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Forum: General Boating Discussion 31-07-2009, 09:53 PM
Replies: 54
Views: 5,281
Posted By BluFin
You know thats an Airbus trade secret

You know thats an Airbus trade secret
Forum: General Boating Discussion 31-07-2009, 09:48 PM
Replies: 54
Views: 5,281
Posted By BluFin
If I could give an example & use the coming...

If I could give an example & use the coming weekends race at Torquay as an example.

You have two identical 6 ltr cats one with a GOOD quality Pitot system & the other a GPS there is a 5 kt tide...
Forum: General Boating Discussion 31-07-2009, 09:19 PM
Replies: 54
Views: 5,281
Posted By BluFin
NO No No.... not much good below 60 and gross...

NO No No.... not much good below 60 and gross inaccurate at the lower range. Air is worse that water at least in basic Physics you cant compress the wet stuff.
Forum: General Boating Discussion 31-07-2009, 09:16 PM
Replies: 54
Views: 5,281
Posted By BluFin
Out of intrest what is the units used for...

Out of intrest what is the units used for instrument on the pressure system, is it gallons per hour because it cant be miles or knots as the are set distance.

This far too static can we bring...
Forum: General Boating Discussion 30-07-2009, 12:24 AM
Replies: 54
Views: 5,281
Posted By BluFin
Oh thats speed through the water not between two...

Oh thats speed through the water not between two fixed points :bolt:
Forum: General Boating Discussion 30-07-2009, 12:22 AM
Replies: 54
Views: 5,281
Posted By BluFin
So was I :devil: There are +ve & -ve to both....

So was I :devil:
There are +ve & -ve to both. But interestingly when you make a record attempt it's between two fixed points on the surface of the earth (typical 1Km). They don’t shorten or...
Forum: General Boating Discussion 29-07-2009, 11:12 PM
Replies: 54
Views: 5,281
Posted By BluFin
Nuts Edit Time Out. Pitot measures speed...

Nuts Edit Time Out.

Pitot measures speed over/through the water - GPS over the Earth surface - each has it's shortcomings & advantages
Forum: General Boating Discussion 29-07-2009, 11:09 PM
Replies: 54
Views: 5,281
Posted By BluFin
Quite correct - more of a problem on a...

Quite correct - more of a problem on a displacement hull
Forum: General Boating Discussion 29-07-2009, 08:59 PM
Replies: 54
Views: 5,281
Posted By BluFin
GPS & I use this puppy combines Speed ,Volt,...

GPS & I use this puppy
combines Speed ,Volt, RPM & compass all in the one unit - also has a gps output for any repeater if you wanted to run one
...
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