Firstly, thanks very much for having me on your great forum.
I am building my first 2DOF race sim. I have found this forum incredibly helpful in answering any qs, so thanks all!
I plan on a joyrider type platform driven by mobility scooter motors and jrks.
I don't have too much info on the motors apart from the following:
20 amp under load
I realize these motors are probably mass overkill, but they are free to me so I'm gonna try and make them work. I have taken them off their original gearboxes because they also had a diff and way too big. I have purchased a MCP2 gearbox (see pic), it matches up pretty well and is 25:1 (not knowing my motor's rpm, annoying . I need to sort out an output shaft for my motor that'll fit the gearbox (pics), any ideas where I might get this online?
I plan to run them at 12v as i really want to use the JRKs 12v12, I know the motors will get a bit hot, do you think there are any other problems in doing this? I could run them at 24v but then I find myself in trouble with power supplies? ( maybe just 2 car batteries in series, no mains power?)
This may all end up being too much work and I'll end up buying some more appropriate hardware, but I kind of like the journey. Does anyone else have any experience with these size motors?
My only other concern is the location of the pivot point. I understand it should be in line with the COG of the driver but I will have my triple monitors also mounted to the platform which will move the balance point forward ( only a problem without driver's weight? ). I would like the platform to balance with and without a driver ( I have a very light GRP seat but I weigh 95kgs). I have read of people using bungees or springs to do this, would this be a good solution?
Also, is there a better point to mount my push rods to increase level of movement(front/back) or is it the same, and more reliant on the height of platform and drive lever length? (don't want to do shoulder mounts I'm afraid).
Sorry for all the questions and general babbling, I've been building up to this for a month or two and it is a bit of a brain dump!