Ebike Racing Hawaii

mikebermea

100 µW
Joined
Dec 5, 2016
Messages
7
Location
Hawaii
Meet the ebike gang on Oahu. We get together once a month to race. Here is footage form the last two races.

https://www.youtube.com/watch?v=yo0wWdMGgoM&t=38s

https://www.youtube.com/watch?v=N1hHXv_xh6I
 
That's pretty cool. It looks like a lot of fun, nice terrain too.
 
New Videos

https://www.youtube.com/watch?v=rnVw1oUWqjY

https://www.youtube.com/watch?v=9w_4q3Xy-SI

https://www.youtube.com/watch?v=lucfn0sc65c

More coming soon

Racing Ebikes at Kahuku race track on the north shore of Oahu.
3000 Watt Cyclone
16 Ah Mutistar Lipos
No drag backpack
74 volt 40 amp
Fox 36 Talas Fork
Fox float rear shock
Alfine 8 internally geared hub
Pegs (No Pedals)
Carbon Fiber frame
Top Speed 48 mph
Max torque 92 ft lbs 1st gear
 
See you at the bike festival this month I love racing on the bmx track.
 
New videos
This was Yesterdays Ebike race at Kahuku MX Track on the north shore of Hawaii. Its raw race footage.
Part one
https://www.youtube.com/watch?v=EulyKMLrwZc&t=628s
part two
https://www.youtube.com/watch?v=-yG8hEuljaw&t=315s
part three
https://www.youtube.com/watch?v=-yG8hEuljaw&t=315s

-Third 12 minutes (Raw footage) of the 4th of July weekend Ebike race on north shore of Oahu at Kahuku MX Track. (Team Chillaxin) (Ebikes Hawaii)
-Race Length: 12 miles
-Terrain: rugged intermediate
-9 riders entered 5 finished (mechanical failures due to harsh course)
-3 pedal assist bikes. High powered custom bikes

-POV Rider's Bike. (Ground up home built rat bike)
-Chinese generic carbon fiber frame (Could be better)
-Fox Talas 36 front fork (Great front fork)
-165mm Fox Float rear shock(just ok)
-Shimano Alfine 8 speed internally geared hub (Bullet Proof!)
-Cyclone 3000 watt motor. (complete Monster)
-Custom mounting Brackets (Precision Machining Oahu Hawaii)
-Kelly KLS7212S controller Programed Down to 40amp continuous 80 amp burst. All the multistars can really handle (Absolutely Amazing)
-Battery for this race 70.3 volt nominal 19s lipo 16000 MAH Multistars (Good enough)
-Ogio no drag hard shell backpack (Plenty of space for batteries)
-Bike has pegs no pedals.(no need over 2kw)
-Continental Mountain king tires.(Superior flat protection)
-Magura MT2 brakes 160mm rotors (great budget brakes) Need 203mm rotors

-Bike specs for race:
-GPS verified 50mph top speed. (Top speed during race 31mph)
-First gear Torque @ 40amp 80 ft lbs
- Contiuous power 70.3 x 40= 2812 watts or 3.77hp
-Peak power 79.8 x80= 6384 watts or 8.55hp
-160 mm front travel
- 140 mm rear travel
- Standard 10 speed chain.

Strengths:
Strait line speed.
Hill climbing ability.

Weaknesses:
Home built reliability
Wheel travel (Need 180mm+ at Kahuku)
Frame rigidity (Massive flex under torque)
Too short of wheel base. (Hard to keep front end down)
 
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