So what is the shaft RPM of those motors then? and what is the gearing. Reason I ask is that I would like to get a bit more speed out of my Tiger but my wheelchair motors at 24v only give me about 110RPM They are all torque though so I may be able to gear them up a bit.
On Mar 2, 5:58 pm, George Mastoras <[email protected]> wrote: > The wheel rpm is about 400 - 450 in theory. > I worked out the speed by counting the track rotations from the video. > > Here is the maths I used > > 1.5 meters track length > 54 turns per minute > 54 x 1.5 = 81 meters per minute > 6o minutes p hour 81 x 60 = 4.860 KPH > > under load 51 turns 76.5 > 76.5 x 60 = 4.59 KPH > > Trying to work out what speed it needs to run to look scale. > 72kph at 1/10th scale is I think 7.2kph?? Maybe. If that's the case I am too > slow but somethings out somewhere I think. > > George > > On 3/3/09 12:28 PM, "Tango71" <[email protected]> wrote: > > > > > Got a question. What is the total wheel RPM at full speed? That looked > > a lot faster than 5kph. > > > On Mar 2, 8:07 am, George Mastoras <[email protected]> wrote: > >> Finished the final 8 wheels yesterday. In the evening decided as a break > >> from the extreme boredom of grinding down plastic wheels to give it a run > >> for a few minutes with freshly charged batteries. At the last minute > >> grabbed > >> the video camera. > > >> I was only going to let it run but as I saw a nut fall off the wheel I > >> decided to push down onto it and test other things as well. > >> From doing this video have learnt that it will do 5KPH without slowing down > >> much, probably over most terrain and angles. I was putting a bit of force > >> on > >> and only one side was being tested at a time. > > >> This was only going to be seen by me so a few bad habits being shown, > >> sticking motor wires into battery connectors while holding onto a vehicle > >> probably isn¹t a good practice. > > >> George > > >>http://www.youtube.com/watch?v=bksbHnxaARA&feature=channel_page > > --~--~---------~--~----~------------~-------~--~----~ You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat -~----------~----~----~----~------~----~------~--~---
