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Derive the z-order of a building blocks placed as a single component based on its child components
This commit is contained in:
Bane Stojkovic
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# Chassis and Enclosures
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Covering the Hammond pedal and amplifier chassis lineup with a `ChassisPanel` datasheet, and
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shipping the common pedal enclosures as exploded five-panel factory building blocks.
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## 1. Current state
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- `ChassisPanel` (`diylc-library`, `org.diylc.components.chassis`) is a two-point
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`AbstractShape` on the `CHASSIS` layer with an `Edge Radius`. One instance is one side of a
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chassis; its `@AiNote` already fixes the exploded-view convention (top in the centre, front
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against its upper edge, back against its lower edge, left and right against the side edges).
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- Four factory variants in `variants.xml` (`125B`, `A`, `B`, `BB`) store nothing but corner points
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and a 5 mm radius. Their sizes are not Hammond's (the `125B` variant is 122.3 x 67.1 mm, the
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1590N1 drawing says 121.2 x 65.5).
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- Factory building blocks (`import-defaults/blocks.xml`, three entries) are imported once, behind
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the boolean `DEFAULT_BLOCKS_IMPORTED_KEY`; blocks added later never reach existing users.
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- Composites take the lowest layer of their children (`ComponentProcessor.getZOrder`), so a
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composite of chassis panels sits on the Chassis layer, under parts placed before it, and
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follows that layer's hide/lock. Done; see §3.1.
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## 2. Design decisions
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| # | Decision | Rationale |
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|---|---|---|
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| D1 | Chassis sizes move to a datasheet, `datasheets/ChassisPanel.datasheet`, two creation steps (Group > Model) | Same mechanism as `DIL_IC` and `Resistor`; the AI can name a model; one row serves every side of the enclosure (D3). |
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| D2 | Row format `Group,Model,Length,Width,Height,Radius`. Sizes in mm unless a unit follows (`8 in`), parsed like `Resistor.parseDatasheetSize` | Pedal drawings are metric, Hammond chassis are nominal inches; writing each in its native unit keeps the file checkable against the drawings. |
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| D3 | `ChassisPanel` gets a `Value` property holding the model, and a new `Side` (`TOP`, `FRONT`, `BACK`, `LEFT`, `RIGHT`). `applyModel` sets `Value` to the model and sizes the panel from the row according to its side: top = Length x Width, front/back = Length x Height, left/right = Width x Height, keeping the first control point. Changing `Side` on a panel that has a model resizes it | One class, no per-side types. `Value` is backed by `AbstractShape.value`, a `String` that every shape already serializes and nothing reads (always `""`), so no new field is needed for it; since `AbstractShape.getValue()` is typed `Void`, the getter is `getModel()` with `@EditableProperty(name = "Value")`. `side` is new and reads `null` from old files: `getSide()` defaults to `TOP`. An empty value means "free-form panel" exactly as today. |
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| D4 | Top panel is drawn landscape, Length along X | Matches the four existing variants and the amp chassis front-panel orientation; pedal builders rotate (the transformer already supports it, and a composite rotates as a unit). |
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| D5 | Length/Width are Hammond's outside dimensions; Height is the drillable wall: box height without the lid for die-cast boxes, outside height for 1441/1444 | The lid of a 1590 is the pedal's bottom, which the exploded view leaves out. |
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| D6 | Die-cast taper is ignored: the top panel uses the outer size at the lid opening and side panels are rectangles | Hammond does not publish the floor size; the walls slope at most 2 deg, so the floor is 0.7-1.9 mm smaller per side. Recorded in §5 as unsourced. |
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| D7 | The four variants are withdrawn as `deletedOn` stubs | The mechanism from the Resistor and DIP migrations (`Template.deletedOn`, `DeletedVariantsTest`). |
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| D8 | Factory blocks get variant-style import tracking: each factory block has `createdOn`/`deletedOn`, the import date is stored under a new key | Mirrors `VariantManager`; lets new factory blocks reach existing users. |
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| D9 | Exploded factory blocks only for the common enclosures: pedals 1590A, 1590B, 125B, 1590BB, 1590XX, 1590DD; amps 1441-10, 1441-18, 1441-28, 1441-32 (§3.4) | The block toolbar is a flat list of buttons; the full lineup stays in the datasheet. |
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| D10 | A composite's z-order is the **minimum** of its children's, computed per instance | A composite occupies one slot in the stack and is drawn as a unit, so it should sit under what is placed on it afterwards. For a chassis block min = max = `CHASSIS`. For a maker board built from a board, pads and silkscreen text, max would be `TEXT` and the board would cover every part placed later; min is `BOARD`, and locking the Board layer locks the whole board. |
