Sky Battle 2023
One-Design postal contest for
"PuzzlePlane"
is here!
Contest flight-window is
July 26 to August 6, 2023!
PuzzlePlane designer Bill Watson
Postal Contest rules:
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Model must be a "PuzzlePlane" free-flight rubber-powered.
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Official flights must be made within the contest flight-window.
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Unlimited flight attempts, your best single duration is your score.
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Under 18 years of age compete in Junior/Senior class, over 18 flies in Open class.
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Report your score, name, age class, and whether you flew indoor or outdoor at SkyBattlePostal@gmail.com
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Model must be “built to the plan” but minor alterations are allowed, like a different prop, any covering material you like, any size rubber motor, etc.
This is a "postal" contest, where pilots fly their models at their home field, and report results to headquarters by email.
The "PuzzlePlane Bomber" is the official 2023 OFFC One-Design model!
It was designed by Bill Watson. Howard Littman markets an excellent laser-cut kit. You can build yours from free plans instead, if you prefer.
Build-and-fly video at: https://www.youtube.com/watch?v=umiQko-AGU4
Request free plans from: SafetyColumn@cs.com
Laser-cut kit can be purchased at: https://www.hjlmodels.com/
Ask questions and report your results to
SkyBattlePostal@gmail.com
Please include pilot's name, best flight time, and age category you are competing in.
PuzzlePlane Plan, (if download will work)
Each pilot may make unlimited attempts to get his or her single longest flight time.
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Use a stopwatch or smartphone timer app.
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Timing starts at model launch and stops when the model touches the ground, goes out of sight during flight, or lands on any structure, tree, etc
One entry per pilot. No entry fee.
Winners will be announced
in 2 age categories:
JUNIOR/SENIOR - Under 18 years of age
OPEN -19 or more years of age
Entries with no age info are placed in Open category!