Thread: Ski Speedometer
View Single Post
  #7  
Old January 18th 06, 12:42 PM
external usenet poster
 
Posts: n/a
Default



On Wed 18 Jan '06 at 10:51 "fat_boy" wrote:

OK all, here is the challenge, come up with a viable way of measuring
your speed on skis.

I have heard tell of using GPS, but since it will only get your
horizontal speed component, and not the verticla, it will always read
low.

What else can you think of?


Agree it does 3-d, but besides, your max speed will likely be on the
horizontal, i.e. when you bottom out of the run...

They claim to measure speed pretty well:

http://www.garmin.com/products/etrexVista/spec.html

Velocity: 0.05 meter/sec steady state

(that's about +/- 1.1mph)

Remember, it has the big error on your exact location, but velocity is
measured between two locations with the same error, thus that error is
removed.


My friend clocked 91.5mph last week. I'm not sure if that's good or not...



A.
Ads