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| D11 | Die-cast boxes come from the 1590 and 1550 series only, natural finish only, plus generic sizes such as 125B under `Others`. HWCHAS walnut chassis and rack cases are out of this change | Painted and black versions share the natural part's dimensions, and the shaped 1590 STOMP boxes (TRPB, TRPC, STPC) are sold painted only. The others are listed in §6. |
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| D12 | BOM: one line per enclosure, valued by model. `getValueForDisplay()` returns the model for a `TOP` panel and `null` for any other side; `bomPolicy` stays `SHOW_ONLY_TYPE_NAME` | `BomMaker` keys rows by type + value and skips a `null` value, so an exploded 1590BB reads `Chassis Panel / 1590BB / 1` instead of five panels. Free-form and old-file panels are `TOP` with an empty value and list as they do today. An exploded block placed as a composite lists under its block name, so the block's `CompositeComponent` carries the model as its value too (§3.4). |
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## 3. Implementation
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Step 4 depends on 2 and 3.
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### 3.1 Composite z-order (core) - done
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- `ComponentProcessor.getZOrder(IDIYComponent<?>)`: for a `CompositeComponent`, the minimum over
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its children, recursing into nested composites; a childless composite and any other component
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use the type's z-order. Not cached: a type lookup is a map hit and composites are few.
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- Every class-level layer read goes through it: `Presenter` insertion (`addComponent`,
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`addComponents`), hidden and locked layers, `selectAll(layer)`, send to back / bring to front;
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`GroupAndLockIndex.isLocked`; `ComparatorFactory.getComponentZOrderComparator`; the `[L#]` tag
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in `ExplorerPane`, which now shows composites too.
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- Paint order is the project list order, so existing files render the same; only hide/lock and
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future insertion change. `flexibleZOrder = true` stays.
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- Tests: `CompositeComponentTest` (chassis-only, mixed, nested and childless composites; layer
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lock; comparator) and `PresenterTests.testChassisCompositeIsPlacedUnderExistingComponents`.
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### 3.2 `ChassisPanel` datasheet (library)
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- `enableDatasheet = true, datasheetCreationStepCount = 2, datasheetModelColumn = 1`,
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`implements IDatasheetSupport`, `ChassisPanel(String[] model)` constructor.
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- `getModel()` / `setModel()` over the inherited `value` field as `Value`, and a new serialized
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`side` whose getter tolerates `null` (D3). Override `getValueForDisplay()` for the BOM (D12).
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- `@AiNote`: a datasheet model is a Hammond part number such as 1590BB or 1444-32 and is stored as
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'Value'; it sets the panel size for the panel's `Side`, so set `Side` before or together with
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the model. Only the top panel carries the enclosure into the BOM. "125B" is a generic size
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sold by several makers (about 122 x 66 x 40 mm with the lid, often with thinner walls) and has
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its own row under `Others`; its Hammond equivalent is 1590N1.
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- `ChassisPanel.datasheet` from §4. Rows are listed per group in the order given there.
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- `variants.xml`: `125B`, `A`, `B`, `BB` become `deletedOn` stubs; extend `DeletedVariantsTest`.
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- `ChassisPanelDatasheetTest`, modelled on `ResistorDatasheetTest`: every row parses; each side
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gets the expected size; changing `Side` resizes; a panel from an old file (empty value, null
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side) keeps its geometry; the BOM lists one line per top panel, valued by model, and none for
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side panels.
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- Localization: `Side`, `Top`, `Front`, `Back`, `Left`, `Right` in
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every `lang/` file. Fix the description typo "withouth".
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- Regenerate `catalog_full.json` as the Resistor change did.
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### 3.3 Factory block import tracking (core)
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- New `org.diylc.core.FactoryBlock` (`name`, `createdOn`, `deletedOn`, `components`), the shape of
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`Template`. `blocks.xml` becomes a list of these; the user's `BLOCKS_KEY` map is unchanged.
