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Lowtechs E-Bike Project |
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Eric1180 
Platinum (US) USERID: 48018 HobbyKing aficionado 
Joined: 26/Feb/2009 Location: La Vernia,Texas Online Status: Offline Posts: 1061 |
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 Posted: 13/Mar/2010 at 11:53am |
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When in doubt double wrap...
 My dad has like $10,00 worth of bikes he is like a jet guy .. but with bikes lol. He has a couple of tires for his stationary bike that are more rugged. I will ask him the brand.
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°^7\
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tommo85
Platinum (AU) USERID: 279562 HobbyKing aficionado
Joined: 17/Jan/2010 Location: Brisbane Online Status: Offline Posts: 320 |
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Posted: 13/Mar/2010 at 3:34pm |
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As a mad keen armature cyclist on principle I have to disagree with this whole Idea.
Is this for a Road/Race bike, Hybrid, or a Front/Full Suspension MTB? I would not recommend trying at all on a Road Tyre. Hybrid tyres are better, as are MTB tyres, however a MTB tyre with the Knobblies are going to create dramas, On my Hybrid I currently Have Schwalbe Marathon Plus Tyres, and I highly recommend, them, a nice flat semi slick tread, low resistance, rated for 70 or 75PSI, I run 80PSI front and rear. I think a tyre like this will be good, as you have a decent amount of tread thickness, however being a semi grooved slick they will still dispel water, without the problems of large knobblies bouncing your motor around madly. This might sound really bad, but is 40 fast enough, I pedal on flat-ish ground on a hybrid and sustain an average of 42 for sustained distances. No faster than pedaling. Go for a bigger motor IMHO
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You mean people actually fly a heli not using Idle Up 2? Wow, Learn something new every day.
Experience is a hard teacher. First comes the test, then the lesson. |
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tommo85
Platinum (AU) USERID: 279562 HobbyKing aficionado
Joined: 17/Jan/2010 Location: Brisbane Online Status: Offline Posts: 320 |
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Posted: 13/Mar/2010 at 3:41pm |
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I just thought, this is driving the rear wheel?
I would mount it in front of the rear diagonal. Closest to your seat tube, if you mount it on the advancing side of your mount location it will have a tendancy to pull down into the tyre under load keeping its drive, and not slipping, the only time you should have a problem with wear is if the motor slips and loose traction on the tyre surface, and then it would be like hitting your tyre with a poly-fan (I am not sure what they are called else where in the wold however it is a disk for an angle grinder, with some for drills made out of a still base, and about 100 pcs of emery paper (Aluminium oxide sand paper, on a cotton reinforcing). Used to dress up steel aluminium and stainless to a nice semi buffed finish, or to remove a lot of material in a hurry.) I think if you mount it on the other side of the diagonal brace, where normal clincher brakes are mounted, it will have a tendency to pull itself up and away from the tyre, and all that nice knurling will kill your tyre.
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You mean people actually fly a heli not using Idle Up 2? Wow, Learn something new every day.
Experience is a hard teacher. First comes the test, then the lesson. |
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sillyman
Gold (AU) USERID: 430186 Newbie 
Joined: 11/Mar/2010 Online Status: Offline Posts: 1 |
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Posted: 14/Mar/2010 at 7:48am |
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You should try a small car alternator just give field just enough voltage
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jaank
Platinum (EE) USERID: 210124 Newbie
Joined: 20/Mar/2010 Online Status: Offline Posts: 1 |
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Posted: 20/Mar/2010 at 6:40pm |
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I think that this kinda transmission is useless.
Prove me wrong. |
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AmmoJammo
Platinum (AU) USERID: 392876 HobbyKing aficionado
Joined: 07/Feb/2010 Location: Adel, Australia Online Status: Offline Posts: 859 |
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Posted: 20/Mar/2010 at 7:25pm |
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I'm interested to see how this goes :)
but have no idea what the previous two posters are talking about :p lol |
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steamhead
Platinum (US) USERID: 406464 Newbie
Joined: 12/Mar/2010 Online Status: Offline Posts: 11 |
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Posted: 23/Mar/2010 at 7:58am |
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Can you not leave the motor engaged when pedalling as well and recharge the batteries or will the motor not act as a generator like a regular perm magnet motor would???? Maybe a lipo problem with charging too......
Frank |
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lowtech
Platinum (AT) USERID: 304534 Bargain Addict! 
Joined: 27/Aug/2009 Location: Salzburg (AT) Online Status: Offline Posts: 73 |
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Posted: 22/Apr/2010 at 5:20pm |
No thats not possible because the ESC does not suport energetic recovery. |
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lowtech
Platinum (AT) USERID: 304534 Bargain Addict!
Joined: 27/Aug/2009 Location: Salzburg (AT) Online Status: Offline Posts: 73 |
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Posted: 18/Jun/2010 at 3:54am |
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hey guys some news on the friction drive front. The wear on the tire isn't a issue at all. The wear on the Friction barrel is the issue,
i will try some other options, a new barrel made of hardened steel is in production and i will try thick shrink tube on the old barrel. that was the negative point and now the pros the real maximum speed is 49 Km/h and the acceleration is crazy. Edited by lowtech - 18/Jun/2010 at 5:46pm |
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Fugitive_Bill
Platinum (AU) USERID: 55382 Hobbyking Addict 
Joined: 18/Mar/2009 Location: Australia Online Status: Offline Posts: 1561 |
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Posted: 28/Jun/2010 at 3:30pm |
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Lowtech,
Very impressive! How about some pictures of the completed setup on your bike? |
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