Revolt Rv-120 pro/ norco aline Video teaser

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richdeloup   100 W

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by richdeloup » Nov 17 2014 5:11pm

My first intention was to built a 2 speed system ( direct retro drive). By reversing the motor with a button on the handle bar
That's an interesting system, did you try it?
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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by boisrondevens » Nov 17 2014 8:21pm

Reserved....

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by izeman » Nov 18 2014 2:19am

my (very soft) maxxis 26x2.5 rear tire has almost no knobs after around 300km :(

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by panurge » Nov 18 2014 5:23am

Wow, that's even a more interesting feature to figure out and discuss 8) ...but I guess it should mean to add complxity to a concept that has its strenght on simplicity. At this point would be better to get the retro-direct mech compact and boxed close to the motor and run a single speed chain. An heavy duty BMX chain, althoug stretchable, is able to withstand many KW.....any deviation from a perfect chainline lowers drastically its performnce, though.
A double output (one for each shaft end) with different gearing and a double (or a redundant quadruple :mrgreen: ) freewheeling system, with this single stage setup, could make sense. For a non-single stage, otherwise, a boxed retro-direct assembly and a single trasnission chain/belt is the more sensible approach, I guess.

Waiting keen for next pics, details, and runs 8) 8) 8)
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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by gwhy! » Nov 18 2014 6:47am

http://endless-sphere.com/forums/viewto ... ng+gearbox

This was my play into the concept of the 2 speed box.

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panurge   10 kW

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by panurge » Nov 18 2014 5:39pm

Yes, these pitures are stored in my archive as most of the ones from the epic thread: http://endless-sphere.com/forums/viewto ... =28&t=8644
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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by Nikolay-UA » Nov 22 2014 6:11pm

Hi
Somebody know what reduction need to climb 30-40% step hill ?=) I think to use 1:5 or 1:6 with at 96v, but don't know how to calculate torque=(
I also want to buy RV-120 PRO and push 6-8KW continuous.

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by etard » Nov 29 2014 1:20pm

Great build!

If it works for you, don't change anything until it breaks, then just replace with a stronger component and keep riding. I really like how this was built with common tools and the simple solutions to common problems.

Hat's off to you sir!
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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by boisrondevens » Nov 29 2014 3:43pm

Thanks Etard!

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by izeman » Nov 29 2014 6:49pm

etard wrote:...If it works for you, don't change anything until it breaks, then just replace with a stronger component and keep riding...
that somehow reminds me how the british built their racing cars 50 years back: make the parts smaller/lighter until they brake. ;)

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by sn0wchyld » Dec 02 2014 3:22pm

can you do a quick test of the no load amps? thinking of getting this motor...

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by evolutiongts » Dec 02 2014 8:12pm

Is this is Outrunner? And whats the KV?
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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by boisrondevens » Dec 03 2014 9:25pm

Yes it's.
You can find more information about it :
http://www.revolt.org.il

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etard   1 MW

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by etard » Dec 03 2014 11:05pm

If I'm reading corretly, you want to push the motor past it's max rating? If it holds up, that would make this motor a bargain.

Any idea what it was originally designed for?

Are you concerned with dirt getting flung in the motor from the tire? It would be easy to throw a mud guard on there...
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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by boisrondevens » Dec 04 2014 1:16am

This motor is rated 5kw const and 15kw peak. I don't know what limite you're referring to...
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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by boisrondevens » Dec 04 2014 1:28am

Add some lights
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Noamsal   100 W

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by Noamsal » Dec 06 2014 11:05am

I only have access to the basic tools ( jigsaw, drill press ) no cnc or any other machinery.
wait, you want to tell me you made those swingarm extenders with just those basic tools? or had someone made them for you in some kind of machinery?
i got to say thats the part that interests me the most, only the shape of the extenders makes me drool....

edit -
oh now i see, the back part is the original dropouts, you made the plate in between those to the frame *facepalm*
still verry nice though, i'm really impressed
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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by boisrondevens » Dec 07 2014 3:47pm

Winter tires home made style!
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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by pchen92 » Dec 07 2014 4:47pm

Cool bike ! Good job ! Looks like the perfect setup to me.

How did you mount the motor ?
What parts did you need to get the chainring on the left side ?
Is your rear hub spacing 150mm ?

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by boisrondevens » Dec 07 2014 6:43pm

Thanks for the comments!
You can see on the second pages how I deed the chairing on the left side.
Yes the hub spacing is 150mm

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by tomaj » Dec 08 2014 3:01am

I am considering same setup as yours.

What is your BB length? Is there enough space for the motor between cranks?
I was looking for standard 3-speed Deore XT crankset, 73mm BB, but it seems there is not enough clearance between cranks for the motor :?

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by richdeloup » Dec 08 2014 7:36am

left drive side adapter
Could you link me to this please?
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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by madin88 » Dec 08 2014 10:54am

i like the idea of placing the motor on the swingarm, but due to the extension you have created a weak point on the upper arms.
further do you have enough space between wheel and motor in full deflected condition? the gap looks very small and unless im mistaken it becomes a bit smaller when the damper does deflect.

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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by boisrondevens » Dec 09 2014 1:47am

Clearance was the hardest part of this build. Reason why I had to build those extentions.
But now with my dropout extention and the 2.0 winter tires no problem.
Next summer I will install my 24" rims, it's all good 8)

I'm not concern about weak point since i'm not the first who extended dropout on this a-line frame ( mattyciii built)
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Re: Revolt Rv-120/ norco aline ( rc mid drive)

Post by Noamsal » Dec 19 2014 5:53am

madin88 wrote:i like the idea of placing the motor on the swingarm, but due to the extension you have created a weak point on the upper arms.
further do you have enough space between wheel and motor in full deflected condition? the gap looks very small and unless im mistaken it becomes a bit smaller when the damper does deflect.

Image
i agree,
and maybe you've seen someone else extending those dropouts but it looks like he kept the triangulation of the stingarm, when you made it a bit square at the end, that makes an angle in the end of the swingarm which is reducing the strengh.
i think you should add a bar like in the added picture, you can use the dropout screw to catch it from one side and a good steel band to catch it on the other side, that way its reverseable
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Alot of dirt-jumpers has something like this but inside the triangle, this wont do in your situation but its a sample of what it will affect
i won't risk a frame like that especially on those speeds
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