Doc's ULTIMATE TORQUE ARMS fit most of the frame UPDATE 2013

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Doctorbass   100 GW

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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Doctorbass » Sep 28 2011 1:19am

:wink:
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Doctorbass » Sep 28 2011 1:13pm

Update 28 sept 2011 for the third batch

I contacted the laser cuting shop to get update and they said that they restarted 2 times the entire batch due to their new laser cuting machine fine tuning problem. The last two batch was made with their first machine that is top shape but it was broken at the begining of the week.

They should be able to restart a 3rd time that batch i need with the right machine that is fine tuned already since many years

Problem i sthat QT100 steel is so hard than the laser cut job is really difficult to acheive with good result and it require experienced man who operate it.

The suggested me to downgrade the steel to facilitate the job but since they was able to get 100% good result the very first time in the first batch , than i asked to keep the good QT100 steel and wait until the right laser cuting machine is repaired ( hopefully at the end of this day)

Once they will pass my QC, i'll offer them dor sale and will ship the dozens already requested from peoples

Doc
CURRENT PROJECT: 2WD duo MXUS/Max-E ebike 32kW
http://endless-sphere.com/forums/viewto ... =3&t=65764
-Fastest speed record 117 km/h on flat
-Fastest 1/4 mile@ 114km/h on flat and 16.316 sec
-Succeded to haul a 19200 pounds schoolbus!
113kmh Gianthttp://www.evalbum.com/3406
Mongoosehttp://www.evalbum.com/1947
YOUTUBE---https://m.youtube.com/user/Doctorbasss
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by mvly » Sep 29 2011 6:20pm

Doctorbass,

How do I mount these on my bike frame? Do I weld it or just glue it with epoxy made for metal on metal?

Thanks

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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by ohzee » Sep 29 2011 6:27pm

mvly - there are posts showing excactly how to install these - the Doc even made a instructional video.

Look around and you should be able to find what you need.

Good luck get us some pics when done.

DP 420 is what you need.That's where I got mine.

http://www.ebay.com/itm/3M-DP-420-Scotc ... 336b92e049

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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Spacey » Sep 30 2011 12:20pm

That epoxy is so awesome that I gave up trying to get the rivnuts in my Greyborg frame.... I just epoxy'd them in :)
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Doctorbass » Sep 30 2011 1:17pm

GOOD NEW

I GOT THE T-A BATCH TODAY

QC pass OK..

now i just need to make the M10 thread in all the right T-A, put them in envelope, put all your adress and and they will be ready to go :wink:

Doc
CURRENT PROJECT: 2WD duo MXUS/Max-E ebike 32kW
http://endless-sphere.com/forums/viewto ... =3&t=65764
-Fastest speed record 117 km/h on flat
-Fastest 1/4 mile@ 114km/h on flat and 16.316 sec
-Succeded to haul a 19200 pounds schoolbus!
113kmh Gianthttp://www.evalbum.com/3406
Mongoosehttp://www.evalbum.com/1947
YOUTUBE---https://m.youtube.com/user/Doctorbasss
http://twitter.com/DocbassMelancon
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Deutch420 » Sep 30 2011 6:47pm

I'll take a set bundled with the 5404. PM and payment sent.

Thanks!
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Floont » Sep 30 2011 7:54pm


I'll also take a set bundled with the 5404. PM and payment have been sent.

Thanks!!!
Build 2: (present build): Rear x5304 on full suspension Mongoose, 127v 30s3p 10aH Turnigy Lipo, Lyen 24FET 100amp controller, CA2.2, 26" Hookworm front, 26" Crazy Bob rear, 203mm disc brakes, Airzound horn, twin Blaze 2 watt front lights - BURNED
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by waynebergman » Oct 01 2011 12:23am

Great video describing the torque arm drop outs. Thanks for that.

Thought I would pass on some tips I got from the west system epoxy tech help when it comes to epoxy applications on aluminum. Not sure if this is applicable for the epoxy you are recommending but I would think it could help with the bond and take care of the oxidization that will occur with aluminum when its sanded for helping the epoxy key into it.

West System tech help says if you clean your aluminum with acetone or what ever to degrease, hold off on sanding the aluminum till you wet out the aluminum with epoxy first. After the aluminum is soaked with epoxy you can then sand it with sand paper. What happens here is the aluminum will not oxidize as badly with the layer of wet epoxy on it and you rough it up with sand paper so the resin will key in without the oxidation happening. Your resin will retain all the little bits of sanded aluminum but that is ok. Also with the epoxy I use they say not to clamp with very much pressure as you dont want too much squeeze out to starve the joint. I guess the issue with aluminum is, as fast as you can sand it it will oxidize before you can cover it with the resin unless you sand the wet resin right into it.

