Momentum timer (From "re OT Sail downwind faster than the wind! onseb)
JosephKK wrote:
On Mon, 09 Aug 2010 22:49:45 -0400, "Michael A. Terrell"
? wrote:
?
?John Fields wrote:
??
?? From the schematic:
??
?? 1. Set the DSO for a single sweep triggered by channel 1 going high.
??
?? 2. Pull M1 away from M2 and M3, which are just barely touching,
?? and let them settle for a few seconds.
??
?? 3. Arm the DSO.
??
?? 4. Release M1 so that it hits M2 directly across from where M3 is
?? touching M2.
??
?? 5. Read the time it took for channel 2 to go low after channel 1 went
?? high. That'll be the time it took for the momentum accumulated by
?? M1 to be transferred to M3.
?
?
? It took a lot of balls to post that! ;-)
And they are brass to boot.
From a brass monkey?
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