Well that sure takes the murkiness of an electric bike out of the picture.
And a viable record as a target. Go for it Henry.
John
----- Original Message -----
From: "Dan Warner" <dwarner@electrorent.com>
To: "Henry Deaton" <hdeaton@verio.com>
Cc: <land-speed@autox.team.net>
Sent: Friday, January 12, 2001 1:50 PM
Subject: Re: Motorcycle front-end Geometry
> Henry & list,
>
> I see no restrictions in the rulebook against an electric motorcycle. When
> the electric classes were formed the body was left open. Now granted, a
> streamliner would seem to be the best tool for the job but there is
> currently no restriction as to what can be run. There is no rule stating
how
> many wheels must be used, so two would be as good as four or more. An
> electric Taurus at one tiime held one of the class records.
>
> The electric classes are set by weight, no other qualifier. Your bike
> weighing under 1000# would fall into the class one, E I, break. The record
> stands at 132 mph now. I see your bike as a viable contender.
>
> Dan Warner
>
>
> ----- Original Message -----
> From: Henry Deaton <hdeaton@verio.com>
> To: List Land Speed <land-speed@autox.team.net>
> Sent: Friday, January 12, 2001 9:39 AM
> Subject: RE: Motorcycle front-end Geometry
>
>
> > Hi Dale,
> >
> > I'm not planning on using a fairing mainly because just building the
bike
> > is about all I can handle this year. Maybe next year or the year after
> I'll
> > look at adding some streamlined bodywork. Also, even though there aren't
> > *any* classes for electric motorcycles yet (except maybe for
streamliners,
> > sort of a murky area in the rules, and an area where what the rules say
> > doesn't seem to be the same as how they get interpreted), the SCTA does
> > have classes for streamlined and unstreamlined motorcycles. What I'm
> > building is intended to be a special construction unstreamlined
> motorcycle.
> >
> > So, in spite of the complicated forks I'm basically trying to keep
things
> > simple and focus mostly on the powertrain this year.
> >
> > Henry
> >
> >
> > At 07:58 AM 1/12/2001 -0700, Clay, Dale wrote:
> > >Why aren't you going to use a fairing? Even if the fork is relatively
> more
> > >streamlined than a tele (not so sure), remember, you're sitting behind
> it.
> > >This could have better compliance than a tele at 450 and it could be
> > >somewhat lower, but again you'll be sitting behind it.
> > >
> > >With the limited travel and long wheelbase you will have I doubt the
> > >geometry issue and anti-drive will have much effect.
> > >
> > >Not trying to talk you out of building it, just making some
observations.
> > >I'd also seriously consider some streamlining.
> > >
> > >Dale
> > >-----Original Message-----
> > >From: Henry Deaton [mailto:hdeaton@verio.com]
> > >Sent: Thursday, January 11, 2001 3:44 PM
> > >To: List Land Speed
> > >Subject: Re: Motorcycle front-end Geometry
> > >
> > >
> > >The bike shown uses a draglink between the front forks and the
> handlebars.
> > >The main advantage I'm looking for is improved aerodynamics. Since the
> > >forks are solid, I can use streamlined tubing. I'm also hoping to keep
> the
> > >front of the bike lower than I could with standard forks. Ideally I'd
use
> > >some kind of hub-center steering, so the Hossack is a compromise that
> > >should be more aerodynamic than telescopic forks and also simpler,
> easier,
> > >and less expensive to build than a hub-center front end.
> > >
> > >The design has some other advantages too, like maintaining the same
rake
> > >and trail throughout the full range of travel and no dive when you
brake,
> > >things that are more important to bikes that need to turn or brake for
> > >corners.
> > >
> > >BTW, I had to ask about the steering too when I first saw this front
end.
> > >
> > >Henry Deaton
> > >SF, CA
> > >
> > >
> > >
> > >
> > >At 04:18 PM 1/11/2001 -0600, Keith Turk wrote:
> > > >Henry... I am throwing this opinion out there based on nothing but my
> > > >concept of how to go fast and try and be semi reliable....
> > > >
> > > >I went to the Website and checked out the front end.... try as I
might
> I
> > > >couldn't see how the steering was applied to the front end.... nor
> could I
> > > >see the real benefits from it over a simple triple clamp/
conventional
> Folk
> > > >arrangement....
> > > >
> > > >I guess what I am trying to say is could you enlighten me as to the
> > > >advantages of a system this complicated....
> > > >
> > > >Keith ( big fan of the KISS principal )
> > > >
> > > >----------
> > > > > From: Clay, Dale <Dale.Clay@mdhelicopters.com>
> > > > > To: 'Henry Deaton' <hdeaton@verio.com>; List Land Speed
> > > ><land-speed@autox.team.net>
> > > > > Subject: RE: Motorcycle Front-End Geometry
> > > > > Date: Thursday, January 11, 2001 4:01 PM
> > > > >
> > > > > Henry,
> > > > >
> > > > > I don't have much experience with "lay down" bikes but those
numbers
> are
> > > > > pretty close to what fuel bikes run and they're up around 230 for
> blown
> > > > > fours and 200 for twins.
> > > > >
> > > > > With the limited amount of travel required, I doubt you need as
> > > >complicated
> > > > > a suspension as that, but if you want to play with it ...
> > > > >
> > > > > Dale
> > > > >
> > > > > Hey Dick J. is that your 300K mile bemmer in the photo?
> > > > >
> > > > > -----Original Message-----
> > > > > From: Henry Deaton [mailto:hdeaton@verio.com]
> > > > > Sent: Thursday, January 11, 2001 2:44 PM
> > > > > To: List Land Speed
> > > > > Subject: Motorcycle Front-End Geometry
> > > > >
> > > > >
> > > > > I'm finally ready to start building my electric LSR bike. Here's
> what
> > > >I've
> > > > > got planned so far:
> > > > >
> > > > > Hossack-style front end, 1.5" travel:
> > > > > http://www.eurospares.com/tfoale/mmjpg/tfbmw.jpg
> > > > > solid rear end
> > > > > 3.5x17 front wheel, with a 120/60ZR17 tire
> > > > > 4.5x18 rear wheel, with a 160/60ZR18 tire
> > > > > wheelbase around 70" (bike needs to fit on my 4x8 trailer)
> > > > > weight without rider about 600 lbs, with rider around 760 lbs.
> > > > > Forklift motor
> > > > > CVT snowmobile transmission
> > > > > 270 lbs AGM batteries, 120 volts
> > > > >
> > > > > Speed should be in the 150 to 175 mph range? (well, ya gotta have
a
> > >goal,
> > > >
> > > > > right?)
> > > > >
> > > > > I was wondering if anyone on the list has any thoughts about
> front-end
> > > > > geometry. I'm thinking of using a front rake around 40 to 45
> degrees,
> > >and
> > > >
> > > > > about 8 to 10 inches of trail. That's what a guy that builds
> dragbike
> > > > > frames recommended to me.
> > > > >
> > > > > Any comments or questions would be appreciated. I've done some
drag
> > > >racing
> > > > > with electric bikes in the past, but this LSR stuff is pretty new
to
> me.
> > > > > Mainly looking for tips on how to build a bike for straight-line
> > > >stability
> > > > > at El Mirage and Bonneville.
> > > > >
> > > > > BTW, only 115 days until El Mirage.
> > > > >
> > > > > Henry Deaton
> > > > > SF, CA
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