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Search: Posts Made By: Johng
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Forum: Twin & Multi Engine RC Aircraft
04-19-2020, 06:33 AM
Replies: 1,138
Views: 357,975
Posted By Johng

20cc seems like a bit much for an 80" twin. ...

20cc seems like a bit much for an 80" twin. Check out this 15cc gas motor that should drop in replace the 4-stroke.

https://www.valleyviewrc.com/rcgf-15cc-gas-engine
Forum: Twin & Multi Engine RC Aircraft
11-30-2014, 05:02 PM
Replies: 1,138
Views: 357,975
Posted By Johng

Go with what your little voice is telling you. ...

Go with what your little voice is telling you. Nyrods are not a good thing for elevator on anything as big as .60 size or bigger. For me, 60 size and bigger demand 4-40 hardware too. As for Nylon...
Forum: Twin & Multi Engine RC Aircraft
11-16-2006, 04:34 PM
Replies: 1,138
Views: 357,975
Posted By Johng

RE: OV-10 Bronco 81"

I assume batteries are in the fuse for CG?

What drove it to weigh 20 lbs? battery weight or?
Forum: Twin & Multi Engine RC Aircraft
11-16-2006, 11:01 AM
Replies: 1,138
Views: 357,975
Posted By Johng

RE: OV-10 Bronco 81"

I would love to see & hear much more about the electric version. Are those batt's in the center fuse? What's the power system?

Thanks
Forum: Twin & Multi Engine RC Aircraft
10-20-2006, 06:40 AM
Replies: 1,138
Views: 357,975
Posted By Johng

RE: OV-10 Bronco 81"

Dmyers, I missed the fact that you posted pics and flew with the flap hinges after you fixed them. They loolk great. That's the motion you want.

THey will probably fly very well. But if you...
Forum: Twin & Multi Engine RC Aircraft
10-11-2006, 12:20 PM
Replies: 1,138
Views: 357,975
Posted By Johng

RE: OV-10 Bronco 81"

Flite:

I have not seen a lower surface door on slotted flaps before. I wonder what that's about. Even on airliners where cruise drag is king, they just have the bottom skins faired to the flaps...
Forum: Twin & Multi Engine RC Aircraft
10-11-2006, 10:21 AM
Replies: 1,138
Views: 357,975
Posted By Johng

RE: OV-10 Bronco 81"

From Mike James' website, Nextcraft.com - here is a gif that shows a single hinge point slotted flap. A minor geometry change and you don't need to worry about the "double" slot 'flaplet'.

...
Forum: Twin & Multi Engine RC Aircraft
10-11-2006, 04:23 AM
Replies: 1,138
Views: 357,975
Posted By Johng

RE: OV-10 Bronco 81"

Nice, slotted flap hinges. Have you shaped the flap's top surface with an airfoil curve? What about extending the top skin of the wing back to form a slot lip?

Ooops, wait. I'm looking...
Forum: Twin & Multi Engine RC Aircraft
08-05-2003, 10:42 PM
Replies: 1,138
Views: 357,975
Posted By Johng

OV-10 Bronco 81"

Prop it with 13x5 or 13x6 and it will have almost vertical performance. I'd say 14x4 but that limits top speed. I don't guess you could be too happy with wing loading at that weight, but the power of...
Forum: Twin & Multi Engine RC Aircraft
03-19-2003, 03:24 AM
Replies: 1,138
Views: 357,975
Posted By Johng

OV-10 Bronco 81"

Good Lord! I already have more planes than I can keep operating/ build/ stay current on/ afford, but I really want one of these :greedy: Especially the fiberglass parts. Sheesh.

I gotta win...
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