3/8 scale. Following ian beattie's drawing's in Railway Modeller magazine July 1990.
exploded view of chassis.
Chain guard updated
Rear steps orientation corrected
Chain guard updated
Rear steps orientation corrected
Exploded view of body
Documents
Document
General description. I've added set screws to the list of screws and an addendum with a note of reprinting the cranks in ABS in stead of PLA..
Models
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a small fixture to hold crank for drilling and tapping.
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These locate to the frame by the bearing, rotate to square with the frame and glue in place.
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align and glue to 08.3b
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Glue to 08.4a. Tap the 2 side holes 2-56
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Align and glue to 08.4b.
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glue to 08.4a. Tap the 2 side holes 2-56
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Buffer Head. May need to be fitted. Tap 2-56. I re-purposed springs from ball point pens.
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Tap the 2 end holes 2-56
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Looks better with .2 mm nozzle
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Both sides alike. Tap the hole 2-56
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Also print a mirror image for the left side. Tap the hole 2-56
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Also print a mirror image for the left side. The longest part 239 mm. Should print rotated diagonally on a 220 x 220 table.
Updated 19 Jan 21. Holes for guard irons added.
Updated 19 Jan 21. Holes for guard irons added.
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also Print a mirror image for the left side. Tap the 1 large hole hole 2-56. the 4 little holes are for hand rails.
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you'll most likely have to ream the center hole to size for the axle shaft(1/8"). The little hole on the back side is for a small bit of filament to engage with the one in the printed axle. This quarters the left and right wheel weights.
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You may have to drill out the hole for the axle shaft and the quartering holes for the filament. Tap the small hole 2-56 for set screw.
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This is a shortened axle to accommodate the 16T sprocket. Tap the little hole 2-56 for ta set screw
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A small spacer to finish the to 40mm. little co'bore side to face the sprocket.
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You may have to size the holes. Tap the crank pin hole 2-56 and the set screw 2-56.
I think this part is best printed in ABS.
I think this part is best printed in ABS.
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also print a mirror image for the left side. If you printed the frames on a diagonal, do these too.
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Tap the 2 side holes 2-56
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Tap the 2 side holes 2-56
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Both sides are alike
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Tap 3 holes 2-26
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Tap the 2 holes 2-56
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Tap 4 holes 2-56
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Tap 1 hole 2-56
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Also print the mirror image for the left side.
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I've changed the roof .5mm thickness to 1mm.
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Tap 3 holes 3-56. Also print the mirror image for the left side
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Optional top for the engine compartment. It combines 3 top pieces into one.
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Print 2. These will hold the tops of the sides if one were to pick up the engine with one hand.
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I've added material to strengthen the arch
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Drill jigs for guard irons. if you've already printed the older frames, you can spot and drill the holes in the frames with these. Spot holes with a 1mm drill, drill through, then open to size. If assembled you'll have to temporally remove the steps.
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Guard iron for left front and right rear. Print mirror image for other two.
Tap the holes 0-80 or 10 BA.
Tap the holes 0-80 or 10 BA.
Folders
Folder
Title
08 Printed Gear Drive .STLs
Notes
Printed gears and parts for 2 diferent Uxcel Motors.
1, Uxcel motor with open gearbox same as used with chain drive.
2, Uxcel motor with Dust Proof gearbox( round).
Also Milling or filing fixture to machine flats set screw.
Folders
Folder
Title
Gear drive common to both motors .stl
Images
Axle shown with fixture to mill flats.
Models
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Fixture to mill or file flats for set screws. Crank, two outer most. Spacer and 20t gear for the inward two.
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Design by Tref Waldor
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Design by Tref Waldor
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Folder
Title
Uxcel motor .stl
Images
Exploded view of Chassis with Uxcel motor drive.
Exploded view of Uxcel motor drive.
Models
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3D Model
3D Model
Folder
Title
Uxcel motor-Dust Proof motor .stl
Images
Exploded view of chassis with Uxcel dust proof drive.
Exploded view of Uxcel motor(Dust proof) drive
Models
Reviews/Comments (subject to moderation)