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  1. D

    Building out a BBSHD fatbike

    Well, long ago I started building my own fatwheel bomber style aluminum frame with shinko 21" enduro tires at techshop. If anybody was a techshop member you know how that ended :twisted: , well I lost a lot of stuff in the mad rush out frame/fork. When I started it in 2013 fat bike stuff was...
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    Unstealthy bomber : The Aluminum Overcast

    Well I'm on a new build, no more with RC builds I've stepped up to the cromotor v3 :D But onward.... (also noticed I cant spell aluminum for some reason) :lol: I've loved the design of the stealth bomber downside I don't have the cash for one. :cry: Now I love the design but it simply...
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    Maxium torque turnigy 80-100 130kv?

    I'm trying to figure out if I have enough gearbox for my latest bad idea :D I have two 80-100's 130kv that I'm going to press the motor shafts out of and then press one long shaft between both motors. Clocking them so the magnets and coils are aligned so that I would have essentially one big...
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    Which right angle gearbox for a 80-100?

    Well I'm getting rid of my MPIII and going to RC drive the plan it is to use two 80-100's I'm going to press out the origninal drive shaft and put both motors on one chromoly shaft. I will run that into a right angle gearbox (here is were I need some help) on the output of the gearbox I'm going...
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    Good controller for two 80-100's ?

    Well I'm in a bit of a project with two 80-100's on a single shaft driving my crank through a neugart wple80 right angle gear box now I need to find a controller. I'm going to run each motor one the same shaft, going to press out the current ones and press in a longer one that will run between...
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    Nuvinci with dual 80-100 build am I crazy...

    Well I got the bug again :D My current magic pie 3 with the lyen 12fet isn't cutting it (speeds great hill climbing not so much) Then I though I have these three 80-100 130kv's laying around, I ordered a developer kit Nuvinci a while back. And I have my diamondback XTS frame so I think it time...
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    Who still has a source for 80-100 motors?

    I have a couple of projects coming up and I need a source for those wonderful turnigy 80-100 motor hobbyking stopped carrying (even though their still listed in the latest catalog they sent me :x ) I know there has to be source out there somewhere. I'm making a mini electric winch/climbing...
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    brake switch for hayes 9?

    Well I've been racking my head trying to find a hydraulic brake switch that would work with my hayes nine brakes on my XTS the hayes use DOT 4 so the magura brake switches are out since there mineral oil. And I really dont want to buy a new brake setup like the tektro dorado, etc (I just took a...
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    Diamondback XTS with a Magie Pie III I name thee MagicBack..

    Or maybe DiamondPie... :P Well I got a new bike to replace my DiamondBack Response that I had with a Yescomusa 48v 1000watt hub on it. I think the hub was a PRO901, ( I have that for sale sans batteries) Since I'm putting the batteries on my new Diamonback XTS, That I scored that from a...
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    New bike HS3540 or MagicPie3 ?

    Well I previously had a diamondback response with a 48v 1000w yescomusa kit on it running off of 12s3p 15ah 30C zippy lipo pack. I liked it, but hard take and pothole streets and junk fork made for a hard ride. But then a deal I couldn't pass up came by in the the way of a $300 diamondback XTS...
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    Disc brake adapters?

    I'm wondering is there any source of 44mm iso pattern disc brake adapters for the left hand thread on a hub motor? The reason I'm asking is I bought a 1000w goldenmotor hub and then got a brake adapter here: http://www.scooterpartsdepot.com/web_electric/brake_disc_6hole_adaptor.htm And then...
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    onboard lipo charger?

    I'm thinking of a new lipo setup for my GM motor I'm guessing a total 12s2p(or4P) from two 6s packs(still deciding on which are the best/cheapest on hobbyking). Now I've got some 0.083" aluminum diamond plate I'm going to make my battery box out of for my diamondback response and the way I'm...
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    Does this look like a Yescom/GM hub? Is is a good deal?

