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Frame for the 2 in tri-clamp elbow diaphragm alpha

What holds the tri-clamp elbow diaphragm alpha together? · Hardware · basis: Positions from the engine layout (tools/gen_diaphragm.py alpha_layout); the feet seats are cut by the fittings' own outer surfaces

Long Earth Society build part. The frame of my elbow diaphragm alpha. The engines

Exact dimensions. Every file is drawn at true size with no printing tolerance. The holes and pins that meet another part are listed below under Mating features, with the fit each joint needs; open those by your printer's or process's clearance before making the part. Mating features

sizes
3 in table

Notes

  • One piece: a base plate, a foot under the elbow (its seat is the elbow's outer surface) that carries the cold leg, a foot under the capped run of the hot tee, and a diagonal strut from the base up to a bearing block with two 625 pockets at the crank.
  • The strut runs 40–56 mm behind the plane of the legs, clear of every clamp and of the flywheel.

Sizes

featurevalue
base430 × 130 × 8
crank above elbow centre257.4, 257.4
bearings2 × 625

Mating features

Drawn at the exact size. Open press, slide, run and socket features by your process's clearance; leave designed gaps and clamp fits as drawn.

featureexactmates withfitfiles
bearing pocketsØ16 × 5625 bearingpressalpha-frame-*
shaft passageØ11.2Ø5 crankshaft (no contact)designedalpha-frame-*
foot seatsØ50.8 (tube OD), elbow outer surface2 in elbow and teedesignedalpha-frame-*
torch-stand holesØ4.5M4 clearance (ISO 273 medium)designedalpha-frame-*

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

ISOISO 273 clearance holes for bolts and screws (fine / medium / coarse)standarddimensions are facts verify
Long Earth SocietyEngine buildsweb, videoLES site

Free files

★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json

alpha-frame-2inframe for the 2 in elbow diaphragm alpha: base 430 × 130 × 8, feet under the elbow and the hot tee, diagonal strut to a bearing block with two 625 pockets at the crank (257.4, 257.4) from the elbow centreSTEP · STL

Plain text: sheet.txt · JSON: /api/geometry?object=tri-clamp-diaphragm-alpha-frame

Frame for the 2 in tri-clamp elbow diaphragm alpha, isometric render of a generated part
Render of alpha-frame-2in from the free STEP; not to scale.

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Questions

What does the frame carry?

Both legs (two feet), the crankshaft bearings (strut block) and the torch stand (two M4 holes).