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Old Jan 04, 2011, 03:59 PM
Team30 Micro EDF
NitroCharged's Avatar
Adelaide, Australia
Joined Apr 2004
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Perhaps it may be cheaper to just supply 2 pieces of sheet plastic to make the thrust tubes instead of changing the mold?

I have thrust tubes on mine and changing throttle didn't affect pitch in flight.
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Old Jan 04, 2011, 04:02 PM
Life begins at transition
Australia, VIC, Sale
Joined May 2007
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Cool, that's two for two. Has Ozzi got tubes, or it he running open foam?

I did think about putting two pre-cut bits of mylar in the kit. Given I would think quite a few first time EDFers would buy this kit (so cheap for a twin EDF, and easy to fly once set up), making life as easy as possible would be a good thing. If ELERC are going for a class 1, out of the box setup though, a moulded thrust tube would be the ducks guts...
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Old Jan 04, 2011, 04:34 PM
Team30 Micro EDF
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Adelaide, Australia
Joined Apr 2004
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Agreed, it would be one more thing the buyer wouldn't have to fiddle with.
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Old Jan 05, 2011, 01:18 AM
WiggleWiggleWiggle
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South Australia
Joined Jan 2008
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Quote:
Originally Posted by Odysis View Post
Cool, that's two for two. Has Ozzi got tubes, or it he running open foam?
I have no thrust tubes. I've gone commando.
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Old Jan 05, 2011, 02:00 AM
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No thrusting issues after going commando??

()
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Old Jan 05, 2011, 02:03 AM
WiggleWiggleWiggle
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South Australia
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LMAO No. No thrusting issues. If the weather cooperates we should be able to fly 3 in formation this weekend.
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Old Jan 05, 2011, 02:28 AM
Life begins at transition
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If I get off my butt and rewind this motor
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Old Jan 05, 2011, 09:26 AM
EDF all the way!
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Gilbert, Az
Joined Jun 1999
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Flying mine this weekend also.
Bob
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Old Jan 05, 2011, 10:29 AM
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United States, FL, Sebring
Joined Feb 2006
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Waiting for my 800 mAh 30C packs to arrive, should be any day now. With any luck, the maiden will be this weekend.

Since you guys used thrust tubes from the beginning, I think I'll need to look into doing a deflector in the exhaust duct.
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Old Jan 05, 2011, 03:13 PM
Live to ride... and fly!
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Forney, TX
Joined Mar 2002
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Good write-up Joe. I'm surprised it's only generating 4.4 oz. thrust at 24 amps though, sounds like a really inefficient setup.

Good luck on the maiden!
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Old Jan 06, 2011, 12:48 AM
WiggleWiggleWiggle
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South Australia
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Wow. I'm getting 120 grams (4.2 ounces) at around 8 amps.
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Old Jan 06, 2011, 01:20 PM
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United States, FL, Sebring
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Quote:
Originally Posted by ozzi supercub View Post
Wow. I'm getting 120 grams (4.2 ounces) at around 8 amps.
Looks like your setup is more effecient. Once everything is ready for a maiden, I will retest the amp and thrust performance on the stock setup.
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Old Jan 06, 2011, 02:51 PM
Life begins at transition
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You've got 8 blades in yours, right Joe? I'm pretty sure Ozzi has the 6 blade...
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Old Jan 06, 2011, 03:10 PM
Team30 Micro EDF
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Adelaide, Australia
Joined Apr 2004
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Ozzi has GWS 6 blade rotors. Much less load. I think the C10 motor is too small for the 8 blade rotors.
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Old Jan 07, 2011, 01:06 AM
WiggleWiggleWiggle
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South Australia
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I reckon a 1 blade EDF spinning at 98200 RPM might work. What do you reckon boys?
Balance may be an issue though.
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