I have now removed the pricelist as we now have distributors in Europe and America.
European customers can buy from: Arexx Engineering or Conrad.
American customers can now buy from Robot Shop.
So for example I can take a 7.2 Volt power source (NiMH racing pack or similar) with enough voltage for my arduino board and reduce the voltage for the motors only with two diodes and the motor driver?
And for some Sensors I can take the regulated 5V output from the arduino ...
For me this looks like a good plan, any comments?
standard power rectification diodes such as the 1N4001 will handle 1A and drop you voltage by 0.6V
If you need more current then a 1N5400 diode will handle up to 3A.
Could you also give the the dimensions of the mounting holes of the wheels? And if the come with hubs? So that I can check if the wheels fit on my gear motors :)
They have D-shaped shafts, so I hope the fit.
The first wheel listed is designed to fit on a standard servo or a gear. The second is designed to fit on a 2mm dia. shaft. The third is designed to fit Mr. Basic which has a 3mm threaded axle. The fourth wheel is designed for RC cars with a 4mm dia. shaft and a hex nut.
We can supply a brass adaptor for the 4th wheel that allows it to fit a 4mm shaft. If your geared motors D-shaped shaft is 4mm Dia. then this will be a perfect fit.
Although it's not on the pricelist yet we can sell you a set of 2 wheels (65mm dia.) with 2 brass adaptors to suit a 4mm dia. shaft for $6 USD + shipping.
I'm looking for some bigger wheels for the Mr Basic kit, for my MMM bot. I need more ground clearance.
Do you have a recommendation for adapting the 65mm wheel to the Mr Basic shaft?
Yes I can give you some brass sleeves that will fit neatly over Mr. Basics shafts and increase the dia. to 4mm allowing the brass hubs for the 65mm wheel to fit neatly. The problem is you will strip your gears and these big rubber tyre will grip well enough that you wont be able to turn.
I suggest our large Omni wheels with their aluminium hubs. This will allow Mr. Suspense to turn easily and reduce the risk of stripping your gears. You would have to drill and tap a hole for a grub screw in the aluminium hub. Otherwise fill the omni wheel center with polymorph and then drill and tap it.
Ouch, thanks for the tip. Well, I don't think the omnis will give me the grip I want for climbing over rough terrain. I'll stick with the stock Mr Basic wheels for now and see what they can do.
Maybe for my next DAGU order I'll pick up an extra Mr Basic for the spare gears and give the 65mm wheels a go, just to see how it compares. Or I'll hunt around for something in between that won't put my whole gear train at risk.
Thanks a lot for the advice!