dogman dan
1 PW
First off, a correction, I misstated ah used in a previous post. Both heats, used about the same, 2.8 AH used on the CA. and nearly 4 ah for similar laps in practice. The issue is not can you make 12 laps on 10 ah. You can. But you will slow down at the last lap. So more ah will help with that. Or more volts.
I think I calculated right, and have 28 wh/mile on the track. Sounds about right to me, between 25 and 50 wh/mi for racing. Again the interesting thing was in the race, I cornered much much faster, and got much better mileage. Less used to speed back up if you're flying around the corners at 30 mph.
Same toolbox, and same ping in that demo bike.( the mongoose) The racing bike I built aluminum and wood boxes to attach to the frame.
I was really interested in trying a bit more power on that track with front hub. It did feel soooo good at 1200 watts. In test rides at home, I never had any issues with it at 72v nominal pulling about 2800 peak watts. So I upped the ante with another controller, and put 90v on it. 24s lipo, and able to see 3400 watts on the cycleanalyst. Still no problems really.
Well some,,, see the build thread to see how I made the torque arms strong enough. And hell yeah the front tire spins from a dead stop all the time. No big deal, after you hit 5 mph it stops spinning and you fly away. See the you tube vid in the race videos thread. In the main, with 100v, I blow their wheels off in the first 200' while you hear thier clutches slipping.
There is a limit though. I learned in the practice laps not to apply the throttle too early in the corners. At 28mph or so in one of the tighter hairpins, I get about 2000 watts if I hit full throttle. Did it too soon and started drifting the front wheel. Not good, as I expected. Deep in the lean I was a gonner, but a swift kick set me back upright, and mercifully I had enough pavement left to stay on the track. I think with practice, and better brakes I could learn to drift a corner with front hub on pavement. You'd simply have to rear brake hard enough to break out that wheel first. Then start countersteering , and with the bike leaned, but the front wheel still fairly straight up, you could then apply all the power you want. I've done a bit of drifting so it's not that bad. It does work, I assure you, I've done front hub drifting in sand plenty. It works fine as long as you've got that rear wheel swung around first. Once you are countersteering a whole new world opens up. I didn't do any countersteering on the track though, never had the rear wheel break out on its own, and the rim brakes couldn't make it happen.
But as the ante increases, I can see a rear hub race bike real soon. If nothing else, so I can make cool drift vids once I get the hang of the skinny tire breaking out again. When I learned to rear wheel drift, it was on shiny sidwalks on a ten speed.
I think I calculated right, and have 28 wh/mile on the track. Sounds about right to me, between 25 and 50 wh/mi for racing. Again the interesting thing was in the race, I cornered much much faster, and got much better mileage. Less used to speed back up if you're flying around the corners at 30 mph.
Same toolbox, and same ping in that demo bike.( the mongoose) The racing bike I built aluminum and wood boxes to attach to the frame.
I was really interested in trying a bit more power on that track with front hub. It did feel soooo good at 1200 watts. In test rides at home, I never had any issues with it at 72v nominal pulling about 2800 peak watts. So I upped the ante with another controller, and put 90v on it. 24s lipo, and able to see 3400 watts on the cycleanalyst. Still no problems really.
Well some,,, see the build thread to see how I made the torque arms strong enough. And hell yeah the front tire spins from a dead stop all the time. No big deal, after you hit 5 mph it stops spinning and you fly away. See the you tube vid in the race videos thread. In the main, with 100v, I blow their wheels off in the first 200' while you hear thier clutches slipping.
There is a limit though. I learned in the practice laps not to apply the throttle too early in the corners. At 28mph or so in one of the tighter hairpins, I get about 2000 watts if I hit full throttle. Did it too soon and started drifting the front wheel. Not good, as I expected. Deep in the lean I was a gonner, but a swift kick set me back upright, and mercifully I had enough pavement left to stay on the track. I think with practice, and better brakes I could learn to drift a corner with front hub on pavement. You'd simply have to rear brake hard enough to break out that wheel first. Then start countersteering , and with the bike leaned, but the front wheel still fairly straight up, you could then apply all the power you want. I've done a bit of drifting so it's not that bad. It does work, I assure you, I've done front hub drifting in sand plenty. It works fine as long as you've got that rear wheel swung around first. Once you are countersteering a whole new world opens up. I didn't do any countersteering on the track though, never had the rear wheel break out on its own, and the rim brakes couldn't make it happen.
But as the ante increases, I can see a rear hub race bike real soon. If nothing else, so I can make cool drift vids once I get the hang of the skinny tire breaking out again. When I learned to rear wheel drift, it was on shiny sidwalks on a ten speed.
:lol: 