    I'm setting my bike up for a rear hub now(diamondback response), I originally was going with RC motor setup but since I found a much more interesting project for my 80-100's, lipo's, and turnigy HV160 clones ---> http://www.youtube.com/watch?v=KGvibmr2CIU So I'm going with a rear hub, cheap is...
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    Build planning - Turnigy 80-100 180kv info?

    I'm planning a new build now that I got a new frame, diamondback response (needs a new fork though). I am planning on using a Turnigy 80-100 180kv or 130kv depending on the 'sweet spot' in the power curve for the motor. The target speed is a max of 35mph, as part of the gearing I have a strumy...
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    Its not a planetary............ so what is it?

    Well its been a while! A few months back I found what I thought was going to be a cheap 33:1 planetary gearbox at harbor freight but now that I've found it(it was in my camping gear somehow) and taken it apart I don't know what kind of gear box it could be. First you turn the input 33 times...
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    A right angle gearbox?

    I'm re-rebuilding the ebike again, the plan is to mount the 1hp scott motor to the frame down tube and use a single or 2 speed right angle gearbox to run the motor to the crank and use a free wheel front. Here is crude drawing (paint I know) of what I was thinking of a set of either straight...
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    100% all the time ESC ?

    I got talked into a project for a friend, to make him a small electric chainsaw to replace his gas saw, he's a arborist and has asthma so the fumes are not so good when he is 100 feet up in a tree. I've dug up a couple dewalt 36v packs for the A123s and have a HXT 64-73 from another project I've...
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    Gear ratios for outrunner motors?

    I've been looking at quite a few RC motor builds recently and I'm thinking bitting the bullet and starting one. In most builds I've seen either a huge rear sprocket like 80-150T driven by a 10-16T or double reduction gear boxes like in Bubbas build. So what is the usual gear ratio more people...
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    Over volting EVGlobal bike?

    I was just give a free! :D 24V EVglobal with the heiznmann hub! I needs alot of stuff, new fork, seat, the farings are trash but, never mind that I like the exposed wire mad-scientist look! So anyway the battery pack is toast, and I have three B&B 15ah SLAs laying around and I thinking about...
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    Power transmission through a 3 speed hub?

    I've had my ebike set up with a 11.75 gearing and a 1hp scott motor and it will pull up any of the hills around here. But its a dog on the flats 20-22mph is about max. So I though about changing out my current jack shaft for a sturmey-archer AW 3 speed hub. With the hubs 1.3 - 1 - 0.75 gearing...
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    Largest single speed freewheel / cassette?

    I am changing the my motor over to a new bike and I need to change the sprockets. Currently on my ebike I use a 56T sprocket on the left side (cant use it on the new bike because of the disc brake) driven by a 9T on a jackshaft which is driven by a 20T free wheel which is driven by a 9T on the...
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    Upgrading to a new bike..maybe?

    Well after a cold afternoon ride I found my old diamondback is not cutting it, the brakes, cassette, shifters, and front rim are all worn out, plus the fact there is no supension. Its getting too old to upgrade, Its time for a new bike, I was looking at the local craigslist and saw a jamis...
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    Need to update my old 1" frame

    After riding around my e-bike for the last few days I found my old non-suspension diamondback wildwood isn't cutting it. I dont want to upgrade to a new frame just yet( I just bought it in '99) I stopped by my local bicycle shop an got a set of studded high grip pedals (was slipping off my...
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    Transporting your ebike?

    I'm going to be using my ebike at work soon , we have building stretched out over a larger area of the industrial park(got to setup our new network so I'm going to be running from building to building, I cant commute in with it to work and still have charge left over to move around. So I thought...
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    An electric quadracycle

    I got this idea to make a four wheel ATV- eske ebike like Seaways centaur prototype but with the ability to be pedaled probably with a 5 speed setup using four hub motors( maybe 408's ?) on 20 or 24 inch wheels. It would be great I think, but the huge problem is transfering the rear wheels I...
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