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- `BuildingBlockManager.importDefaultBlocks` mirrors `VariantManager`: import a block when its
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`createdOn` is after the stored `DEFAULT_BLOCKS_IMPORT_DATE_KEY` and the user has no block of
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that name; remove it when `deletedOn` is after the import date.
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- Migration: the three existing blocks keep `createdOn = null` and are imported only when the
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legacy `DEFAULT_BLOCKS_IMPORTED_KEY` is false (a fresh install), so users who deleted them do not
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get them back.
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- Test alongside the variant import tests: fresh install, upgrade from the boolean flag, new block
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after an import, deleted block, user block with a clashing name.
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### 3.4 Exploded blocks
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- Ten blocks named `Hammond <model> (Exploded)`, or `<model> (Exploded)` for a generic size
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(`125B (Exploded)`): the six pedal enclosures from D9 and four amp chassis, one per size class.
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The amp picks are the steel 1441 sizes amp builders and kit
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suppliers stock (Tube Town, an amp-parts shop, carries 1441-10, -18, -28 and -32); steel over
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the 1444 because builders warn that thin chassis sag under heavy transformers.
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| Class | Typical build | Block | W x D x H | Why this size |
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|---|---|---|---|---|
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| Small | Tweed Champ (5F1) | 1441-10 | 8 x 4 x 2 in | Closest Hammond to the original 5F1 chassis (8-3/4 x 4-1/8 x 2-5/8 in). |
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| Medium | 18 W Marshall (TMB) | 1441-18 | 13.5 x 5 x 2 in | The Hammond size suggested for 18 W builds; dedicated 18 W chassis are similarly long and narrow (17 x 6-1/2 x 2-1/2 in), which fits the in-line tube row. |
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| Larger | 50 W Plexi / JTM45 | 1441-28 | 16 x 8 x 3 in | 16 x 8 x 2-3 in is the size quoted for 50 W Marshall builds; 3 in clears the transformers. |
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| Large | 100 W modern (SLO-style) | 1441-32 | 17 x 10 x 3 in | Largest common format; room for two channels, four power tubes and large iron. |
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- No source names a Hammond for the SLO specifically (the real head is 25 in wide, wider than
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any Hammond chassis); 1441-32 is a size judgement.
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- Each block is five `ChassisPanel`s with `Value` (model) and `Side` set; the block's composite
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value is the model as well, so the BOM line reads `Hammond 1590BB (Exploded) / 1590BB`. With the top at (0,0)-(L,W): front (0,-H)-(L,0), back (0,W)-(L,W+H), left (-H,0)-(0,W),
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right (L,0)-(L+H,W). Edge radius on the top panel only.
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- Generate the XML once from the datasheet rather than by hand, and add a test that every panel of
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every factory chassis block matches its datasheet row and touches its neighbours edge to edge,
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so the two cannot drift.
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### 3.5 Verify
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`mvn -q test` (spans core and library), then offer the regression suite: §3.1 changes hide/lock
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behaviour of existing composites and §3.2 touches serialization.
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## 4. Datasheet rows
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Sources: Hammond per-part drawings, `https://www.hammfg.com/files/parts/pdf/<PART>.pdf`; series
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tables on hammfg.com (1590, 1590-STOMP, 1441, 1444). Die-cast sizes are drawing outside dimensions
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at the lid opening; heights are the box without the 4 mm lid. Chassis sizes are Hammond's nominal
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outside W x D x H. Radius 5 on die-cast boxes is carried over from the old variants, **unverified**
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(§5); sheet-metal chassis are drawn square.
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Die-cast boxes are grouped by series only (1590, 1550), in Hammond's catalogue order, and only
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natural-finish (unpainted) part numbers are rows. Chassis are grouped by family, then height. The
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1590 group has 37 rows; the toolbox already splits a datasheet submenu longer than
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`MAX_MENU_ITEMS` (30) into ranged submenus, so it needs no further split.
