Ooops, I put the wrong ratio on the last post. actually meant 25:1, oh well, found 26:1 gearbox and a good Graupner 600 motor, put them together to see what sort of performance they could deliver.
I borrowed a Tachometer to do some comparisons.
As it turns out it's not too bad, Both motor and gearboxes were tested with freshly charged 7.2 volt battery packs.
The 12:1 ratio Armotek motor & gearbox output is around 950 RPM on the output shaft and the 26:1 with the Graupner 600 motor & gearbox provided a reasonable 730 RPM on the output shaft.
I'm guessing the torque will be some what more with the 26:1 gearbox with a loss of around 20% top end speed. Originally I thought top end speed would be a important factor but having control over the speed has to me become a more apparent.
Torque will be handy for slow running and gradients. The 26:1 gearbox is noisier than the 12:1 gearbox, the down side of the higher revving 7.2 volt 600 motor.
The other problem I found was that run times are short, even with the lower wattage 600 motor. So I'll have to invest invest in a pretty high capacity battery pack/packs. But they should be easy to recharge and replace in the hamper box on the rear.
It'll be interesting to see if/how the substitute motor and gearbox performs, fortunately it's a straight swop. It's nice to have options and No chainsaw required.
Still loving the Twin drive builds, Surprised to see no ones bunged in a Enya 19 or a Veco 19 IC motor in the UC yet!
That'll wake the neighbors!
Even just battery powered, Armortek meets might resemble race days, hoards of em, each UC tuned to perfection. Battery chargers humming in the background. Dodging the big boys like a steering competition
![Laughing :lol:](./images/smilies/icon_lol.gif)