Outside framed motor blocks for 45mm gauge

[ge_rik]

In addition to the .stl files you will need:

For the V1 motor block:

• 4 x M3 square s/s washers (from eBay)
• 4 x 6mm M3 s/s grub-screws (from eBay)
• 2 x 4mm dia s/s shafts (from MFA Como
• 2 x 4mm bore bevel gears (from MFA Como)
• 1 v 918D301/1 gearbox motor (from MFA Como)
• 4 x 4mm brass bearings (from Essel Engineering - email and ask for a special order)
• 2 x 4mm bore 16 tooth timing belt pulley (from eBay)
• 1 x T2.5-180-10 10mm wide 180 length looped timing pulley (from eBay)

Optional

• 4 x 30mm dia wheels with 4mm bore (from Essel Engineering - email and ask for a special order

Motor block v1.zip

(103.39 KiB) Downloaded 52 times

S1830004.JPG (2.45 MiB) Viewed 1300 times

(NOTE: If you don't want to use the timing belt, then you could use the fly-cranks and coupling rods from the V2 motor block)

For the V2 motor block:

• 8 x M3 square s/s washers (from eBay)
• 8 x 6mm M3 s/s grub-screws (from eBay)
• 2 x 4mm dia s/s shafts (from MFA Como
• 2 x 6mm bore bevel gears (from Amazon)
• 1 v 919D301LN gearbox motor (from MFA Como)
• 4 x 4mm brass bearings (from Essel Engineering - email and ask for a special order)

Optional

• 4 x 30mm dia wheels with 4mm bore (from Essel Engineering - email and ask for a special order

Motor block v2.zip

(301.45 KiB) Downloaded 51 times

S1830002.JPG (2.51 MiB) Viewed 1303 times

(NOTE: I used a 50:1 gearbox motor but it was too slow - 30:1 is better)

- Rik Bennett, licensed under CC-BY-NC-SA 4.0

CC - Creative Commons
BY - Attribution, i.e. you must identify me as the author of the work if you share it
NC - Non-commercial, i.e. you cannot sell it or make profit from it
SA - Share-alike, i.e. you are allowed to create derivative works (let's say you improve the STL file by adding some rivets) as long as you share it under the same licence.

[ge_rik]

Here's examples of the additional items I got from eBay

Screenshot_2023-12-15-18-16-12-255.jpg (282.42 KiB) Viewed 1292 times

Screenshot_2023-12-15-18-14-55-983.jpg (246.04 KiB) Viewed 1292 times

Here are the 6mm bore bevel gears from Aamazon

Screenshot_2023-12-15-18-19-35-303.jpg (307.06 KiB) Viewed 1292 times

[ge_rik]

Here are the additional items from MFA Como

Screenshot_2023-12-15-18-23-07-255.jpg (20.1 KiB) Viewed 1290 times

Screenshot_2023-12-15-18-22-08-843.jpg (27.16 KiB) Viewed 1290 times

[ge_rik]

And here are the bushes from Essel (make sure you ask for 4mm bore - they are not listed but Stephen will make them as a special order)

Screenshot_2023-12-15-18-27-53-918.jpg (217.09 KiB) Viewed 1288 times

[ge_rik]

And here's the timing belt and pulleys from eBay

timing belt.jpg (218.8 KiB) Viewed 1287 times

timing pulley.jpg (292.98 KiB) Viewed 1287 times

[-steves-]

Very useful post Rik, many thanks