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```
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Diecast (1590),1590LLB,50.5,50.5,21,5
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Diecast (1590),1590LB,50.55,50.6,27,5
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Diecast (1590),1590H,53,38,27,5
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Diecast (1590),1590Y,92,92,38,5
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Diecast (1590),1590A,92.6,38.5,27,5
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Diecast (1590),1590G,100,50,21.5,5
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Diecast (1590),1590G2,100,50,27,5
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Diecast (1590),1590S,110.5,82.4,40,5
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Diecast (1590),1590B,112.4,60.5,27,5
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Diecast (1590),1590B2,112.4,60.5,33.5,5
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Diecast (1590),1590BS,112,60.5,38,5
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Diecast (1590),1590B3,116,77,33.5,5
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Diecast (1590),1590BB,119.5,94,30,5
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Diecast (1590),1590BB2,119.5,94,33.75,5
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Diecast (1590),1590BBS,119.5,94,38.1,5
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Diecast (1590),1590Q,120,120,30,5
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Diecast (1590),1590U,120,120,55,5
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Diecast (1590),1590V,120,120,90,5
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Diecast (1590),1590C,119.5,94,52.5,5
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Diecast (1590),1590T,120,80,55,5
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Diecast (1590),1590CE,120,100,61,5
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Diecast (1590),1590N1,121.2,65.5,35.8,5
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Diecast (1590),1590KK,125,125,53,5
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Diecast (1590),1590K,125,125,75,5
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Diecast (1590),1590J,145,95,45.1,5
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Diecast (1590),1590XX,145.2,121.2,35.2,5
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Diecast (1590),1590X,145.2,121.2,52.3,5
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Diecast (1590),1590P1,153,83.1,46.4,5
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Diecast (1590),1590D,187.75,119.5,52,5
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Diecast (1590),1590DD,188,120,33,5
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Diecast (1590),1590E,188,120,78,5
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Diecast (1590),1590F,188,188,63,5
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Diecast (1590),1590R1,192,112,57,5
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Diecast (1590),1590DE,200,120,60,5
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Diecast (1590),1590EE,200,120,81,5
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Diecast (1590),1590BX2,254,70,31,5
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Diecast (1590),1590BX,254,70,46,5
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Diecast (1550),1550Q,60,55,26,5
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Diecast (1550),1550P,80,55,21,5
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Diecast (1550),1550A,89,35,26,5
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Diecast (1550),1550B,114.5,64,26,5
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Diecast (1550),1550D,115,64,51,5
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Diecast (1550),1550C,115,90,51,5
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Diecast (1550),1550M,120,100,31,5
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Diecast (1550),1550K,140,102,73,5
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Diecast (1550),1550L,165,127,73,5
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Diecast (1550),1550E,171,121,51,5
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Diecast (1550),1550F,171,121,101,5
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Diecast (1550),1550G,222,146,51,5
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Diecast (1550),1550H,222,146,101,5
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Diecast (1550),1550N,250,250,97,5
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Diecast (1550),1550J,275,175,63,5
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Others,125B,122,66,36,5
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Chassis - Steel (1441),1441-9,8 in,4 in,1 in,0
