Pioneer '07 events

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07 Apr 2007 06:10 #2830 by Boschert
Boschert replied the topic: Re:Pioneer '07 events
Ok its a NAR event-I wanted to go larger. Like high power. So if NAR calls it \"giant\", would the TRA equivalent be \"super galatic\" sport scale?
Tim

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06 Apr 2007 18:35 #2826 by mrstevea86
mrstevea86 replied the topic: Re:Pioneer '07 events
From the Pink book:

53.2.2 Giant Sport Scale
The model must be at least 100 centimeters in overall length or at least 10 centimeters in body diameter. Vehicles with significant outer assemblies or winged vehicles qualify if their length plus wingspan totals at least 100 centimeters or if their girth (as measured once around in a plane perpendicular to the centerline of the model by a length of string around the components not including the fins or wings) totals at least 31.4 centimeters.

We are sill limited to 1500 grams liftoff mass, 125 grams propellant mass, and 160 N-s total impulse. This would be G and below under model rocket rules.

From the pink book.

3.2 Gross Launching Mass
The gross launching mass of a model rocket, including model rocket motor or motors, shall in no event exceed 1,500 grams. See also Rule 9.11.

3.3 Propellant
No more than a total of 125 grams of solid propellant materials shall be contained in its model rocket motor(s) at the moment of launch.

9.1 Total Impulse Limit
No entry in sanctioned competition shall be powered by a motor or combination of motors with total impulse greater than 160.00 Newton-seconds.

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05 Apr 2007 22:26 #2825 by Boschert
Boschert replied the topic: Re:Pioneer '07 events
mrstevea86 wrote:

However, I think Tim is refering to Giant Sport Scale. We have done this before and works well. We have to remember to keep the rocket motors G and below.
Steve


IS Giant Sport Scale (1) a NAR contest? and (2) is it limited to G and below?

I'm not interested on points just wanted to fly something.

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04 Apr 2007 15:25 #2817 by mrstevea86
mrstevea86 replied the topic: Re:Pioneer '07 events
Checking the Pink Book contest flying is limited to 1500 grams liftoff mass and 125 grams propellant mass. We have to fly under Model Rocket rules. However, I think Tim is refering to Giant Sport Scale. We have done this before and works well. We have to remember to keep the rocket motors G and below. As always we can accomodate the events you want to see. It is probably too late to change this for May but certainly we can look at changes for October.

Steve

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04 Apr 2007 05:28 #2814 by Boschert
Boschert replied the topic: Re:Pioneer '07 events
Bruce:
At NSL I tried a boost glider upscale of the Quest kit, If I remember it was on an I195. Did't go well.

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04 Apr 2007 03:56 #2812 by durbanek
durbanek replied the topic: Re:Pioneer '07 events
Helicopter recovery is always a duration event. However, on a J motor, you'd be a winner if it just recovered safely. On the other hand, it's probably a very bad idea to hold a contest where we expect most rockets to be dangerous on the way down.

How about H Helicopter duration? That would silly.

urbanek

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04 Apr 2007 02:49 #2811 by BruceBell
BruceBell replied the topic: Re:Pioneer '07 events
Hey, Tim, were you thinking High-Power glider event? The highest power glider I have flown was a G-class rocket glider powered by 3 50ns F motors. It was a swing-wing and flew successfully, turning in about 3 minutes. Maybe something like level 1 Rocket-Glider, H or I powered? Anyone up for the challenge? The ones that don't work ought to be pretty spectacular! :evil:

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04 Apr 2007 02:48 #2810 by BruceBell
BruceBell replied the topic: Re:Pioneer '07 events
Hey, Tim, were you thinking High-Power glider event? The highest power glider I have flown was a G-class rocket glider powered by 3 50ns F motors. It was a swing-wing and flew successfully, turning in about 3 minutes. Maybe something like level 1 Rocket-Glider, H or I powered? Anyone up for the challenge? The ones that don't work ought to be pretty spectacular! :evil:

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04 Apr 2007 00:09 #2807 by Boschert
Boschert replied the topic: Re:Pioneer '07 events
Several years ago, I think NSL at the Pony E, a sport model contest was held for high power motor models. Any chance this might occur again?
Tim

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25 Jan 2007 00:23 #2672 by BruceBell
BruceBell replied the topic: Re:Pioneer '07 events
Dennis, according to the NAR, the motor must be \"contest certified\". Here is a copy of the actual NAR book rule.

4.4 Certification
All motors used in a model rocket in NAR sanctioned competition, or for the purpose of establishing a United States Model Rocket Performance Record, shall be of a type currently holding NAR Contest Approval. No model rocket motor shall be flown at any NAR Sanctioned activity unless that motor holds current NAR Certification.

What did you have in mind? :evil:

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