Nyx frame, 273mm*40m V3 hub, and 650A

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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by Doctorbass » Oct 20 2016 8:38am

Luke i m using the ZERO rear shock (Fastace) and it work very well ! This is coming from a DS. Model is BDA53AR.. the front fork i use is the White Brother from the ZERO mx 2009. Both are very tough. Btw the white brother fork is extremely strong!! It was also capable taking 250A phase on the front12kv mxus motor i installed on when the ebike was 2wd for couple runs.

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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by steveo » Oct 20 2016 9:06am

650A.. thats it :lol:

Very nice Luke, I gotta ask, what controller are you running?

I can tell you, on my experience.. with my 18ishkv six phase Hubmonster motor advertised at 97% efficiency rating.. .. with dual Adaptto Max e at full power.. 400 battery --- 500-600ish phase amps.. i can get a couple pulls at full power before she hits 100 degrees.. i'm running a moped tire.. that has a diameter of around 21". The motor is still factory sealed.

I'd like to try some ferro Fluid, but i have not gotten there yet, the next piece my bike needs is a new strong front fork & tire/rim.

Good luck with your build
Doctorbass wrote:Luke i m using the ZERO rear shock (Fastace) and it work very well ! This is coming from a DS. Model is BDA53AR.. the front fork i use is the White Brother from the ZERO mx 2009. Both are very tough. Btw the white brother fork is extremely strong!! It was also capable taking 250A phase on the front12kv mxus motor i installed on when the ebike was 2wd for couple runs.

Doc
This Explain why i could not find this fork when i was looking.. it is from a zero!!!

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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by liveforphysics » Oct 20 2016 6:02pm

Doctorbass wrote:Luke i m using the ZERO rear shock (Fastace) and it work very well ! This is coming from a DS. Model is BDA53AR.. the front fork i use is the White Brother from the ZERO mx 2009. Both are very tough. Btw the white brother fork is extremely strong!! It was also capable taking 250A phase on the front12kv mxus motor i installed on when the ebike was 2wd for couple runs.

Doc

If you think that old white brothers fork works well (I ran it on multiple death bikes), you gotta try a Fox40. It's unbelievably rigid and smooth with super low stiction.

This is the 2016 world cup downhill finals. The winner of the event is running the same fork I'm running, and it's been setup by Fox's own factory RnD crew for my application. It should be capable of plenty more than my balls permit on a bike. http://www.redbull.com/en/bike/stories/ ... nning-runs

Something neat about air-suspension is the ability to adjust effective spring rates in 30 seconds or so for free to tune in the vehicle to the type of riding you may be doing.
Last edited by liveforphysics on Oct 20 2016 11:28pm, edited 2 times in total.
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by macribs » Oct 20 2016 7:57pm

This I gotta follow.

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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by brumbrum » Oct 21 2016 1:22pm

Ive got to agree that air suspension is smoother amd more progressive that springs, and fox 40's are the drooling roll royce of forks. I got to get some, but cant get past the price tag. I am luckily enough to live down the road from the only U.K Fox registered distributors who offer a free bespoke consultation setup to your bike and weight and ride type when you buy the fox 40's from them. But i dont know whats worse, spending the dough or be blanked and made to feel guilty and selfish by my 'trouble and strife' for several months. :roll:
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by Ohbse » Jan 04 2017 11:48pm

Any updates luke? I know you've been flat out

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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by liveforphysics » Jan 05 2017 2:07am

Ohbse wrote:Any updates luke? I know you've been flat out
It's got its belt drive parts finally done, got a custom Ti spring set in the Ebike spring rate and damper cartridge. So it can be pedaled around now.

Waiting on some very special pouch cells to arrive for it, and potentially a different controller option with more than 650A phase current as well if it can be made about 10mm thinner to fit inside the frame. I'm not a big fan of having the controller external if I can avoid it, because I like to ride rocks and tree roots and I love being able to crash or bail off as needed and not have wires get ripped out.
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by madin88 » Jan 05 2017 6:05am

yeah, better you allow enough time for building it solid (thinking of builders who install the components with duct tape) :mrgreen:
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by gogo » Jan 05 2017 11:51am

brumbrum wrote:Ive got to agree that air suspension is smoother amd more progressive that springs
With any sealed hydraulic fork, there is some air adjustability that comes from adding or subtracting the oil volume. My 1977 Kawasaki KE125 had neat fork cap nuts that have a screw in the middle of them. This made it easy to change the oil level without releasing the spring tension.
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by Quokka » Jan 15 2017 1:38am

Hey Luke, could you post some photos of the brake side of the motor if its all installed? Interested to see if you were able to squeeze the calliper in there and to see what/ if any machining was required?
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by liveforphysics » Jan 15 2017 2:02am

Quokka wrote:Hey Luke, could you post some photos of the brake side of the motor if its all installed? Interested to see if you were able to squeeze the calliper in there and to see what/ if any machining was required?
It's not at my house right now, but hopefully Monday I can get a picture.
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by ninepointeight » Jan 17 2017 11:35pm

Looks like an awesome bike, I am sure it will be a blast (hopefully no combustion).
I am building a wheel with a QS 273, and there isn't a ton of info on here about them.
What gauge spokes are those? And are you are going to upgrade the phase wires on it? They ones that they put on there seem hardly adequate.

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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by liveforphysics » Jan 17 2017 11:59pm

ninepointeight wrote:Looks like an awesome bike, I am sure it will be a blast (hopefully no combustion).
I am building a wheel with a QS 273, and there isn't a ton of info on here about them.
What gauge spokes are those? And are you are going to upgrade the phase wires on it? They ones that they put on there seem hardly adequate.

