Benn;
I bought my pitot static tube from Dweyer Instruments. It is a small
diameter tube and extends about 5" higher than the body; I think one
important point is that it is mounted at the nose so the influence of the
airstream flowing over the bodywork is minimized.
Regards, Neil Tucson, AZ
-----Original Message-----
From: land-speed-bounces+neil=dbelltech.com@autox.team.net
[mailto:land-speed-bounces+neil=dbelltech.com@autox.team.net] On Behalf Of
Benn
Sent: Thursday, April 10, 2008 4:01 PM
To: 'LSR'
Subject: Re: [Land-speed] Speedometers...
Huh...how far does it have to protrude to avoid the effects of nearby
bodywork? I've often thought that an airspeed indicator may be better at
showing how well a vehicle is doing, to account for windspeed, than a
groundspeed indicator.
Benn
----- Original Message -----
From: <neil@dbelltech.com>
To: "'James Tone'" <gmc6power@earthlink.net>; "'Adin,David'"
<DavidAdin@mercydurango.org>; "'LSR'" <land-speed@autox.team.net>
Sent: Thursday, April 10, 2008 3:32 PM
Subject: Re: [Land-speed] Speedometers...
> David;
>
> After some front suspension changes, my Mirage had no way to connect a
> speedometer cable. Fortunately, a helicopter airspeed indicator fit into
> the
> same hole as the old speedo. A pitot static tube was added to the nose and
> voila! -- a "speedometer".
>
> Regards, Neil Tucson, AZ
>
>
> -----Original Message-----
> From: land-speed-bounces+neil=dbelltech.com@autox.team.net
> [mailto:land-speed-bounces+neil=dbelltech.com@autox.team.net] On Behalf Of
> James Tone
> Sent: Thursday, April 10, 2008 9:49 AM
> To: Adin,David; LSR
> Subject: Re: [Land-speed] Speedometers...
>
>>I saw a 'liner w/ a cheapy taped on the steering wheel.
>>
>>This must be for 'fraidy cats so they no when to lift?
>
> Most newbies don't know of this but a speedo in a liner is a very useful
> tool and not for what you think. Many of the long "square" type liners
> need
> to know how fast they are going before turning off course. One battery
> powered one with an inexperienced (actually a wiseguy) driver had one
> tipover on him because he was going too fast to turn off.
>
> I believe a speed-o-meter would be a distraction during a run especially
> over 200; things happen too fast when you don't watch what you are doing.
> However a shiftlight set at the RPM of the record you are looking for can
> be
> a help. Tell your driver to get the light on in high gear and keep it on
> for
> the record.
>
> One very successful team does just that........Good Luck
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