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Chassis - Steel (1441),1441-15,10 in,6 in,1 in,0
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Chassis - Steel (1441),1441-6,4 in,4 in,2 in,0
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Chassis - Steel (1441),1441-8,6 in,4 in,2 in,0
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Chassis - Steel (1441),1441-12,7 in,5 in,2 in,0
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Chassis - Steel (1441),1441-10,8 in,4 in,2 in,0
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Chassis - Steel (1441),1441-14,9 in,5 in,2 in,0
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Chassis - Steel (1441),1441-16,10 in,6 in,2 in,0
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Chassis - Steel (1441),1441-22,12 in,8 in,2 in,0
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Chassis - Steel (1441),1441-29,12 in,10 in,2 in,0
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Chassis - Steel (1441),1441-18,13.5 in,5 in,2 in,0
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Chassis - Steel (1441),1441-26,16 in,8 in,2 in,0
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Chassis - Steel (1441),1441-30,17 in,10 in,2 in,0
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Chassis - Steel (1441),1441-34,17 in,12 in,2 in,0
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Chassis - Steel (1441),1441-24,12 in,8 in,3 in,0
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Chassis - Steel (1441),1441-28,16 in,8 in,3 in,0
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Chassis - Steel (1441),1441-20,17 in,4 in,3 in,0
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Chassis - Steel (1441),1441-32,17 in,10 in,3 in,0
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Chassis - Steel (1441),1441-36,17 in,12 in,3 in,0
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Chassis - Steel (1441),1441-38,17 in,14 in,3 in,0
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Chassis - Steel (1441),1441-33,17 in,10 in,4 in,0
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Chassis - Steel (1441),1441-40,17 in,14 in,4 in,0
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Chassis - Steel (1441),1441-42,17 in,14 in,5 in,0
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Chassis - Aluminium (1444) 1-2 in,1444-45351,4.5 in,3.5 in,1 in,0
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Chassis - Aluminium (1444) 1-2 in,1444-9,8 in,4 in,1 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-15,10 in,6 in,1 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-6415,6 in,4 in,1.5 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-84515,8 in,4.5 in,1.5 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-6,4 in,4 in,2 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-542,5 in,4 in,2 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-8,6 in,4 in,2 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-12,7 in,5 in,2 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-772,7 in,7 in,2 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-10,8 in,4 in,2 in,0
|
||||
Chassis - Aluminium (1444) 1-2 in,1444-862,8 in,6 in,2 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-14,9 in,5 in,2 in,0
|
||||
Chassis - Aluminium (1444) 1-2 in,1444-972,9 in,7 in,2 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-9552,9.5 in,5 in,2 in,0
|
||||
Chassis - Aluminium (1444) 1-2 in,1444-16,10 in,6 in,2 in,0
|
||||
Chassis - Aluminium (1444) 1-2 in,1444-1172,11 in,7 in,2 in,0
|
||||
Chassis - Aluminium (1444) 1-2 in,1444-22,12 in,8 in,2 in,0
|
||||
Chassis - Aluminium (1444) 1-2 in,1444-29,12 in,10 in,2 in,0
|
||||
Chassis - Aluminium (1444) 1-2 in,1444-1372,13 in,7 in,2 in,0
|
||||
Chassis - Aluminium (1444) 1-2 in,1444-18,13.5 in,5 in,2 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-26,16 in,8 in,2 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-30,17 in,10 in,2 in,0
|
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Chassis - Aluminium (1444) 1-2 in,1444-17132,17 in,13 in,2 in,0
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Chassis - Aluminium (1444) 2.5-3 in,1444-95525,9.5 in,5 in,2.5 in,0
|
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Chassis - Aluminium (1444) 2.5-3 in,1444-10825,10 in,8 in,2.5 in,0
|
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Chassis - Aluminium (1444) 2.5-3 in,1444-12825,12 in,8 in,2.5 in,0
|
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Chassis - Aluminium (1444) 2.5-3 in,1444-643,6 in,4 in,3 in,0
|
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Chassis - Aluminium (1444) 2.5-3 in,1444-753,7 in,5 in,3 in,0
|
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Chassis - Aluminium (1444) 2.5-3 in,1444-9553,9.5 in,5 in,3 in,0
