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Author Topic: Fastest Pitstops I have ever seen  (Read 1032 times)
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Sundance12
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MAAC #25680, VE4BDF (amateur radio callsign)

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« on: August 24, 2008, 04:45:28 PM »

F2C racing pitstops.

http://www.youtube.com/v/mzBGTrmYbJA&hl=en&fs=1

Now that is fast
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greggles47
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« Reply #1 on: August 25, 2008, 06:45:33 AM »

And now for the New WORLD CHAMPION.

In the 6 second clip I see a landing, catch, refuel, one flick start and TWO laps!!!

http://www.youtube.com/watch?v=hLp1EucCQWw

Oh and he's an Aussie!!
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Willi_S.
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« Reply #2 on: August 25, 2008, 07:06:26 AM »

Hello.

I saw Hugh Simons and Grant Potter 'live' at the World Champs in France. It was incredible!

Grant Potter needed only once in all their races there a second flic to start! They made their best heattime of 3:05 in a 3-up-race! All others like the french and the ukrainien Teams had their sub-3:10-flights in races with most of the time only 2 Pilots in the circle.

Simons/Potter are the deserved winners of the 2008 W/C!

Congratulations!

Best wishes from Germany

Willi
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applehoney
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« Reply #3 on: August 25, 2008, 04:55:59 PM »

That brings back memories of a very hot day at a Northern heights Rally at Langley, Buckinghamshire ... back in the days of two-man pit crews who ran around the circle to the model as it landed.  A 'Class A' teamracer belonging to Rob Dudley (pilot) of the Enfield Club with a beam mounted Elfin 2.49; on one pitstop, from our reaching the model to it being released was timed at just 3.4 seconds .... Ray Tuthill had a contraption that refueled the tank in a split second and the Elfin was off on the first flick. Our best ever pit!

A word on the fuelling system. Fuel in one can which was bound and soldered to another fitted with a Schrader valve so that it could be pressurised with a bicycle pump. Plumbing provide a probe for the tank vent and a turnkey which allowed pressure through into the the fuel container. The first time he tried it Ray found that the one thing he'd forgotten was that more fuel went instantly into the tank than it could hold so the rest came up from the other vent in a 3' jet ... Ray, of course was bending over the model.. his mouth was open .... It took us some time to stop laughing. Well, not Ray ....

Next time we saw the contraption it had a double probe - the second went over the tank vent and directed the overflow back into a third can, also bound and soldered to the others.... not only was it all unwieldy but we all backed away when he pumped up the pressure tank. It worked .... but we were so glad when plastic squeeze bottles appeared very soon after ....

The other side of the coin was that Ray created the very first 'chicken hopper' tank which gave us a very successful season in Class B (with Don Walker) before details leaked out despite our attempts to keep it covered with a rag every time the top hatch came off and so it rapidly came into common usage.
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Sundance12
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MAAC #25680, VE4BDF (amateur radio callsign)

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« Reply #4 on: August 27, 2008, 09:48:17 PM »

Interesting read applehoney, thanks.

Sundance12


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