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Motorcycle Forum / General / Racing / September 2008



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250GP to 600

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Julian Bond - 04 Sep 2008 07:31 GMT
Just in passing amid all the other stuff that happened this summer.

There was a deadline for proposals from manufacturers for 600-4 based
machines to replace 250GP. The deadline came and went with *no*
proposals from anyone.

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Howard Kveck - 04 Sep 2008 07:43 GMT
> Just in passing amid all the other stuff that happened this summer.
>
> There was a deadline for proposals from manufacturers for 600-4 based
> machines to replace 250GP. The deadline came and went with *no*
> proposals from anyone.

  Wow, you'd think Honda would have something. DOA?

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Bummers - 04 Sep 2008 13:00 GMT
>> Just in passing amid all the other stuff that happened this summer.
>>
[quoted text clipped - 3 lines]
>
>    Wow, you'd think Honda would have something. DOA?

Didn't i see a Moriwaki "concept bike" somewhere?
Oh yeah...
http://www.fasterandfaster.net/2008/07/motogp-moriwaki-start-work-on-their.html
Alexey - 04 Sep 2008 16:11 GMT
> > In article <5OiQ1NmrC4vIF...@jblaptop.voidstar.com>,
>
[quoted text clipped - 8 lines]
> Didn't i see a Moriwaki "concept bike" somewhere?
> Oh yeah...http://www.fasterandfaster.net/2008/07/motogp-moriwaki-start-work-on-...

It wasn't a real bike in the sense that no one turned a lap on it, as
far as I know, no one submitted it as a proposal, and it was always
accompanied with a "this is just some parts we threw together to get
people thinking" disclaimer.
Henry - 05 Sep 2008 02:21 GMT
> Just in passing amid all the other stuff that happened this summer.
>
[quoted text clipped - 7 lines]
> Personal WebLog:    http://www.voidstar.com/    skype:julian.bond?chat
>                             Serve Over Fish

I think some of it must come down to a cost benefit thing. They have
Moto-GP for the bleeding edge 4-stroke stuff, and Superbike (etc) for
proddie based stuff.
The stink-wheels just need to clean up, maybe run them on organic soy
based ethanol or cow sh.t based methanol?
Howard Kveck - 05 Sep 2008 02:53 GMT
> > Just in passing amid all the other stuff that happened this summer.
> >
> > There was a deadline for proposals from manufacturers for 600-4 based
> > machines to replace 250GP. The deadline came and went with *no*
> > proposals from anyone.

> I think some of it must come down to a cost benefit thing. They have
> Moto-GP for the bleeding edge 4-stroke stuff, and Superbike (etc) for
> proddie based stuff.
> The stink-wheels just need to clean up, maybe run them on organic soy
> based ethanol or cow sh.t based methanol?

  From what I remember, it was the manufacturers that had suggested this, mostly
Honda. Honda really doesn't like 2 strokes and never have.

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                  The bloody pubs are bloody dull
                  The bloody clubs are bloody full
                  Of bloody girls and bloody guys
                  With bloody murder in their eyes

                    remove YOUR SHOES to reply, ok?

Jerry Houston - 05 Sep 2008 02:58 GMT
>    From what I remember, it was the manufacturers that had suggested this, mostly
> Honda. Honda really doesn't like 2 strokes and never have.

I still think it should be 400 cc four-strokes.  Why go to 600 cc and
back down later, like the 990's backed down to 800's?
Bummers - 05 Sep 2008 11:51 GMT
>>    From what I remember, it was the manufacturers that had suggested
>> this, mostly Honda. Honda really doesn't like 2 strokes and never have.
>
> I still think it should be 400 cc four-strokes.  Why go to 600 cc and
> back down later, like the 990's backed down to 800's?
Yes - Why not 1/2 capacity of the class above - stick with the same no.
of cylinders as now
- 440 4-stroke twins replace or race with 250 2 strokes twins
- 220 4 stroke singles replace or race with 125 2 stroke singles

and later
- hydrogen fuel cells & electricity
Julian Bond - 05 Sep 2008 12:16 GMT
Bummers <bummers@internode.on.net> Fri, 5 Sep 2008 20:51:24
>Yes - Why not 1/2 capacity of the class above - stick with the same no.
>of cylinders as now
>- 440 4-stroke twins replace or race with 250 2 strokes twins
>- 220 4 stroke singles replace or race with 125 2 stroke singles

We've all been round this before.
- There's not enough money around for 400-500 twin and 200-250 single
prototypes. KTM want this, Aprilia may want this, the Japanese factories
apparently don't want this.
- Modified production engines in prototype chassis might work; Honda
were pro the idea and may have been pushing it; KTM and Aprilia didn't
want it; It may fall foul of Flamminis world Supersports agreement with
the FIM on production based formulae. And now apparently nobody wants to
step up to the plate and be part of discussing the detail of the rules.

>and later
>- hydrogen fuel cells & electricity

Who knows where GP will be in 25 years. TTXGP http://ttxgp.com are
talking about a one lap "race" round the Isle of Man next year for M/C
that don't use a hydrocarbon fuel. But they're unrealistic and screwing
around with full FIM/ACU M/C regs plus a bit of electrical safety.
Electric drag racing seems to be growing in the USA. There's also some
kart and open wheel racing in the UK using electrical power.

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Bill Smith - 06 Sep 2008 21:18 GMT
>>    From what I remember, it was the manufacturers that had suggested this, mostly
>> Honda. Honda really doesn't like 2 strokes and never have.
>
>I still think it should be 400 cc four-strokes.  Why go to 600 cc and
>back down later, like the 990's backed down to 800's?

If they have to use production engine castings, development will be
limited and power won't get out of hand. 600s are quite popular in the
marketplace so a premier class based on them would be a good idea,
IMO. I think the factories in Japan would rather not have to compete
in it, though, because in MotoGP they already have plenty of
opportunities to spend money.

                                                      Bill Smith
 
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