You are a legend!
I had some special requests when I ordered my motor, including that the phase leads be as large as they could possibly fit through, because I've upgraded the phase leads of every other hubmotor vehicle I've ever had and it's quite a few hours of work an I would happily just pay extra to have them do it on initial assembly.

I also got a very high 16.8kV winding, so this setup really only works well with big phase current, but should be very efficient with a powerband that has silly top-end speed.

With respect to lacing the wheel, it would be so much stronger if QX motor would spread the spoke flanges out to the far outsides of the magnet/rotor ring assembly. They are only about an inch apart, and this means reduced spoke angularity possible in lacing to get the wheel robust to side loading.

I left the spokes and sizing in the hands of a friend who did world-cup downhill bike rims and motocross racing wheel lacing as well for many years. His name is Jamie, hugely talented on a bicycle and motorcycle, and he is one of my favorite folks on the planet to ride with, and he is the guy who assembled the longest lasting of the deathbike wheels. Next time I visit the bike I will take a measurement and photo of the spokes and layout.

Thank you for the kind words. Enjoy life!
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by fechter » Jan 18 2017 12:38am

That's going to be really nice when you get it done. Like a pretty version of Deathbike.

What's your predicted top speed?
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by liveforphysics » Jan 18 2017 1:37am

fechter wrote:That's going to be really nice when you get it done. Like a pretty version of Deathbike.

What's your predicted top speed?
I'm going to push a lot of timing advance and should easily have >100mph.
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by VoKuS » Jan 18 2017 8:29pm

Awesome looking bike!

I have a few questions.

1. Where do you get a motor like this?

2. How much power can this motor take continuously with out over heating in California heat of about 80F / 26C ?

3. What is the recommended voltage to run this motor at?

4. What is the recommended controller to run this motor with?
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by Baron » Jan 18 2017 9:20pm

Looks like a QS motor,

http://www.cnqsmotor.com/en/article_lis ... or/90.html

They have spec sheets on each individual motor page. Also comes in a cast scocter rim, pretty cool

http://www.cnqsmotor.com/en/article_lis ... /89_3.html

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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by liveforphysics » Jan 19 2017 12:13am

QS motor made the hub.

For the rest of your questions, let me get her on the dyno and I will let you know. :-)

VoKuS wrote:Awesome looking bike!

I have a few questions.

1. Where do you get a motor like this?

2. How much power can this motor take continuously with out over heating in California heat of about 80F / 26C ?

3. What is the recommended voltage to run this motor at?

4. What is the recommended controller to run this motor with?
Each carcinogen vapor exposure includes a dice roll for cancer.

Each mutagen vapor exposure includes a dice roll for reproductive genetic defects in your children.

Each engine start sprays them into a shared atmosphere which includes beings not offered an opportunity to consent accepting these cancer experiences and defective genetics life experiences.

Every post is a free gift to the collective of minds composing the living bleeding edge of LEV development on our spaceship.

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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by Im_Getting_Better » Jan 23 2017 4:13pm

That Motor looks insane in the wheel! Sub'd.

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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by liveforphysics » Jan 28 2017 6:13pm

Image

Image

Image

Image

Image

Image


No rear brake mounted yet, Jamie is still working on that. No battery or motor controller installed yet either, but that's the last things needed to rip!
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Each engine start sprays them into a shared atmosphere which includes beings not offered an opportunity to consent accepting these cancer experiences and defective genetics life experiences.

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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by Rube » Jan 28 2017 6:56pm

Great photos, why did you choose the belt drive? Less maintenance and cleaner?
Talk about building suspense before the controller and cell reveal :) I'm really looking forward to hearing the details.
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by litespeed » Jan 28 2017 9:32pm

That looks just awesome!

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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by liveforphysics » Jan 29 2017 3:18am

After +20years of riding chain bicycles/ebikes/dirtbikes/motorcycles daily, I finally tried a direct belt-drive system and was instantly in love with no back-lash and silence and have never been impressed or pleased with a chain-drive vehicle since (I'm a notorious destroyer of roadbike pedal chains on my pedal only cyclocross bike running all dura-ace and ultegra parts). That freewheel is the only pricey part in that setup, white industries charges 4-5x what I think is fair to pay for that freewheel, but I understand they likely only sell a few a year and it's gotta be a PITA to fixture up to machine for something so low volume. It's way cheaper for bikes with cassettes to convert to belt.

The bottom bracket Schlumpf drive is the option you can order from Nyx, and it lets you pedal at a ratio where it's like your front sprocket is 80-100t around or something close, while keeping the overall sprocket diameter smaller for clearance on rocks and obstacles and things. It adds loss to the human pedal input, but its better to have lossy human pedal input than not be capable of pedaling at all at 35-40mph, as you're mostly pedaling for exercise and the joy and fun of pushing pedals anyways.
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by liveforphysics » Jan 29 2017 3:42am

Rube wrote:Great photos, why did you choose the belt drive? Less maintenance and cleaner?
Talk about building suspense before the controller and cell reveal :) I'm really looking forward to hearing the details.
Cheers
You and me both are in suspense!

If I can hold *~64v under load, the motor base speed with no timing advance/field weakening yields 80mph vehicle speed. I know it's no trouble to get another 30->35% RPM through field weakening (at the cost of efficiency/motor heating), so it would seem likely the bike should be capable of over 100mph even towards the low end of the pack's SOC.

100mph is like the new 60mph for hotrod ebike builds today anyways.

People a decade in the future with 10x better mosfets/ganfets/sicfets and 10x better solid state batteries and possible room temp superconductor windings and grain-oriented magnetic materials for motor cores will be laughing about the size and weight and hassles of making a 100mph hubmotor ebike in 2017.
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Re: Nyx frame, 273mm*40m V3 hub, and 650A

Post by Ypedal » Jan 29 2017 7:38am

that is one sweet looking rig !!.. jealous. 8)
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