|
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Chassis - Aluminium (1444) 2.5-3 in,1444-1053,10 in,5 in,3 in,0
|
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Chassis - Aluminium (1444) 2.5-3 in,1444-1273,12 in,7 in,3 in,0
|
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Chassis - Aluminium (1444) 2.5-3 in,1444-24,12 in,8 in,3 in,0
|
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Chassis - Aluminium (1444) 2.5-3 in,1444-12103,12 in,10 in,3 in,0
|
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Chassis - Aluminium (1444) 2.5-3 in,1444-12123,12 in,12 in,3 in,0
|
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Chassis - Aluminium (1444) 2.5-3 in,1444-1463,14 in,6 in,3 in,0
|
||||
Chassis - Aluminium (1444) 2.5-3 in,1444-14103,14 in,10 in,3 in,0
|
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Chassis - Aluminium (1444) 2.5-3 in,1444-1573,15 in,7 in,3 in,0
|
||||
Chassis - Aluminium (1444) 2.5-3 in,1444-1593,15 in,9 in,3 in,0
|
||||
Chassis - Aluminium (1444) 2.5-3 in,1444-28,16 in,8 in,3 in,0
|
||||
Chassis - Aluminium (1444) 2.5-3 in,1444-20,17 in,4 in,3 in,0
|
||||
Chassis - Aluminium (1444) 2.5-3 in,1444-1763,17 in,6 in,3 in,0
|
||||
Chassis - Aluminium (1444) 2.5-3 in,1444-1773,17 in,7 in,3 in,0
|
||||
Chassis - Aluminium (1444) 2.5-3 in,1444-1783,17 in,8 in,3 in,0
|
||||
Chassis - Aluminium (1444) 2.5-3 in,1444-32,17 in,10 in,3 in,0
|
||||
Chassis - Aluminium (1444) 2.5-3 in,1444-17123,17 in,12 in,3 in,0
|
||||
Chassis - Aluminium (1444) 2.5-3 in,1444-17133,17 in,13 in,3 in,0
|
||||
Chassis - Aluminium (1444) 2.5-3 in,1444-17143,17 in,14 in,3 in,0
|
||||
Chassis - Aluminium (1444) 2.5-3 in,1444-17173,17 in,17 in,3 in,0
|
||||
Chassis - Aluminium (1444) 4-6 in,1444-33,17 in,10 in,4 in,0
|
||||
Chassis - Aluminium (1444) 4-6 in,1444-17134,17 in,13 in,4 in,0
|
||||
Chassis - Aluminium (1444) 4-6 in,1444-17154,17 in,15 in,4 in,0
|
||||
Chassis - Aluminium (1444) 4-6 in,1444-17174,17 in,17 in,4 in,0
|
||||
Chassis - Aluminium (1444) 4-6 in,1444-17105,17 in,10 in,5 in,0
|
||||
Chassis - Aluminium (1444) 4-6 in,1444-17135,17 in,13 in,5 in,0
|
||||
Chassis - Aluminium (1444) 4-6 in,1444-17156,17 in,15 in,6 in,0
|
||||
```
|
||||
|
||||
Group sizes: 37 (1590), 15 (1550), 1 (Others); 23 / 24 / 25 / 7 chassis (132 rows). `Others`
|
||||
holds generic sizes sold by several makers under one name, currently only 125B (122 x 66 x 40 mm
|
||||
with the backplate, per a maker's listing). The 1590 rows already in the research were read from the per-part drawings; 1590H, U,
|
||||
V, CE, KK, K, E, F, R1, DE, EE, BX2 and BX, and all 1550 rows except 1550B, come from Hammond's
|
||||
series tables (whole mm, lid included).
|
||||
Finish and option suffixes are not rows: `BK3` (black 1441), `BK` (black 1550), colour codes on
|
||||
1590 (`RD`, `CB`, ...), `W` prefix (watertight; IP66/IP67 gaskets on the 1550), `F`/`FL`
|
||||
(flanged), `CWW` (walnut sides on sizes 12/16/22/24/32/33, which shorten the usable front, back and
|
||||
top by about 22 mm).
|
||||
|
||||
## 5. Unsourced or conflicting figures
|
||||
|
||||
| Item | Status |
|
||||
|---|---|
|
||||
| Die-cast corner radius (top view) and top-to-side edge fillet | Not published; 5 mm is the old variants' figure. Measure from Hammond STEP models or a box. |
|
||||
| Die-cast floor size (pedal top face) | Not published; between the outer size and outer minus 2 x (box height x tan 2 deg). |
|
||||
| 1590DD box height | Drawing gives 37.00 both overall and box; 33 assumes the usual 4 mm lid. |
|
||||
| 1590D box height | ~52, same assumption. |
|
||||
| Box heights of the table-only 1590 rows (H, U, V, CE, KK, K, E, F, R1, DE, EE, BX2, BX) | Table height minus the 4 mm lid; length and width are the table's rounded figures. Read the drawings to firm them up. |
|
||||
| 125B box height | 40 mm with the backplate minus an assumed 4 mm backplate (the 1590 lid); makers do not state the plate thickness. |
|
||||
| 1550 box heights (all but 1550B) | Series table height (lid included) minus 4 mm, the overall-to-box difference on the 1550B drawing (30.10 / 26.00). |
|
||||
| 1590BS / 1590B2 height | Web table 38 for both; drawings 42.00 overall / 38.00 box and 37.50 overall. Drawings used. |
|
||||
| 1444-10/-12/-14 height | Drawings say 49.78 mm; catalogue and inner height fit 50.80 (2 in). 2 in used. |
|
||||
| 1441-42 sheet | Drawing 0.057", product page 18 ga. Irrelevant to the outline. |
|
||||
|
||||
## 6. Later
|
||||
|
||||
- HWCHAS walnut-frame chassis (HWCHAS1310 / 1710; aluminium top 298.45 x 222.25 / 400.05 x
|
||||
222.25 mm on a 19.05 mm walnut frame): a different construction from the folded sheet metal.
|
||||
- Hammond rack cases (RM, RMCS) and the 1458 instrument enclosure.
|
||||
Reference in New Issue
Block a user