[EVDL List]

Re: [EVDL] Reaction time (was: Bill Dube nominated for DarwinAward.)

Yeah, that sounds fine for street driving, but doing exhibition burnouts
requires the use of the front brake with part throttle. The question is how
to reliably detect when the rear tire has gained too much traction and the
bike is launching. I'm guessing there should be an increase in motor
current, which should be easily detectable with no unreliable moving parts.
Or maybe weight on the seat. During a burnout isn't the driver standing,
but if the bike moves, he's not, but that would come later?

----- Original Message -----
From: <[email protected]>
To: <[email protected]>
Sent: Saturday, September 15, 2007 2:20 PM
Subject: Re: [EVDL] Reaction time (was: Bill Dube nominated for
DarwinAward.)


> In a message dated 9/15/2007 1:18:06 PM Mountain Daylight Time,
> [email protected] writes:
>
> I think the distinction is, no human operated kill system could have
> operated fast enough given the circumstances. I think you did as well as
> possible. But I think a totally automatic system triggered by a
> combination
> of inputs that should never coincide could have shut down power faster
> than
> any human can react, within milliseconds.
>
> High motor current plus brake lights has got to mean trouble.
>
> Are the forks and wheel off the shelf items?
>
> Marty>>>>
>
> I set up my electric three wheeler with a "load shed" relay in the brake
> light circuit. I grab the brakes and all power shuts down....
>
> Matt Parkhouse
> Colorado Springs, CO
> BMW m/c-Golf Cart trike - 48 volts, 30mph on the flat, 35 mile range
> 2,300
> EV ,iles
> 1972 VW Van - to be converted this year!
>
>
>
> ************************************** See what's new at
> http://www.aol.com
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>

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[EVDL List]

Re: [EVDL] Reaction time (was: Bill Dube nominated for DarwinAward.)

>It's
>often called a "brake inhibit" switch.

>Some scooters have the switches mounted in both handgrips. When you
>break the controller turns off.

Sounds like an excellent safety feature for a street bike, but it makes burnouts impossible!

Bill

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[EVDL List]

Re: [EVDL] Reaction time (was: Bill Dube nominated for DarwinAward.)

IMHO, the minute anyone intentionally does anything
in front of the media, they represent all of us, any one
of us may be asked to explain the actions, and we all
may have to live with additional rules and regulations
resultant from an error. Same as any pro sport where
players are held to personal standards because they
represent the sport. Therefore, IMHO, we all
have every right to question what is being done. It's
different on a sanctioned track, where the sanctioning
authority is assumed to be policing safety, and watchers
are behind fences and concrete barriers..

I do believe the Darwin thing is over the top, but not
a surprising result considering.

There is also the fact that an incident like this can
lead to losing sponsorship. I'd be busy readying
safety measures to demonstrate to sponsors if any
more exhibitions will be done off track.

Maybe I'm just an old fart, but I'm an old fart with
a little drag racing and a lot of autocrossing under my
belt, and personally, I believe any form of performance
driving, riding or exhibition belongs at a sanctioned
event. I think doing the burnout at all was marginal
judgement, doing it without a bulletproof shutdown
device reflects on all of us, and present and future
sponsors. Sure I feel bad for Bill, God knows I've
made mistakes, but the result of his actions reach
beyond Bill and the Killacycle team. Thank god
they haven't been worse, yet. The purpose of
sanctioning bodies is to try to prevent one person's
momentary lapse of reason from impacting bystanders,
the sport, and the participants.


----- Original Message -----
From: "Bruce Weisenberger" <[email protected]>
To: "Electric Vehicle Discussion List" <[email protected]>
Sent: Thursday, September 20, 2007 6:35 AM
Subject: Re: [EVDL] Reaction time (was: Bill Dube nominated for
DarwinAward.)


> While safety devices are a neat idea I think the whole
> subject has gone a bit out of hand in telling Bill
> what he should do with with his bike that he built.
> Also nominating Bill for a simple mistake for a Darwin
> award is pretty cruel. A lapse in judgment maybe. But
> to display him a a genetic mistake about to correct
> itself is going a bit far. Especially as he was almost
> stopped and only bailed to avoid further injury.
> Rolling and and sliding across side walk at 20 mph
> verse slapping a van at 20 mph without safety gear
> could have been deadly. Sudden stops are harder on the
> body. I hope we all learn lessons from Bills mistake.
> 1) Always have a helmet on when performing any high
> powered demonstration on a bike.
> Every burnout on the Track Scott has a helmet on
> during the burnout.

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