🚀 go-pugleaf

>Actually, regarding calibrating to an electric light wouldn't that be
>1800 rpm for a two blade prop or 1200 for a three blader?
>
>Also, you would need a fluorescent light or some other light that
>flickers more than an incandescent light.
>
>Just a thought...

>Wrrooonnngggggggg... An incandescant lamp running on 50 Hz mains actually
flashes 100 times/sec. The sine-wave goes both posative and negative peaks
in ecah cycle, ie 100 flashes/sec. Multilpy by 60, gives 6000 flashes per
minute.. So on the two blade setting it should read 300 ( 3000rpm ) and on 
three blade 200...

I guess your side of the pond where you run at 60Hz it would read 360 and 240.

I'm not an expert on flourescant lights, (or much else really) :-) but they
run via some really high voltage gizmo which makes the gas in the tube 
flouresce constantly....
>

cheers 

bob

Harrier Softnet Ltd    tel +44-734-731181              I'd rather be playing
Ivanhoe Rd             fax +44-734-734546              with my chopper
Finchampstead          email bob@harrier.demon.co.uk     O  / __________
Berkshire                                               -|-<>     /\======O
RG11 4QQ                                               _/ \_    __\/__