GreatPlanes Viper 500 with OS 55AX swing 10x10 prop

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Uploaded by on Feb 22, 2008

Viper 500 with OS 55AX

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Entertainment

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Uploader Comments (patzane)

  • isn't an OS 55AX a bit big for a Q500 classed plane,but i supose in pylon racing the BIGGER THE FASTER=MORE ADRENNALIN=WICKED PLANE!

  • I have any viper that is setup for racing. This one with the OS 55 is to have fun

  • today tried a 10x9 prop and the viper was much slower. The 10x10 prop looks like the right combo for this plane

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All Comments (14)

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  • Bad warranty on the OS 55 AX Engine.

    I had good expectations from OS warranty but now I am very dissappointed with their services and the guality of their motor warranty.

  • I have the Hangar 9PTS mkII with the OS55AX on it. What prop do your recommend? I think a 10*10 may not give enough power. Plenty of speed, not power. I prefer speed but since its a warplane design I think she needs some thrust. Soon I'm getting a tuned pipe for it and then we'll see how fast it can go.

  • I wish they would bring back the version from 1993. I like it's design much more than the new ones.

  • i'd race ya both and win :]

  • The APC 10X10 is the prop for this engine & plane. This engine makes gobs of power 14K rpm range, It's not a high revving engine. It's been tried with 10X9 and it's slower.

    Don't go by sound, that can be misleading. This thing moves quite well if you look at the background.

    Did you notice how long the guy flew? 6+ minutes on the stock tank!

    I fly a Viper with a Webra 55 and Jett muffler turning a 9X10 at 16K. Mine may be faster but at 3 minuets I'm on fumes.

  • Nice dude. Try a 10x9 prop on the 55ax though. I bet you'll get another 10mph out of her. I've got the same engine and the 10x10 is just a bit much pitch. 10x9 is the sweet spot for speed!

  • bring it

  • i think you would win lol the other guy is to cocky lol fast tho

  • I will be up to that challenge

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