How good is Cyclone 4kw coaxial suspension bike?

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Sac037
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Re: How good is Cyclone 4kw coaxial suspension bike?

Post by Sac037 » Dec 30, 2017 4:56 pm

Photos of controller cooling ducts
2 Air scoops funnel the air into the controller cavity. Then exhaust through the back of the box through the silver grills.
Im thinking of fans inside, forcing air out of the box
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Skaiwerd
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Re: How good is Cyclone 4kw coaxial suspension bike?

Post by Skaiwerd » Dec 31, 2017 9:50 am

Thanks for your testing this for us. Does it come with a display to view the amps? I use the batt-man for my cyclone 3000w. There are some neat cpu coolers and fans available now. Do a search on AliExpress for cpu cooler. This seems like a similar setup as the ultra drive but with a lot more power. Where the motor is integrated into the bike frame. This makes the motor less noticeable and less cluttered and more compact in appearance. Are there internal planetary gears for reduction like in the 3000w?

Sac037
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Re: How good is Cyclone 4kw coaxial suspension bike?

Post by Sac037 » Dec 31, 2017 5:08 pm

Hi,
It has the same gears internally as the 3000.
The front chainring is 22t up to 42t
I have ordered 3 fans. Yeah racing.
25mm to go directly into the controller ( with the controller inside the battery box, it is clear of water)
So the fan will line up with the fets bus bar and a filter at the other end. This little fan does 5.5cfm and only draws 5v x .28 amp
And 2x 30mm yeah racing fans on the battery box exit vents @ 11cfm.
See how it goes.

alswiseowl
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Re: How good is Cyclone 4kw coaxial suspension bike?

Post by alswiseowl » Dec 31, 2017 10:30 pm

nice work..
please keep posting bout your bike experiences,
I'm only a couple days away from ordering my 4kw coiaxle can't wait..
cooling fans seem like the way to do as long as its weatherproof true..
sounds like a nice & fast ride 8)
videos of performance would b great
thanks mate

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Skaiwerd
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Re: How good is Cyclone 4kw coaxial suspension bike?

Post by Skaiwerd » Jan 01, 2018 4:42 pm

Does it use the same controller as the regular cyclone 3000w? I know you can get the regular 40amp or an upgraded one at 60 amps for the cyclone 3000w. Getting the same watts at 50 volts seems appealing over 75 volts. Means 2 batts not three. Or 4 not 6 batterie also for 2x capacity. Sounds nice if you don’t need the volts for top speed, that uses a lot of power anyway. I run the multistar 16k lipos.

Sac037
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Re: How good is Cyclone 4kw coaxial suspension bike?

Post by Sac037 » Jan 03, 2018 4:21 am

Hi,
The controller is stated as 60 amp. But i think it is the 40 amp with a bigger shunt. Looks identical inside and the same number of fets.
I ran a 3000 at 48v on my first bike. I upgraded to 72v asap. Higher volts means higher speed.
For a really high torque combo and low speed i found running a 72v battery and reducing the throttle output signal from 5v to 2.5v gave a slow bike with lots of torque.and the range tripled.
Low voltage batteries are false economy IMO. As the total watt hours drops off a lot.

Sac037
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Re: How good is Cyclone 4kw coaxial suspension bike?

Post by Sac037 » Jan 03, 2018 6:02 am

One thing thats needed when buying this kit is the rear hub is 170mm. You will need a 170mm fatbike hub and they are not so cheap for something descent. And youll have to lace the wheel.

DingusMcGee
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Re: How good is Cyclone 4kw coaxial suspension bike?

Post by DingusMcGee » Jan 14, 2018 9:21 am

Chalo,

But I'd say it's from the best possible country of origin to to maybe be an OK e-bike at that price.
Chalo,

I may have been one of the first to order the Elite bike frame back in July 5, 2017 and I will have to agree with you on most of what you say. You do get a unique coaxial motor shaft and petal shaft on a steel frame in one simple purchase -- no machining or heat treating needed on an altered frame to accommodate the coax motor. My particular interest in this form of motor/drivetrain compactness was that in jumping piles of logs I would not have to worry about bashing the chainring.

Now that I have the bike almost built there are some glaringly obvious shortcomings.

1. As the rear shock ( the included Cyclone rear shock is somewhat inferior to a Fox rear shock) travel is 140mm I bought the bike without their forks knowing there are good deals on used Fox forks and I would get equal rear and front travel. I did manage to get a new 2017 Fox Talus 34 -- 150mm travel -- 27.5" tire -- factory ( it will accommodate a 3.00 tire width) for $530. It turns out the frame head tube is a little short to allow the fork base to swing under the down tube. The fork adjusting knobs hit the down tube. There are several solutions:

1. remove the adjusting knobs

2. smash a dent in the down tube

3. weld a ring extension to the head tube

4. add shims to move the bearing race further down from the head tube end.

5. do nothing and see what happens while riding as one does not turn the fork at a right angle to the rear while travieling.

2. This 150mm Fox fork will yield a wheelbase of 48". This long wheelbase will make for a bike less nimble than my FSR Stumpjumper at a 43" wheelbase.

3. The standard additional drivetrain parts are not in the ideal range for using this bike for hill climbing. I may use a single speed 70T chainring on the rear.

4. The movable joints of the rear suspension are not bushed and are 6mm bolts. This frame is not as strong as a Big Hit downhill frame.

5. The OEM position of the controller could almost not be in a worse position. The wires exit near the bottom of the motor shell and could get snagged on brush or logs. Also the controller would get more water splashed on it in this low mount.

That said, log pile jumping happens on flatter ground and not hill climbs. A long wheelbase makes for a more spongy frame and softer landings. Not much nimbleness is needed to do log jumping. Nor does one need a 70T rear cog.

I may have this bike up and running in a month. I have the SRAM ex1 Cassette with a 48T for the rear along with a good collection of Multistar bricks.

It is the coax motor .............

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