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09-09-2006 04:55 AM  14 years ago
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caseyjholmes

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Portland, Oregon

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Carbon Tail fin
Made up a carbon tail fin from a raptor horizontal carbon fin stabilizer.
Cut it down with a dremel and drilled new mounting holes. Used two small spacers behind the fin to clear the screws.
The tail blades ride higher off the ground now, and with the skids level, the fin is off the ground by 1/2" too.

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09-09-2006 05:02 AM  14 years ago
caseyjholmes

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Portland, Oregon

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Shot with the canopy on..

Also got my ESC installed. need a few more parts..
Used a ball link on the tail pitch slider arm. I backed it up with a small nut, but I had to file down the nut so it didn't hit the tail gearbox (or come anywhere close for that matter!)
I'm anxious to give it a fly!

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09-09-2006 05:13 AM  14 years ago
Madman

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Roswell, GA

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I'm convinced the tail fin needs to be 1.5mm carbon or something thinner than, say, the aftermarket heavy carbon ones that are being sold as upgrades. The heavy one I have (and I have seen on another machine that crashed twice) never 'gives' or breaks and shears the bolts in the tail box - making for a nightmare to get them out. It has happened twice.

Your's looks great though! Good idea.
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09-09-2006 06:08 AM  14 years ago
caseyjholmes

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Portland, Oregon

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I tried using washer under the screw, but the washers touched each other and wouldn't sit flat (because the bolts are so close together).
I suppose that would be a bad thing if the bolts sheered off inside the "boom box".
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09-09-2006 02:02 PM  14 years ago
4cyclic

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Montreal, Can. and northern Vermont

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I tried using washer under the screw, but the washers touched each other and wouldn't sit flat (because the bolts are so close together).
I suppose that would be a bad thing if the bolts sheered off inside the "boom box".
I use 2 mm washers that are small enough to fit side by side and flat to the fin, yes they exist. Or you could grind a flat on them to make them fit.

As an alternative, you could retap the holes to 2.5mm. I doubt you would rip 2.5mm cap screws !
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09-09-2006 05:21 PM  14 years ago
caseyjholmes

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Portland, Oregon

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I think I will do just that. (tap out for larger screws)
Thanks for the idea

BTW.. this raptor fin I used to make the lepton fin from is 2mm thick.
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09-16-2006 06:00 PM  14 years ago
MJPCarbon

rrApprentice

West Milford New Jersey

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Ours are 1.5mm thick, most 30 and up fins are 2mm carbon.Mark
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