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Q-500 Racing Discuss AMA 428, AMA 424, and any other variants of Quickie 500 racing

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Old 11-06-2002 | 09:46 PM
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Default Props

Hi everybody

In the US it seems that APC is the most common used prop.
Or am i wrong?
Here in Sweden we have left APC for others that we think are faster, for example RadioActive and Graupner Pro Cam.

Have you try-ed this or other manufactures of props?
In all threads no one speaks on what kind of prop only the dimensions. 2 different manufactures of props with same dimension have never the same performance.

What are yours experience?

Sorry for broken English...

Per
Old 11-06-2002 | 09:50 PM
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From: Apple Valley, CA
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For what Class of pylon racing are you talking about? Please post links if you are able to, I would like to see these Props you speak of

BV
Old 11-06-2002 | 10:15 PM
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Default Props used in Sweden

We are talking about the class that is similar to your AMA424
with a speed up to 110Mph our next class that is similar to yours AMA 428 i have no experience of props that yet, next seasons problem.
But i will presume that they use the same manufactures.

Here are RadioActive (RAM) http://www.radioactivemfg.com/
In AMA424 we are stuck-ed to 10x6

The Graupner Cam Prop i do not have any link that have pictures, i get back as soon as possible.
Old 11-07-2002 | 12:00 AM
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http://www.graupner-modellbau.com/

Sorry I can't get this to link up but here is the web site address. Enjoy!


Randy Bridge
Team JR/APC
Old 11-07-2002 | 01:48 AM
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Per:
AMA (U.S.) 428 rules only allow unmodified wood props with a min dia of 8.5" or APC racing props (D-1 hub) of 8.75" min dia. These props work pretty well as the current U.S. record is 1:03.9? on our long course which is about the same length as the F3D course but configured a little differently. We also race APRA, like 424, out here and the only prop permitted is APC 9x6.


Barry
Old 11-07-2002 | 05:29 AM
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Default Props

Thanks for the link Randy!
I didn't now that you have use these props. That makes my thread kind of unusefull.

Thanks any way everybody.

Regards Per
Old 11-07-2002 | 02:54 PM
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Per_n
On the contrary we appreciate constructive comments from everyone. We are always experimenting with new combinations and your input on props is appreciated. If you have any questions on Nelson or Jett setup this or the NMPRA forum is the place to go. I would be very interested in the types of airframes, airfoils and so on you are using.



Barry

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