I have used this tips for epoxing aluminum to aluminum and it works pretty good so wanted to pass this along. I am no chemist but the tech guy at West System was very helpful and seemed to know what he was talking about.

I am in the early stages of planning my build but I am sure I will want to order a set of these drop outs after I buy my bike frame for the project...................Wayne

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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Spacey » Oct 03 2011 4:39am

Just wish Crystalyte had made the HS3540 motor with thicker axles so that there was more of a straight edge to the ends of the axles.... or rather... more for the torque arm to grip on!

Doc Bass's Torque arm rocks and does not move at all.... but the axle on regen and acceleration with the motor/wheel held off the ground still turns left and right a bit. The bolt turns with the axle. Bloody annoying as the fit was....is.... so tight that I have to beat the axle off with a hammer to get it out of the torque arm.

Maybe I will have to turn regen off to stop the forward and backward rotation. I do have full faith in the torque arm, just pissed off at the tiny amount of surface area Cystalyte gave to the HS3540 axel for the torque arm to do its job.
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Philistine » Oct 06 2011 4:45am

Hey Spacey - have you tried Nordlock washers? I was getting a similar problem with one of my torque arm set ups, and by using Nordlock washers, I was able to clamp the nuts on that much tighter, and they just don't budge with Nordlocks. Just be careful because the Nordlocks really do work like a ratchet, and they are so effective that I tightened my nuts too tight at one stage. They are an amazing product. My tip with them is lube them with WD40 when applying, and they are literally like a ratchet, they tighten the nuts on so tight, and they just don't budge. I was just thinking they might help with the back and forth with regen.

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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by whereswally606 » Oct 18 2011 10:16am

This may be a stupid question but I havent seen the answer elsewhere. Just bought a Norco VPS for my second ebike build. This means scrapping the idea of a cheapo steel build. Since the frame is aluminium is there any issues when bonding these steel torque arms to the dropouts. Im talking the galvanic corrosion kind. Im guessing some of Dr Bass' builds must be ALu but i just wanted to check.

If not ill go ahead and use the TA with that metal glue
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by NeezyDeezy » Oct 18 2011 10:31am

I want to use these so bad, but I have a motor with the thinner axle! Any chance of you making a few for the thinner axle variety?

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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by vanilla ice » Oct 18 2011 10:50am

Which motor do you have? I have a xlyte 4 and these fit fine. Any axle that goes in 10mm drop outs. And they make nord lock washers for the xlyte 4's too. By name they call them 1/2" which fits 12mm.

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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Doctorbass » Oct 18 2011 11:32am

whereswally606 wrote:This may be a stupid question but I havent seen the answer elsewhere. Just bought a Norco VPS for my second ebike build. This means scrapping the idea of a cheapo steel build. Since the frame is aluminium is there any issues when bonding these steel torque arms to the dropouts. Im talking the galvanic corrosion kind. Im guessing some of Dr Bass' builds must be ALu but i just wanted to check.

If not ill go ahead and use the TA with that metal glue

That's an interesting question.

In muy experience, the tickness os epoxy is like insulating both metal together (alu and steel) due to the suffisent thickness of epoxy filled between both.

2 of my ebikes have the aluminum dropout and my torque arms are installed with the epoxy and i never saw any sing of galvanic corrosion kink. they still hold more than enough ( way overkill :twisted: ) and that's what i appreciate. i'm 101% confident on these torque arm and that epoxy.

alu, steel, stainless, brass etc.. it always give good results. It is just unimaginable how strong this bounding is.

Personally i would more worrie about axel twist or stator slip on axel than torque arm unbound from the frame ( this apply if the epoxy preparation curing and cleaning process is made bythe book as well)

Remember.. on steel, one square inch can hold 145 lbs-ft.. and that epoxy usually give better result on aluminum!

Let say you have 3 total sq-inchs of surface for both torque arms, that mean 435 lbs-ft minimum

I've already read about that and found that epoxy is acting like an insulator between both metal and insulate from electrochemical reaction.

Epoxy is a structural adhesive so it fill and bound between two material.

Doc




Doc
CURRENT PROJECT: 2WD duo MXUS/Max-E ebike 32kW
http://endless-sphere.com/forums/viewto ... =3&t=65764
-Fastest speed record 117 km/h on flat
-Fastest 1/4 mile@ 114km/h on flat and 16.316 sec
-Succeded to haul a 19200 pounds schoolbus!
113kmh Gianthttp://www.evalbum.com/3406
Mongoosehttp://www.evalbum.com/1947
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Doctorbass » Oct 18 2011 11:33am

NeezyDeezy wrote:I want to use these so bad, but I have a motor with the thinner axle! Any chance of you making a few for the thinner axle variety?
Have you any pipcture or data about that motor?

