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

Sam-Rai Composite Thread

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Old 11-17-2012, 05:25 PM
  #51
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Default RE: Sam-Rai Composite Thread

A 700 mAH Life battery was velcroed in place in the nose area.
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Old 11-17-2012, 05:28 PM
  #52
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Default RE: Sam-Rai Composite Thread

The pushrods were attached and a piece of tape was used to cover the hole.

The connection at the servo is a Z-bend and the other end has ball links.
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Old 03-02-2013, 04:58 PM
  #53
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Default RE: Sam-Rai Composite Thread

It's time to finish the Sam-Rai racer.

The landing gear was attached with 6-32 x 3/8" allen head button screws.
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Old 03-04-2013, 05:30 PM
  #54
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Default RE: Sam-Rai Composite Thread

The engine was attached to the Jett motor mount with the provided screws.

A 1/4" diameter hole serves as the engine kill. It should be located to the right side of the engine exhaust.
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Old 03-04-2013, 05:33 PM
  #55
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Default RE: Sam-Rai Composite Thread

The following show the installation of a Jett slim 6 ounce tank.

Locate the tank as high in the fuselage as allows. This will allow you to peak out the engine further without going lean in the turns.
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Old 03-04-2013, 05:41 PM
  #56
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Default RE: Sam-Rai Composite Thread

I'm a fan of the muffler mounted needle valve assembly.

Fuselage holes and tubing are routed to fit this assembly.

It won't be long now as the model is nearing completion.
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Old 04-13-2013, 03:24 PM
  #57
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Default RE: Sam-Rai Composite Thread

The aileron servo was installed on the wing. The pictures shows the construction sequence.
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Old 04-13-2013, 03:26 PM
  #58
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Default RE: Sam-Rai Composite Thread

About 0.4 ounces of lead and epoxy was added on the left hand wing tip to counter the engine weight.

I drilled a hole and applied the mix internally. A piece of tape covers the hole surface.
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Old 04-13-2013, 03:29 PM
  #59
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Default RE: Sam-Rai Composite Thread

The model weighs about 2.3 ounces below the minimum (60 ounces), so some lead will be applied at the center of gravity (CG) to bring it up to specification.
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Old 04-13-2013, 03:32 PM
  #60
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Default RE: Sam-Rai Composite Thread

The model is complete in time for the Wichita (Goddard) race this next weekend (4/20/13 and 4/21/13).


See you there!
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Old 04-15-2013, 06:17 AM
  #61
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Default RE: Sam-Rai Composite Thread

Looks Great Scott!!! and under weight too!!

Good luck next weekend!!
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