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Old 01-22-2011, 01:48 AM
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Help!
Thrust lines

Hi all, I am slowly building an old fashioned wooden 33% Extra for a DLE 111, my question is what is a good starting point for the engine thrust line? I was thinking along 3 degrees right and 1 1/5 -2 degrees down. Does that sound fairly close?

cheers, Graham
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Old 01-22-2011, 02:15 AM
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Re: Thrust lines

My 100in Extras currently with a DA100 are running about 3deg right no down thrust. zero zero wing and tail incidence. Ewan
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Old 01-22-2011, 04:09 AM
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Re: Thrust lines

Quote:
Originally Posted by GEJ View Post
Hi all, I am slowly building an old fashioned wooden 33% Extra for a DLE 111, my question is what is a good starting point for the engine thrust line? I was thinking along 3 degrees right and 1 1/5 -2 degrees down. Does that sound fairly close?

cheers, Graham

Hi Graham
3 deg right ...0 deg down When you have the C.G neutral you can mix in at full power about 2 % right rudder and 1 to 2 % down elevator at low trottle helps keep the down lines straight. If you have too much right trust the model does not roll axially. Give me a ring at some stage if you have any problems... ... H.G
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Old 01-22-2011, 08:03 PM
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Re: Thrust lines

Quote:
Originally Posted by GEJ View Post
Hi all, I am slowly building an old fashioned wooden 33% Extra for a DLE 111, my question is what is a good starting point for the engine thrust line? I was thinking along 3 degrees right and 1 1/5 -2 degrees down. Does that sound fairly close?

cheers, Graham
Sounds interesting, Pictures would be great
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Old 01-29-2011, 08:50 PM
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Re: Thrust lines

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Sounds interesting, Pictures would be great
Thanks for your help guys, and pics as requested

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Old 01-30-2011, 05:00 AM
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Re: Thrust lines

Do you need help with missionary, doggy which position man??
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Old 02-07-2011, 03:45 AM
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Re: Thrust lines

hey you might need some bigger wheels on that bad boy !

I run 2.5 side thrust these days, and depending on the wing position, you probably need a tad of up thrust, but do that with a washer after the test fly.

hope you like sanding
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Old 02-07-2011, 03:46 AM
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Re: Thrust lines

just saw the electric mosi in the back ground !!
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Old 02-07-2011, 08:08 AM
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Re: Thrust lines

Is that the great planes 33% 330?
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Old 02-07-2011, 02:49 PM
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Re: Thrust lines

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just saw the electric mosi in the back ground !!
Yeah, thought I'd try something a little different, it's the Brian Taylor 81" plan. Lucky I like building I guess
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Old 02-07-2011, 02:52 PM
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Re: Thrust lines

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Is that the great planes 33% 330?
Nope, it's an old R/C Extras, Extra 230. They're a little shorter than the 330. From what I can tell, R/c Extras just did 3 kits at 25%, 30% and 33% all with the same basic structure.
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Old 02-07-2011, 03:01 PM
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Re: Thrust lines

I sold one of these I had a while ago. Kinda kicking myself for doing it now... LOL Thats life!
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Old 02-08-2011, 05:18 AM
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Re: Thrust lines

nice is it a foam core wing or built up with full sheeting?
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Old 02-08-2011, 07:54 AM
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Re: Thrust lines

If it is like the one I had, each wing panel is made up of 3-4 chunks of foam you glue together with the spars. The ailerons and elevator are really small and would not be effective for 3d. Good for pattern and general flying. That's the main reasons I sold my kit. I had 2 sets of plans so I figured if I was going to build one it would be so modded that the original kit was useless to me.
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