Posted by Greg.Procter on October 22, 2009, 11:09 pm
On Fri, 23 Oct 2009 15:36:43 +1300, little man upon the stair
>> Adapting "X" axle and wheel to "Y" forks is no problem.
>> I could equally design completely new forks and machine them,
>> but if existing forks could be shortened it would cut costs drastically.
> You'd have to adapt a smaller diameter scooter wheel (maybe a 12~14
> incher) to any motorcycle fork that you might find.
> The typical small motorcycle front wheel just wouldn't fit under the
> front "fender" of an NZeta...
"fender"? is that like "mudguard" or "front bumper"?
The dividing line is the chrome strip - petrol tank above, metal below
is frame. (well, upright sheet metal, rolled bottom edge, "L" top edge)
There's 6"/150mm of wheel travel and still several inches of extra space.
Posted by Schiffner on October 13, 2009, 4:02 pm
Boy are you stupid. It's a motor-scooter NOT a 125cc street bike you
stupid git.
Posted by paul c on October 13, 2009, 8:58 pm
Schiffner wrote:
>
> Boy are you stupid. It's a motor-scooter NOT a 125cc street bike you
> stupid git.
>
Some scoots, such as a Honda CH250, could probably handle small bike
forks if the right sized races could be found, the fairing and inner
bodywork would probably have to go and then it would be a rat scoot.
Posted by Greg.Procter on October 22, 2009, 10:19 pm
wrote:
> On Oct 11, 9:06 pm, totallydeadmail...@yahoo.co.uk (Looking for an
> Argument, Neil Murray) wrote:
>> Or you could do what I suggest, which is raise them through the yokes.
>> As long as you don't mind maybe a couple of inches of stanchion poking
>> up.
> I don't feel like instructing Greg about the importance of matching
> the front spring rate(s) to the rear spring rates and why that's
> important to the overall ride comforts as well as traction balance.
> And, if he found a set of forks for a more modern motorcycle which
> used a 17-inch front wheel, he would still have a handling problem
> because the rear wheel is probably a 12 or 14-incher.
> The rider of a two wheeled vehicle with such a wheel/tire diameter
> mismatch feels like the bike doesn't "want" to turn into a corner and
> then it feels like the rear end is falling out from under him is the
> turn.
Let's put it this way - I started tuning bikes in the mid 60s,
started building frames and engines in the late 1960s. Racing bikes
1969. (eyesight not up to racing speeds so I retreated to building/tuning)
End of 1970s m/c accident ended m/c career.
1990s worked with John Britten on engine concepts.
I can design a motor, I can design a frame.
I don't know the current and recent motorcycles.
I don't have deep pockets.
Have lathes and mills, CNC and conventional.
Regards,
Greg.P.
Posted by little man upon the stair on October 22, 2009, 10:33 pm
> 1990s worked with John Britten on engine concepts.
I saw Stroud race the Britten at Daytona and Laguna Seca in 1994.
It was an awesome piece of machinery that gobbled up other motorcycles
like Pac-Man gobbling yellow dots...
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>> I could equally design completely new forks and machine them,
>> but if existing forks could be shortened it would cut costs drastically.
> You'd have to adapt a smaller diameter scooter wheel (maybe a 12~14
> incher) to any motorcycle fork that you might find.
> The typical small motorcycle front wheel just wouldn't fit under the
> front "fender" of an NZeta...