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Thread: Bore/CC mesurment ques

  1. #16
    Join Date
    Oct 2002
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    simple formula

    Listen up. The reason for understanding the formula for finding cc's are as follows:

    1. Just remembering simple formula for area of a cylinder.

    2. This formula can be used to find the volume of any cylinder.

    3. Part of the formula can be used to find the area of a circle.

    4. The hardest part of trouble-shooting is understanding how things are supposed to work, ie: If you dont understand the formula, how do you know its correct?

    Volume of cylinder (V) = Area of base X Height = (Pi) X r^2 X H

    Area of base = Area of Circle = (Pi) X r^2

    Pi = 3.14

    r = radius = 1/2 diameter = 1/2 engine bore.

    H = height = Stroke

    Be sure to convert to centimeters for CC's.

    CC's = (3.14) X (1/2 bore)^2 X Stroke
    83 YT 175
    85 ALT 125

  2. #17
    Studytime is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Nov 2004
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    Hey, that's a very clear way to lay it all out.

    Like you said, if you're just plugging numbers intoa formula how do you even know if you're right.

    Studytime

  3. #18
    Join Date
    Feb 2003
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    Australia
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    Where is the problem with the nice simple method of working out CC's? It does work, no question. The guy is not troubleshooting, he just wanted to know the CC's of his friends trike, not get brain damaged and try and work out the world's problems.
    K.I.S.S keep it simple stupid.

  4. #19
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    yes greenhuman i like that K.I.S.S if it sounds right it must be right lol
    1985 Tri-Z-

    Quote Originally Posted by mywifeknowseverything
    Just hit the Freakin Gas and Hold on!!!!!

  5. #20
    Studytime is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Embrace learning. You'll go places!

    Studytime

  6. #21
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    yes i know, i understand your point of view and greenhumans too, i have learnd alot from this post and i thank you ppl for helping me
    1985 Tri-Z-

    Quote Originally Posted by mywifeknowseverything
    Just hit the Freakin Gas and Hold on!!!!!

  7. #22
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    I've already been places. If your version of going places means tossing around gobblydock confusing poor blokes when all they need is simple straight answers to simple straight questions, I don't want to go there anyway.

  8. #23
    Studytime is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Quote Originally Posted by greenhuman
    I've already been places. If your version of going places means tossing around gobblydock confusing poor blokes when all they need is simple straight answers to simple straight questions, I don't want to go there anyway.
    Well, I didn't mean to confuse you there "greenhuman". The "poor bloke" you spoke of caught right on (see below).

    Quote Originally Posted by My trike Sucks
    ... i have learnd alot from this post and i thank you ppl for helping me
    Also, a defining moment in an engine builder's life is when he realizes that it takes more than just being a gearhead to design/build good motors. It requires more learning than a set of wrenches and an engine will give. Again, the operative word there is learning .

    On another note, glad to see you've already been places. When I say that atleast I'll understand what the tour guide is saying. I came up with this analogy, you go on tour of the Holy lands only to stand with your mouth open wondering just what the heck your hebrew tour guide is telling you.

    I go and get an english speaking tour guide.

    The goodnews is that it's not too late greenhuman. Not too late.

    Studytime

  9. #24
    Join Date
    Nov 2004
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    I'm kinda new here, but I've been reading this thread and decided to put in my 2 cents.

    Sometimes its nice to keep it simple, but if we all did that where would we be. Lord knows we don't want to confuse anyone with this 5th grade level math; grow up! It is extremely important to know where numbers come from and not just the easiest way to get them. "keeping it simple" also makes it easy to have eroneous answers (or 'wrong answers' for those I don't want to give a headache).

    There it is, like it or not. Just keep in mind this is my opinion, and everyone has one. The only differnce is that mine is right!
    Last edited by mwill15; 11-30-2004 at 01:10 AM.

  10. #25
    Join Date
    Nov 2004
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    Quote Originally Posted by greenhuman
    I've already been places. If your version of going places means tossing around gobblydock confusing poor blokes when all they need is simple straight answers to simple straight questions, I don't want to go there anyway.

    "gobblydock;" WTF!?
    '01 406ex, 11:1 compression, ported & polished.
    LOTS of Honda 3-Wheelers!

  11. #26
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    Thanks; Now I completely understand what he was saying.
    '01 406ex, 11:1 compression, ported & polished.
    LOTS of Honda 3-Wheelers!

  12. #27
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    Nerd Alert !!!

  13. #28
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    WOW! That was mature.

    I guess I have to drop out of college now so that I am not labeled a nerd.

    P.S. (just for greenhuman): College is where people go to further their education. Can you believe that, there are actually people who want to learn, and go out of their way in order to do it!
    '01 406ex, 11:1 compression, ported & polished.
    LOTS of Honda 3-Wheelers!

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