Author Topic: Empulse RR next level up?  (Read 1442 times)

05Sultan

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Empulse RR next level up?
« on: April 28, 2011, 05:22:20 AM »
Well! After looking at the pics and videos of the RR in action, it looks to me like it's a level up from the Empulse 10. Fairing, Brembo system at front as well as back, the surprising ease it went over 100 mph and probably more if given enough straight track. Could it be more battery? Which begs a quicker charging system to repeat this fun over again quickly. More range for longer sessions like the video. Maybe a larger rear sprocket to get there mechanically, or all of above? If even some of this is true, I'd like to upgrade my order to 'RR' status and wait patiently for this next electron rocket to go into production.
What say you Brammo wizards? ???
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rfulwell

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Re: Empulse RR next level up?
« Reply #1 on: April 29, 2011, 12:17:39 AM »
Well! After looking at the pics and videos of the RR in action, it looks to me like it's a level up from the Empulse 10. Fairing, Brembo system at front as well as back, the surprising ease it went over 100 mph and probably more if given enough straight track. Could it be more battery? Which begs a quicker charging system to repeat this fun over again quickly. More range for longer sessions like the video. Maybe a larger rear sprocket to get there mechanically, or all of above? If even some of this is true, I'd like to upgrade my order to 'RR' status and wait patiently for this next electron rocket to go into production.
What say you Brammo wizards? ???

Easy.  Spend $100,000+ and you can have that today*:
http://www.engadget.com/2011/04/14/chip-yates-goes-190mph-on-an-electric-motorcycle-takes-you-alon/

Rob.

*Not counting the quicker charging which is a tough physics problem to solve.

1lesscar

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Re: Empulse RR next level up?
« Reply #2 on: April 29, 2011, 01:11:39 AM »
Well! After looking at the pics and videos of the RR in action, it looks to me like it's a level up from the Empulse 10. Fairing, Brembo system at front as well as back, the surprising ease it went over 100 mph and probably more if given enough straight track. Could it be more battery? Which begs a quicker charging system to repeat this fun over again quickly. More range for longer sessions like the video. Maybe a larger rear sprocket to get there mechanically, or all of above? If even some of this is true, I'd like to upgrade my order to 'RR' status and wait patiently for this next electron rocket to go into production.
What say you Brammo wizards? ???
:D :D :D :D :D


IF the Empulse SELLS, then there will be plenty of UPGRADes available for this bike.
« Last Edit: April 29, 2011, 01:20:31 AM by 1lesscar »

protomech

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Re: Empulse RR next level up?
« Reply #3 on: April 30, 2011, 09:14:38 AM »
*Not counting the quicker charging which is a tough physics problem to solve.

Bikes have this a lot easier than cars, actually.

Toshiba has a fast-charge battery called SCiB which can be charged to 90% in 10 minutes (so they say). The highest level of J1772 is 240V / 80A peak or 19 kw. A conventional motorcycle should use around 150 wh/mile at freeway speeds, a streamlined bike could easily use half that. That would give the streamlined bike a charging speed of 240 miles per hour, or on a 10 kwh bike you'd stop every 120 miles / 90 minutes for a half hour to charge the bike. And stretch your butt :p

That requires very little infrastructure modifications, where widespread level 3 charging will require substantial power infrastructure enhancements.

Compare to a car.. the Leaf probably uses 350 wh/mile at freeway speeds, or the same 19 kw connector charges at only 55 miles/hour. Every 120 miles they'd need to stop for about two and a half hours.

In both cases this is assuming they have a sufficiently large charger onboard. The Leaf has only a 3.3 kw charger onboard, and the Empulse may only have an 800-1000w charger for level 1 charging onboard. Getting a larger AC charger onboard will be a tough engineering problem, perhaps impossible. But the battery and infrastructure issues are not insurmountable.
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