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Thread: is there such a thing

  1. #1
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    Default is there such a thing

    is there such a thing as a thottle cable amplifier?



    actually what i want to do, is turn a large movement into a small on, save me making a set of levers etc, if there is something you can buy to do the job?



    ta



    jon

  2. #2
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    Default Re: is there such a thing

    you can get 'quick action' twist grip throttles, often used on motocross bikes, some are only 1/4 turn to full throttle




  3. #3
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    Default Re: is there such a thing

    Here in the USA they are called "travel agents". I purchased a pair so I could experiment with puff ports. I suppose you could install them backwards to shorten the operating distance/play.



    http://forums.pelicanparts.com/showt...php?t=354473&h ighlight=travel+agent

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    As for the cable hand lever brakes for the foreward puff-ports, I found something called a "Travel Agent" which doubles the cable travel. This is something I need to finish the bow braking system. The amount of air and the braking or bow steering power will be slight, but it's a exercise in working with controls for me. Another first time experience, so it's going to be a little rough.



    http://www.performancebike.com/shop/...m?SKU=2647&amp ;amp ;subcategory_ID=5221





    http://sheldonbrown.com/harris/cable...are-brake.html





    An old guy reparing bikes at the "Student Bike Shop" said expect about one inch of travel. When I asked him about "Travel Agents" he said they are not in his catalog and he has never heard of them. He runs a budget operation and said I could get a pair of cable activated lever brakes with cables for around $30.00 which is less than I've seen on-line from the specialty shops.



    I need to get a strong spring (about 2" high compressed to 3/4") to keep the air dryer vent closed, that's next. I'm thinking a rubber or dense foam gasket may help keep the air seal.
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  4. #4
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    Default Re: is there such a thing


  5. #5
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    Default Re: is there such a thing

    I first found them on a UK website.



    Google it.

  6. #6
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    Default Re: is there such a thing

    You'll need about 4" travel for the Sev brakes...

    Ian

  7. #7
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    Default Re: is there such a thing

    this is for the lift engine throttle going to ditch what i have at the min and do it a bit differently.



    got an old break arm with a bit of tube on it, and it gives about 3" of travel (its a little wobbly tho), to a break lever on the handle bars, this drops the nose, i am going to fit a emergancy bit of string to pull if i need to wack it open and keep it open, if this fails!

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