G3 Sentinel Y3

Submitted by Peter Davis on
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Enlarged version of my G1 Sentinel.

The largest piece is the body at 224.1mm long.  My Elegoo Neptune pro printer has a table that will accommodate this.

May 24           Source for Delrin sprockets and chain in UK, suggested by Robert SP (thank you Robert):

KARLGARIN MODELS January 2019
Warren Farm, Little Baddow, Chelmsford, Essex CM3 4TQ
Tel: (0)1245 226110 E-mail: skippy@karlgarin.com

9/Feb/24 Updated: G3-22.0 Handrail 1.stl    Shortening height form 5mm to 3mm.

9/Feb/24 Updated: G3-08 FRAMES L&R.stl  Adding Rear step.

11/Feb/24     Note:  For the sprocket set screws, Drill Jig, tap guide and M2 tap wrench STLs can be found with the G1 version Sentinel.

15/Feb/24      Replaced "G3-01 footplate HALF-F.stl" with corrected one.

22/Feb/24       I found Flats need to be filed on the Jack Shaft and the Axle Shafts for the Sprocket set screw to seat.

Details
Model prototype
Steam » Locomotive
Region/Company
LNER
Era start year
1925
Era end year
1950
Model power
Battery
Model Status
Concept
License
Creative Common Attribution-NonCommercial-ShareAlike CC BY-NC-SA
Documents
Models
3D Model
G3-01 footplate HALF-F_0.stl
M2 tap two side frame mount holes and three holes for the boiler.
3D Model
Rear Footplate.
M2 tap two side frame mount holes.
3D Model
Buffer Beam
M2 tap two side four side holes.
3D Model
Buffer
Press fit into Buffer Beam.
3D Model
Hook
3D Model
Hook spring.
3D Model
Hook Links
3D Model
Guard Irons.
3D Model
Frames L & R
Step added on rear end
3D Model
Sand Boxes
Mount into recess on frame. Will be held in place by the footplate.
3D Model
Body
M2 Tap 4 mounting holes on bottom and two holes in the tender.
3D Model
G3-13 Sntl ROOF.stl
Roof
3D Model
Water tank
3D Model
Ladder
3D Model
N-20 Motor Housing
M2 Tap motor clamping hole.
3D Model
Boiler
3D Model
Two-piece Axle sleeve.
These plus a sprocket equals 58mm back to back.
3D Model
Knob for speed control
M2 tap hole for set screw.
3D Model
Wheel
3D Model
Battery seat
M2 tap two holes from bottom
3D Model
Handrail
Fit with 5mm lengths of 3/64" rod and glue in place.
3D Model
Optional water tank
3D Model
Optional one-piece Axle 58mm

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