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Old 07-11-2006, 03:45 PM
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Re: The SHARK!!

Stacking it all up...
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Old 07-11-2006, 03:47 PM
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Gettin' Lower!
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Re: The SHARK!!

Here we added plywood into the recessed holes to both create the angled air intakes ans the spinner ring...
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Old 07-11-2006, 03:48 PM
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Re: The SHARK!!

Shaping it by hand... VERY time consuming and tedious
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Old 07-11-2006, 03:48 PM
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Re: The SHARK!!

Foam shaped and ready for fiberglassing...
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Old 07-11-2006, 03:50 PM
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Re: The SHARK!!

First layer of fiberglass. Required numerous layers of glassing and sanding.
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Old 07-11-2006, 03:51 PM
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Re: The SHARK!!

The plug is done and painted, ready to make a mold off of it... break out the champaign, it's time to celebrate!
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Old 07-11-2006, 03:53 PM
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Re: The SHARK!!

Here's the completed cowling, both painted and unpainted. Stan's FiberTech made the mold and then pulled the cowling. The finish was great on it, and it was nice and light.
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Old 07-11-2006, 04:09 PM
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Re: The SHARK!!

WOW.

AWESOME...

WOW.
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Old 07-11-2006, 04:11 PM
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Re: The SHARK!!

The other molded part was the tail cone. I made that out of carbon fiber weave. Pictures of the plug, mold, and finished product...
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Old 07-11-2006, 04:22 PM
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Re: The SHARK!!

watch out Carden.....Johnson's Aircraft Specialities is about to become the new kid on the block!

Way to go Baron! Hopefully you will make Triple Tree IMAC contest so I can get a good look at her!

Joe C.
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Old 07-11-2006, 04:50 PM
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EXTREME FLIGHT CEO
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Re: The SHARK!!

Baron and Fred, that is truly awesome. I can't wait to see it in person.
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Old 07-11-2006, 05:12 PM
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Re: The SHARK!!

Thanks Joe and Chris!

Here's some pictures of the fuselage construction...
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Old 07-11-2006, 05:19 PM
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Re: The SHARK!!

The vertical fins are actuated through a tube which rides in nonmetallic ball bearings. The servos are connected to a timing belt pulley system to actuate the fins. The vertical fins have about 70 degrees of travel available (I've yet to experiment with this much rudder in flight). Under the turtle deck there are idler wheels to tension the timing belt pulley and minimize any vibration in the belt.

We flutter tested the vertical fin assembly up to about 75-80mph. We then perturbed it to ensure it would not set up an oscillation. Also, at lower speed we tested the retracting fin to ensure it could transit at speed without a problem.
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Old 07-11-2006, 05:34 PM
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WHATS CRACKALAKIN!!!!!!!!!!!!!
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Re: The SHARK!!

That is awesome!!!!
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Old 07-11-2006, 06:25 PM
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Re: The SHARK!!

Fred and Baron, DAMN!!!! SHEEEEEEE-IT sexy as socks on a rooster!! The BADASS-O-METER is pegged!! Biff love. Biff must have.This airplane is a study in thinking outside the box. The belt drive system? UBER sweet!
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