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    Re: Motorcycle engines and car transmissions....why ain't it done?
    #21
    Millenium Member nutz4sand's Avatar
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    In post 21 at this link:

    https://www.minibuggy.net/forum/drive...mission-3.html

    Where you show the pic of the gears sunken in the case. Does the case have a bearing behind the third gear. Also do you have a pic of how this is connected to the tranny from above?
    Now that NOBAMA has PROVEN he is the absolute WORST president in the history of history Jimmy Carter can thank him for stealing the dunce crown.

    Lets hope the next guy repeals NObama care along with the rest of the stupid crap this blight on our windshield has done.
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    Re: Motorcycle engines and car transmissions....why ain't it done?
    #22
    Millenium Member nutz4sand's Avatar
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    I gotta go make my rounds (at work yah know) Might not tonight right away but gonna show a bit of what I think the way it should be done. I need to at least build a test bed and prove it right or wrong.

    In fact I need too start seeking some parts. Right now I wish to find a driveshaft setup for a Haybusa.

    Anyone got one they wanna sell? I need it for this!
    Now that NOBAMA has PROVEN he is the absolute WORST president in the history of history Jimmy Carter can thank him for stealing the dunce crown.

    Lets hope the next guy repeals NObama care along with the rest of the stupid crap this blight on our windshield has done.
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    Re: Motorcycle engines and car transmissions....why ain't it done?
    #23
    Senior Member whitedragon64's Avatar
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    Yeah that case had 6 bearings in it
    Doesnt show there as it was some mock up pics as I went

    And no sorry all the pics i had and my early builds crashed in my old PC

    as for side loading only what the bearing play would be
    Hence why I didnt have input failures after this
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    Re: Motorcycle engines and car transmissions....why ain't it done?
    #24
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    I know of a T'busa using 091 tans, custom adapter plate, and a Ramsey chain to connect bike to input of trans. Theres a Guibo style cush drive in there too. All sealed, using trans gear oil thruout. 4+yrs no problem. 1800lb car and he loves hammer thru the whoops.
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    Re: Motorcycle engines and car transmissions....why ain't it done?
    #25
    Senior Member SamR's Avatar
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    Quote Originally Posted by whitedragon64 View Post
    Yeah that case had 6 bearings in it
    Doesnt show there as it was some mock up pics as I went

    And no sorry all the pics i had and my early builds crashed in my old PC

    as for side loading only what the bearing play would be
    Hence why I didnt have input failures after this
    No offense but...

    Quote Originally Posted by whitedragon64 View Post
    Haha production easy mate long way off that ... Just got to get something to hold together , Been a long hard slog so far

    Started of Chain drive wrapped around a diff hemisphere = Busted chains

    Then the Honda Civic Trans Chain drive = over heating = busted chains

    Then gear train to Civic Trans = again over heating issues

    Then oil pump fitted to Gear train through oil cooler = 2 destroyed Civic Box's

    Then the FNR box with Chain Rev into a BMW diff = destroyed the diff

    So in goes a 6 cyl BMW diff was a 4 cyl diff = Busted rev chain

    So rebuilt the FNR with all gear drive for Rev = overheating issues again

    Then fitted oil pump and cooler to it was working great = BMW Coupling fails

    Rebuild Coupling billet alloy with neoprene bushes = pin fell out rev gear and jammed up everything

    So not from lack of trying If this doesn't work I think its time for Lawn Bowls

    You break EVERYTHING . Did you manage to get your new box sorted out after that gear shed it's teeth? That thing would be sweet if it held together.





    This is how my new setup is looking. The box should be done in a few weeks, then I just have to finish the rest of the buggy to go test it

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    Re: Motorcycle engines and car transmissions....why ain't it done?
    #26
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    ^You got any pics of how you setup the shaft?
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    Re: Motorcycle engines and car transmissions....why ain't it done?
    #27
    Senior Member SamR's Avatar
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    This is the only other I've got on my phone at the moment. I can take more when I get home if you want, it's all sitting in bits on the bench right now.




    It's 3/4 aluminum plate levelled to the input shaft and welded to housing after most of the bell housing was removed. The bearing plate is centered on the input shaft then reamed and doweled together. I cut the pilot bearing surface off the input shaft to make room for the outer shaft, the rest of it is all stock. Pressed the splined section out of the clutch disc, machined half of it down to fit into the bearing, the other half is pressed and welded into a weld-on sprocket hub. The other end of the weld on hub was opened up a little and a shaft pressed into it that goes to the outer bearing. The two plates on either side of the chain are piloted on that lip on the bearing plate and through bolted with spacers, the other end of the plates are attached to a shaft running through the swingarm mount on the motor.
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    Re: Motorcycle engines and car transmissions....why ain't it done?
    #28
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    Yeah I'd like as many as you can muster. It's something I'm looking at doing myself so I'm farming for as much beforehand knowledge as I can get!
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    Re: Motorcycle engines and car transmissions....why ain't it done?
    #29
    Senior Member whitedragon64's Avatar
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    Hi Sam
    Yes mate Im very hard on the gear had 2 busa's let go also



    With your set up Im concerned with the chain length
    What Hp are you pushing into it ?
    high speed runs probably will cook the chain
    Even have a look at what the RPM set ups have they lay the box as far back as possible to gain some chain length

    You are almost there with encasing the chain then oil bath it
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    Re: Motorcycle engines and car transmissions....why ain't it done?
    #30
    Senior Member SamR's Avatar
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    150hp. The chain is definitely shorter than I'd like. It was a bit longer before and I already had problems cooking it, however it was geared really low, only did about 110-120kph on the limiter. In the tigher trails where I was more in 2-3-4 I didn't have too much of a problem but wide open in 6th I could weld links together in half an hour (non o-ring chain because it was free) Never did manage to break one though. I'm hoping I can just stick the honda box in a higher gear for the open sections to keep the chain speed down a bit which will should help.

    It was designed with enclosing it in mind. The plan is to slap it together and run it as is to see how it lasts. If chain heat is my only problem I'll be stoked, and it won't be much more work to put the chain in an oil bath.
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