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Old 30-05-2009, 01:00 PM
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harris harris is offline
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Default Got my hydraulic throttle done.

Following on from my project threesome thread, some info/pics on my hydraulic throttle conversion.

Finally got it done. Twas waiting on brake bits from mate, block off adaptor from other mate, one-off 3 1/2 metre long brake line, and some hairy twat to stop riding the thing long enuf to do owt.

Mounted off the rear engine cage as solid, and nowhere suitable on engine to mount off. Yeah engine is rubber mounted and moves few mm side to side, but doesnt affect owt. Gives easy access for adjustment/bleeding, etc too.

Block off adaptor for inlet of rear brake m/c I used as hydraulic actuator kept blowing off with pressure snapping the retaining bolt. In the end I put a big ass jubilee clamp round body of m/c which holds it solid under pressure.

I`ll beautify it up at somepoint with lick of paint or a nice polished alloy coverplate. Works tho.



For the other end I looked at all sorts of rocker arrangements off old throttle assembly to work as twistgrip, but wasnt happy with complexity or looks of them. Was gonna go thumb throttle, but again didnt feel right. In the end went for standard lever setup on left bar. Made sense to me. Only time I take hands off bars is to change gear which I dont need throttle for anyway. It was a brake m/c so with some carefull grinding, etc swapped dial adjuster round to other side and mounted it upside down on left bar end. Clutch m/c units were pricey n me mate had a brake one.



Used to find with twist grip that when you took your hand off left bar to change gear and hit a bump because your only hand on bars was right hand on throttle grip the revs would go all over the place n shoot you forwards. This setup works well for me tho. Super light action, can be pulled fully in with pinky finger easily so fatigue shouldnt be problem on long hauls. Drives itself on tickover in 4th gear at 45-50mph with hand off throttle anyway. lol.

Jumoed on it to road test n automatically reached for twistgrip. Doh! After 1/2 mile tho my brain adjusted. Works well tho. Smooth/lightweight action and really quick throttle response. Pretty happy with it and should save me snapped cables all the time in the middle of nowhere.

Oh yeah to all those folk on other forums that said I was crazy and it wouldnt work hence it hadnt been done before......
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Old 30-05-2009, 02:00 PM
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Brilliant stuff
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Old 30-05-2009, 04:29 PM
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Quote:
Originally Posted by harris View Post
Oh yeah to all those folk on other forums that said I was crazy and it wouldnt work hence it hadnt been done before......

Thats reason enough to do it!!

Excellent job
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Old 21-06-2009, 03:28 PM
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Now that is a damn good idea. Those who thought it couldn't be done are obviously quite thoroughly mad.

You have a PM Sir.
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Old 22-06-2009, 11:20 AM
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You're too bloody clever by half, Jon.
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Old 23-06-2009, 08:00 AM
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Looks like you`ll be seeing more of these in the future. NABD have been in touch n want to start doing the conversion to help folk back on the road.

As for being clever.........hmmm dunno. Just an idea I had out of neccessity. Pretty simple really, but I do have a degree in industrial engineering which helps a bit. Wish I had the money to realise the crazy ideas I have in my head................
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Old 23-06-2009, 10:25 AM
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The NABD is always looking for simple solutions to help folks enjoy biking and triking again. That Hydraulic set up has the potential to help loads of people. It's simple and easy to fit as well as being extremely versatile IMHO.

Cheers Harris, yer a star.
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Old 23-06-2009, 11:19 AM
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100% respect ! ...you clever clever so and so......gobsmacked....
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