drag timer
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11,525 Posts
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12,654 Posts
No, the picture shows a set of photo-cells and reflectors, so it is a set of timers.
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23,814 Posts
you probably space the reflectors out to whatever length you wanna run, the watch and box stay on the quad. the first reflector starts the timer when you pass it, then the second reflector stops it
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12,654 Posts
Good observation; I never thought about getting one to work that way. Hopefully the track isn't too rough, lol. The photo-cell might miss the reflector.
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12,654 Posts
Brute 665: did you buy this or build it?
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12,654 Posts
18" reflectors? You sure won't have to worry about the P/C missing them!
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brute 665 how much would you charge to build and ship photo-cell assembly and stopwatch to Nova Scotia? I can buy the reflectors locally.
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16,645 Posts
Very cool..
I never saw anything like that before.
Did you make it yourself?
I never saw anything like that before.
Did you make it yourself?
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12,654 Posts
Awesome idea, ain't it?
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16,645 Posts
Hell yeah.
I don't care who made either,it's a great idea.
I don't care who made either,it's a great idea.
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9,455 Posts
Very Cool
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12,654 Posts
Not simple for me, lol.
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9,455 Posts
:lol: Hvae you tried it yet
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