look at this thing
08-18-2007, 10:33 PM
#8
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RE: look at this thing
does anyone have a link to the AMA rules? vicman gave me the impression that there was some kind of rule against uncontrollable thrust (like rockets), but you're saying there is a specific rule against afterburners.
08-19-2007, 09:26 AM
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RE: look at this thing
AMA has rules against turbines with afterburners. This isn't an afterburner, it's a cigar torch with wings. Seriously, just cause there's flame in a tailpipe doesn't make it an afterburner.
Rockets attached to airplanes for thrust boost are AMA legal, unguided model rockets fired from and airplane are not. In-between, the X-1 rocket that Mac Hodges drops from a B-29 is technically a rocket powered RC airplane that is under control - most of the time - so it is within the rules.
08-19-2007, 09:37 AM
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RE: look at this thing
However - pretty sure it's against this rule:
8. I will not operate model aircraft carrying pyrotechnic devices which explode burn, or propel a projectile of any kind.
THere are exceptions listed, but cigar lighter is not one of them.
http://www.modelaircraft.org/PDF-files/105.pdf
08-19-2007, 05:36 PM
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RE: look at this thing
8. I will not operate model aircraft carrying pyrotechnic devices which explode or burn, or any device, which propels a projectile of any kind.
I don't know if a device burning purely air and butane classifies as pyrotechnic though. usually pyrotechnic refers to a solid fuel and oxidizer. If pyrotechnic applied to simple air and liquid hydrocarbon combustion, turbine engines would not be allowed, nor would any other type of jet (pulse or ram), and it would technically even not allow internal combustion engines.
I don't know if a device burning purely air and butane classifies as pyrotechnic though. usually pyrotechnic refers to a solid fuel and oxidizer. If pyrotechnic applied to simple air and liquid hydrocarbon combustion, turbine engines would not be allowed, nor would any other type of jet (pulse or ram), and it would technically even not allow internal combustion engines.
09-05-2007, 10:00 AM
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RE: look at this thing
Rule No.8 of the AMA safety code is there to prohibit the use of projectiles such as underwing rockets (such as a zuni rocket that was used during the Vietnam war) that can not be controlled. It does not prohibit an afterburner on an airplane. I have one on my F-4 Phantom and had checked with the AMA before I put it on the plane.
09-05-2007, 02:45 PM
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RE: look at this thing
How 'bout this?:
13. Afterburners are prohibited. Other special controls such as water injection, thrust reversers, variable nozzles, etc. are acceptable only if engine manufacturer provided and supported by development testing and user training.
From AMA's "SAFETY REGULATIONS FOR MODEL AIRCRAFT POWERED BY GAS TURBINES"
[link]http://www.modelaircraft.org/PDF-files/510-A.pdf[/link]
You might want to check again before firing up that F-4, assuming it's a turbine
13. Afterburners are prohibited. Other special controls such as water injection, thrust reversers, variable nozzles, etc. are acceptable only if engine manufacturer provided and supported by development testing and user training.
From AMA's "SAFETY REGULATIONS FOR MODEL AIRCRAFT POWERED BY GAS TURBINES"
[link]http://www.modelaircraft.org/PDF-files/510-A.pdf[/link]
You might want to check again before firing up that F-4, assuming it's a turbine
