1st-Jul-24, 01:13 PM
Kevan,
Chassis has a separate motor pod with a torsion arm at the front and rear coil springs. Pod movement is controlled by a plate keyed to the rear post with grub screw adjustment to the coil springs arm. Motor held by 2 screws at the cog end and a corner bracket at the guide end (guide holder is a press fit and glue to retain) for a total of 7 printed parts. Front axle height adjustable by grub screws, rear is preset by design placement of the bearings.
Early days with the 0.2mm nozzle as it is a bit of a faff to work reliably and so far the best results are from printing small parts i.e. the wire spoke inserts and the headlamps, where as larger parts can lead to print fails as the nozzle clogs up. The wire spoke wheel inserts was a challenge from a fellow club member, and after laughing hysterically at the thought of FDM printing a 5mm dia spoke scaled to 1/32 i.e. @0.16mm dia I thought I would try to see what could be done. From using a 0.4mm nozzle the end result was more like a BBS wire mag, so going down to a 0.2 nozzle allowed for ‘spokes’ at 0.3mm dia and a stand off scale appearance.
These parts were done on a CR10 Mini with the 0.2mm nozzle using Esun ePLA-ST filament, the bodyshell and interior on the P1P using JAMG HE PLA+ with a 0.4mm nozzle.
Cheers
John
Chassis has a separate motor pod with a torsion arm at the front and rear coil springs. Pod movement is controlled by a plate keyed to the rear post with grub screw adjustment to the coil springs arm. Motor held by 2 screws at the cog end and a corner bracket at the guide end (guide holder is a press fit and glue to retain) for a total of 7 printed parts. Front axle height adjustable by grub screws, rear is preset by design placement of the bearings.
Early days with the 0.2mm nozzle as it is a bit of a faff to work reliably and so far the best results are from printing small parts i.e. the wire spoke inserts and the headlamps, where as larger parts can lead to print fails as the nozzle clogs up. The wire spoke wheel inserts was a challenge from a fellow club member, and after laughing hysterically at the thought of FDM printing a 5mm dia spoke scaled to 1/32 i.e. @0.16mm dia I thought I would try to see what could be done. From using a 0.4mm nozzle the end result was more like a BBS wire mag, so going down to a 0.2 nozzle allowed for ‘spokes’ at 0.3mm dia and a stand off scale appearance.
These parts were done on a CR10 Mini with the 0.2mm nozzle using Esun ePLA-ST filament, the bodyshell and interior on the P1P using JAMG HE PLA+ with a 0.4mm nozzle.
Cheers
John
Mr Fit for Function.

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