RE: Motor mounting

["Steve Tyng" <stevet-at-stcharlesmd.com>]

Francisco Arias wrote:

> Hi just got my internet working and I have a question, I am
> doing a 7.5cm Pak40/4 auf Raupemsclepper Ost (Sf) (I was
> originally going to build a FCM 36) powered by kidcar motors
> with no gears reduction, directly attached to the drive
> sprocket(remember K.I.S.S.) how has every one else hooked
> their motors up in this case like in the early T001 Tiger and
> T016 Pershing?

The two operational vehicles using the KCM's use two different methods for wheel 
attachment.

On the U.N. car the wheels are attached to the KCM's using a short piece of rubber 
hose that is slipped over the KCM and the wheel.  Hose clamps keep everything 
together.  I think the hose used came from a plumbing fitting.

On the GOER, a circular internally ribbed adapter designed for the KCM is attached 
to the wheel.  The ribs on the adapter fit into the slots on the KCM output shaft.  
The adapter is available from the KCM supplier.  (Insider Tip: Do not rigidly attach 
the adapter to the wheel.  It needs to float somewhat to compensate for any axial 
misalignment between the adapter and the KCM.  On the GOER this was done by drilling 
oversize mounting holes in the adapter and not tightening the mounting screws fully.)

In both cases the wheel shafts go through the KCM's and are rigidly mounted to the 
chassis.  The wheels rotate on the shaft.  The KCM's "float" on the shafts and are 
kept from rotating by a loose attachment of some kind to the chassis.


    Steve Tyng