Mars Snooper Build Part 2 Engine Mount Prep

I've brought this up before.
The end edges of the TA-2050 coupler are cut at a slight angle.
You can see the gap between the coupler and 2050 ring.
With 220 on a block, sand the coupler edge flat.





After sanding, here's the improved fit of the 2050 ring on the flatter edge of the coupler.
You'll just have a slightly wider and better gluing surface.





The original kit had a EB-20A engine block.
These were thinner, lighter black fish paper blocks like a smaller version of the black adapter above.

I didn't have one so I took a newer blue engine block and removed some paper wraps from the inside.