GPS speedometer for bike rider

[Dakzila]

 :?Before I start searching the web I thought I'd ask here.

I don't want to connect up a mechanical speedometer on the bike I'm building and was thinking that there must be a GPS unit out there that would serve the same purpose.

What would you recommend for a GPS type speedometer for a LSR bike rider?


Thanks,

Buzz

[4-barrel Mike]

The search function here is really good    try "gps motorcycle" for a start.  Good luck.

Mike

[Seldom Seen Slim]

Buzz:

What do you expect to learn from a GPS speedO?  That is, why not use the one that is standard on your bike?  If you're building the bike and it doesn't have one -- okay, that's easy enough to explain.  But a GPS has some lag time from when it measures the speed to when it displays it -- maybe a second, maybe a few seconds.  If that lag is okay -- then no big deal.  Since you say you're building the bike for LSR -- you won't have to worry about times when you have no clear sky view (and therefore the GPS won't work).

Most any of the hand-held GPS units will have a real-time speed display and lots of other features, too.

[Dakzila]

Thanks,
The bike I'm building does not have a speedometer. I only want a speedometer reading for the rookie runs on the bike. It's my understanding that during your rookie runs you need to be pretty close to the numbers.

Thanks for the information.

Buzz

[donpearsall]

Some riders use the Garmin Forerunner type of wrist GPS devices. They are real small and you can velcro them anywhere on your bike, even your body. They have just about everything you need that most GPS units do especially instant speed and top speed.

Don

[grumm441]

I've seen a couple of bikes using push bike speedo's
In the shop i work at it is a common thing for older scooters to run push bike speedo's as they are easy to set up and pretty accurate
There was also a bike that went through tech at the DLRA meet in Aus. that had two push bike speedo's. One on the front and one on the rear wheel to give him a quick reference as to how much wheel slip he was getting.
G

[Dakzila]

Thanks To both of you.  I'll check the Garmin website.

Grumm441,
I've never heard of the "push bike" speedometer. Can you give me a little more information?

Thanks again,
Buzz

[Freud]

Push Bike = Bicycle ?

Could be the answer.

FREUD

[grumm441]

Sorry
I got a bit lost in translation
I meant "Bicycle", although in Australia we tend to call them "treadlies"
http://www.canyonchasers.net/shop/generic/sigma.php
We are planning to put one our tank next year
I also found that the scooter guys tend to use computer hard drive magnets as they stick to the wheels without glue
However, I don't recommend this for LSR
Gray

[Dakzila]

Grumm441,

Thanks for the information. Something like this might just work.....

Buzz

[RIFLEMAN]

 Grandma Connie and Nick use a GPS speedo that is intended for boats. Hit them up at the next meet,would probably be glad to tell you who makes it and where to get it. They swear by it.

[theazoldcrow]

Howdy Rifleman.   Crow

[Dakzila]

Thanks Rifleman..I do that.

Buzz

[hayaboosta]

  Buzz-
Check out the Garmin etrex.  They are small and compact and have a large display.  I velcro'ed mine on and threw zip ties on it and have been 226 w/o incident.  I bought mine for $40 to my door off of ebay.  Search ebay and you will see plenty of them.  You can also use it to find the exit of the lakebed during the dust storms.   

[Stainless Two]

if you have your wheel size, gearing, and rpm, i bet there is a program out there that will keep you well within your parameters...  it is pretty easy to license up when you know 4th gear at 7500 rpm  (without slip) is 175   give her a try and see what all the smart guys figure out before starting the engine, and without a satellite telling them anything, have to say...  i bet they are better than Jesse's gps all day every day... just a thought....