M33 Prime Mover – sometimes less Lee/Grant is more...
Posted: Sat Nov 29, 2025 11:55 am
Continuing with the series, what on earth am I going to do with my Sherman chassis...
After the M3A4 Lee ‘Goldbricker’, it seemed obvious to streamline the existing data and turn it into an M33 Prime Mover... at least that was the idea.
If it weren't for the fact that the Prime Mover is based on the Lee M3 – meaning it has a different chassis and rear end, and the body is different too.
The model...
The upper hull had to become Lee M3, and in the end I could only use the front part of the upper hull.
Everything else was redrawn:
First, the challenge with the chassis = different bogie - must be solved.
Now for my solution:
I would like to reuse as many parts of the bogie as possible.
Here is an overview of the dismantled HL bogie: The challenge is to integrate the spring...
I have redesigned the boogie housing and the support roller: The support roller sits 1.5 mm higher than it would be in reality, which is due to the spring that limits the space at the top.
The first boogie is out of the printer and assembled:
Looks quite usable.
Comparison of the two types of boogies on the hull: Stay tuned...
After the M3A4 Lee ‘Goldbricker’, it seemed obvious to streamline the existing data and turn it into an M33 Prime Mover... at least that was the idea.
If it weren't for the fact that the Prime Mover is based on the Lee M3 – meaning it has a different chassis and rear end, and the body is different too.
The model...
The upper hull had to become Lee M3, and in the end I could only use the front part of the upper hull.
Everything else was redrawn:
First, the challenge with the chassis = different bogie - must be solved.
Now for my solution:
I would like to reuse as many parts of the bogie as possible.
Here is an overview of the dismantled HL bogie: The challenge is to integrate the spring...
I have redesigned the boogie housing and the support roller: The support roller sits 1.5 mm higher than it would be in reality, which is due to the spring that limits the space at the top.
The first boogie is out of the printer and assembled:
Looks quite usable.
Comparison of the two types of boogies on the hull: Stay tuned...