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» RB Concept Forums » RB Concept .28 engines » Pull start TM728 - Bump Start

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Author Topic: Pull start TM728 - Bump Start
reecek
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Hi Rody, is it possible to modify the TM728 to run without the pull starter ? if so what are the parts that I would need ?
Posts: 89 | From: jamaica | Registered: Sep 2004  |  IP: Logged
RB Products - Rody
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Yes, this is possible however you need good tooling and craftmenship to do this.

You need to cut a part of the big-end of the crankshaft to allow the normal backplate(#01900-120) to take place.

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Posts: 5412 | From: Allevard, FRANCE | Registered: Jul 2002  |  IP: Logged
reecek
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hmmm, rody, I'm not sure I'm up to trying that, is it possible for me to just buy that part instead of havinig it cut ?
Posts: 89 | From: jamaica | Registered: Sep 2004  |  IP: Logged
RB Products - Rody
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You could also use the bi-turbo crankshaft(#01900-071) of the TM928 and its backplate(#01900-120) but it would be rather expensive. Better then to have a TM928 with all the power that comes with it.

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Posts: 5412 | From: Allevard, FRANCE | Registered: Jul 2002  |  IP: Logged
reecek
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hmmm that sounds very tempting rody!
needed an excuse to try the 928
Posts: 89 | From: jamaica | Registered: Sep 2004  |  IP: Logged
reecek
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Well Rody, I got another TM728 and the backplate and did the modification and it works great!
Only problem is the bump starter has a problem turning over the TM too much compression for it, have to warm the motor up with a blow dryer before then it works. I've put this in a modified hpi rs4 t runs but that little fuel tank goes very quickly! but the car is amazing when it runs!!
Thanks for the advise Rody
Posts: 89 | From: jamaica | Registered: Sep 2004  |  IP: Logged
RB Products - Rody
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The starting should improve once the engine is run-in completely.
Enjoy.

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Posts: 5412 | From: Allevard, FRANCE | Registered: Jul 2002  |  IP: Logged
   

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