Doc
CURRENT PROJECT: 2WD duo MXUS/Max-E ebike 32kW
http://endless-sphere.com/forums/viewto ... =3&t=65764
-Fastest speed record 117 km/h on flat
-Fastest 1/4 mile@ 114km/h on flat and 16.316 sec
-Succeded to haul a 19200 pounds schoolbus!
113kmh Gianthttp://www.evalbum.com/3406
Mongoosehttp://www.evalbum.com/1947
YOUTUBE---https://m.youtube.com/user/Doctorbasss
http://twitter.com/DocbassMelancon
I speak FRENCH and english

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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Spacey » Oct 18 2011 11:39am

Philistine wrote:Hey Spacey - have you tried Nordlock washers? I was getting a similar problem with one of my torque arm set ups, and by using Nordlock washers, I was able to clamp the nuts on that much tighter, and they just don't budge with Nordlocks. Just be careful because the Nordlocks really do work like a ratchet, and they are so effective that I tightened my nuts too tight at one stage. They are an amazing product. My tip with them is lube them with WD40 when applying, and they are literally like a ratchet, they tighten the nuts on so tight, and they just don't budge. I was just thinking they might help with the back and forth with regen.
Yeah I'm a big believer in Nord Lock washers, the problem is that the axle, bolt and Nord Lock washer all move back and forth with regen. The Torque arm is doing its job... it's just that the pitiful small area of flat on the HS3540 just doesn't give enough grip.

Think I will turn regen off.
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Philistine » Oct 18 2011 9:59pm

@Spacey - I am hearing you about the HS axle, I find that not only is it roundish, but the steel seems very slippery if that makes sense. After spinning my HS axle in my Greyborg, I even managed to then spin it again in some home made torque arms I made up out of soft steel. The axle spun first go, and just slipped right through the softish steel. I now have four (2 each side) of the ebikes.ca torque arms holding my HS, and that is then augmented with hose clamps and other things. It is without doubt the most spin tending axle I have ever seen. THat was why I was waiting to see how you went before I tried these on my Borg, if you weren't using regen, do you think there would be no probs?

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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Spacey » Oct 19 2011 7:27am

I don't think there would be problems without regen, I love the controlled way regen brakes you though so it will be a shame to lose it.
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by waynebergman » Oct 23 2011 11:25pm

Doc I am ordering the epoxy you recomend here but the supplier has only off white. Is that OK? I am assuming it is for cosmetics only you are recommending the black?

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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Doctorbass » Oct 23 2011 11:35pm

waynebergman wrote:Doc I am ordering the epoxy you recomend here but the supplier has only off white. Is that OK? I am assuming it is for cosmetics only you are recommending the black?

Yes, the Off white DP420 is quite similar but is about 90% of the rating of the black one... but the black one is overkill so... 8)

Doc
CURRENT PROJECT: 2WD duo MXUS/Max-E ebike 32kW
http://endless-sphere.com/forums/viewto ... =3&t=65764
-Fastest speed record 117 km/h on flat
-Fastest 1/4 mile@ 114km/h on flat and 16.316 sec
-Succeded to haul a 19200 pounds schoolbus!
113kmh Gianthttp://www.evalbum.com/3406
Mongoosehttp://www.evalbum.com/1947
YOUTUBE---https://m.youtube.com/user/Doctorbasss
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by LI-ghtcycle » Oct 26 2011 12:39pm

These sound really good! Do you make multiple sizes? I think the derailleur side for my NuVinci axle is the same as the standard for a 9C, but the opposite side is a 10MM axle with 8MM flats, but if not, I can just get those custom made, just curious. :)
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Doctorbass » Oct 29 2011 10:18pm

Last batch of 40 T-A set is SOLD OUT

Just a little survay,

Do you wish me to make a new batch for the E-S again?

Doc
CURRENT PROJECT: 2WD duo MXUS/Max-E ebike 32kW
http://endless-sphere.com/forums/viewto ... =3&t=65764
-Fastest speed record 117 km/h on flat
-Fastest 1/4 mile@ 114km/h on flat and 16.316 sec
-Succeded to haul a 19200 pounds schoolbus!
113kmh Gianthttp://www.evalbum.com/3406
Mongoosehttp://www.evalbum.com/1947
YOUTUBE---https://m.youtube.com/user/Doctorbasss
http://twitter.com/DocbassMelancon
I speak FRENCH and english

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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Xanda2260 » Oct 30 2011 2:42am

Hell yeah Doc! I'll be needing more of them for further projects, so you keep on making 'em.

Cheers
Alex
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Re: Doc's ULTIMATE TORQUE ARMS will fit most of the frame UP

Post by Drunkskunk » Oct 30 2011 4:34pm

Doctorbass wrote:Last batch of 40 T-A set is SOLD OUT

Just a little survay,

Do you wish me to make a new batch for the E-S again?

Doc
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