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Revolution Models . CarbonXtreme . Midland Helicopters

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Aerobatic FAI F3C Contest > question about flight path angle during maneuvers
 
 
oldboldpilot
Key Veteran
Location: Southern California

I have never seen an F3C competition, or even watched a local F3C flier practice (there may not be any).

In F3C, is there a downgrade for flying with the fuselage not tangent to the flight path at all times - i.e., should the heli track thru pitch maneuvers like an airplane?

I read the F3C judging guide, and it is silent on this question, although the illustrations imply "like an airplane."

If it is "like an airplane," is there a downgrade for slowing down a lot over the tops of loops?

Helis are Man's Defiance of the Laws of Nature - OCHC
12-07-2007 04:10 AM
 
 
ErichF
Key Veteran
Location: Odessa, FL 33556 (Tampa Area)

From the AMA Competition Regulations for RC Helicopter (F3C guidance is similar):

27. Wind Correction. All maneuvers are required
to be wind corrected so that the shape of the
maneuver is preserved.

28.11. Entry and Exit Lines. All flight
maneuvers are started and ended by a horizontal
line that is parallel to the horizon and the flightline.
Entry and exit lines must be no shorter than
described for a particular maneuver. Lines longer
than required should not be downgraded so long as
the entry and exit lines are reasonable and of
approximately the same length. The actual attitude
of the helicopter need not be level. It is the flight
path that is being scored.


The downgrade guidance for a loop:
Entry line
Loop is not constant radius
Loop is not in a vertical plane
Exit line
Positioning

Erich

Team Kyosho Regional Field Representative
12-07-2007 05:44 PM
 
 
oldboldpilot
Key Veteran
Location: Southern California

Thanks, ErichF

Helis are Man's Defiance of the Laws of Nature - OCHC
12-07-2007 10:33 PM
 
 
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Aerobatic FAI F3C Contest > question about flight path angle during maneuvers
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