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GBR flyers in California.


mikef

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Ian Kaynes will be flying F1E (‘magnet steering') and F1Q (electric).  The water shortage means that some trees are being removed and the land returned to its original state.  Good news fr the flyers.  I'll know more later in the trip.

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Action from this morning.  Ian and Chris Kaynes retrieving Ian's F1Q model. John releases his F1S model.  Alan preparing his F1C folder for flight - after a maximum of 4 second motor run with a vertical climb, the model bunts and almost doubles its span to become a glider.  Note the neat, portable electric starter.

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Alan flew F1C yesterday but had problems and only managed 2:33 on one flight.  It was too late to fly-off on Saturday evening so they went for 10 minutes this morning….

Winning times were

A 7:44

B 8:45

C 9:45

John Cooper flew F1S today but dropped in the first flight with 99 seconds against a 2 minute max.

Full results are live here

https://docs.google.com/spreadsheets/d/1HLFYnhmDRXHoCOlrNcp6k7rMKpP0-8Yepai9PCWE4GQ/edit#gid=193285897

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Several people were using a combined temperature and wind speed plot on a tablet (picture) to help select good air.  It also uses an audio tach. to display rpm for engine tuning.  The wireless remote sensor head (picture) is pole-mounted about 7-8 metres up.

The third picture shows the folded wing on Australian Roy Summersby's F1C. Having two hinges per wing, the model goes from a small span/symmetric section to a cambered gliding section as the span almost triples itself in the transition from the vertical climb to the glide.

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10 hours ago, mikef said:

Oleg Kulakovsky's F1B - any guesses as to what's going on here.  The wire goes to a device in the motor tube (prop and motor removed).

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No idea. 😂 

Please enlighten us... 

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15 hours ago, mikef said:

Oleg Kulakovsky's F1B - any guesses as to what's going on here.  The wire goes to a device in the motor tube (prop and motor removed).

8298E68F-B696-423B-8B6E-F0FF8DD299BF.jpeg

Looks suspiciously like a USB power bank (the kind with an 18650 cell inside). Is that the power source for the motor?

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It's an F1B rubber powered, and the motor runs through to the back end. If anything the device is contained in the pylon but I've not seen anything like this before. 

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Michael Mashaich, yesterday’s F1C winner, was practicing today.  I can't upload the video so here's a set of frame grabs of the wing unfolding after the 4 second power climb.

 

 

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7 hours ago, PaulR said:

Looks suspiciously like a USB power bank (the kind with an 18650 cell inside). Is that the power source for the motor?

Closest answer goes to PaulR.  It's a USB power bank for charging the timer system.  As PeterT says, it's a rubber powered model.

 

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11 hours ago, mikef said:

Michael Mashaich, yesterday’s F1C winner, was practicing today.  I can't upload the video so here's a set of frame grabs of the wing unfolding after the 4 second power climb.

 

 

5422499C-B9E3-4694-8180-43A598FFD051.jpeg

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Ah.

I wondered why there was a step at the outer panels. Very ingenious.

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Alan Jack teamed with Faust Parker and Guy Menanno (both USA) to form the Team that placed first in the F1C Team ranking.  Guy and Faust, the individual winner, maxed out and Alan dropped 46 second on the last flight.

Faust left, Alan right.

 

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F1B model show matt wing upper surface with turbulator and shiny lower surface.  Programmed electronic timer moves servo to drive mechanical releases making surface adjustments during flight.

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