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Old Sep 02, 2003, 09:23 AM
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lphan's Avatar
Canton, MI
Joined Apr 2003
740 Posts
F-104 Starfighter Project 1/16th scale

My next project will be a pusher prop F-104 Starfighter (no cheating on wing area).

1/16 th scale would bring the:

Wing Area to 110 sq in
Length: 41.0625 in
Wing Span: 16.4375 in

Flying weight goal: 17 oz
Wing Loading: 22.3 oz/sq ft

Stay tuned !
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Old Sep 02, 2003, 09:24 AM
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Old Sep 03, 2003, 08:20 AM
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I hope you're a good pilot!

Power?

Matthew
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Old Sep 03, 2003, 09:07 AM
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Canton, MI
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Matt,

Here's a link to my previous project.
I'll be using the same powerplant on the 104

http://www.rcgroups.com/forums/showt...&highlight=f16

Le
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Old Sep 03, 2003, 05:40 PM
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Sacramento, CA
Joined Aug 2003
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Great control system, but what if...

I admired your F-16 control system, and posted my question there first. I'll try again here - what would happen if you abandoned moveable tail surfaces altogether, and went with all-moving wings? Increase AOA = climb, decrease AOA = dive, opposites for roll. This would move all weight to the center, allow really sturdy/simple tail (particularly as the F-104 is a T-tail).

I'm most interested in this as an aerodynamic point. For aircraft with small structural loads like models, why wouldn't this be a much more efficient system? I seem to remember an old slope-soarer that flew this way, was scary as all hell...

Hmmm. I'd try it, but I'm working up a Super Decathlon...
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Old Sep 03, 2003, 05:46 PM
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Matthew Allen's Avatar
Luxembourg
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Iphan,

I remember that F16 - I was impressed.

Will this one be foam or balsa?

Matthew
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Old Sep 03, 2003, 06:07 PM
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Calgary, Alberta, Canada
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Best wishes - should be a fun challenge. Balsa construction?
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Old Sep 04, 2003, 08:35 AM
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East Anglia, UK
Joined Sep 2002
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If you end up with any free drawings?
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Old Sep 04, 2003, 08:36 AM
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Canton, MI
Joined Apr 2003
740 Posts
NateDog,

Now I understand what you're talking about. Yes, I've thought about the same controls, having a totally fixed tail and moving using both wings as controls. I'll give it serious consideration. My only concern is the F-104 has anhedral, the wings are very close to the ground, I'm afraid they might rip off on landing, especially if I have to pivot them.

For now I think I'll stick with standard ailerons and elevator.

Matt and Thomas, it will be standard built up balsa like the F-16.

Le
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Old Sep 04, 2003, 08:50 AM
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Canton, MI
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Dear Vintage1,

Like the F-16 I will post the .dxf file on my website after I'm finished. There's a link from the F-16 discussion mentioned previously.

Here's my progress so far for the F-104.

Cheers,

Le
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Old Sep 04, 2003, 09:27 AM
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Canton, MI
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Old Sep 04, 2003, 12:35 PM
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East Anglia, UK
Joined Sep 2002
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Looks great. Is that balsa planking on a crutch-and-former?

I don't thing the small wing matters, as long as the rest is light.

It will just be a bit draggy with that relatively huge fuselage.

I reckon a DF would work in that with an extra air intake under the fuselage.

Plenty of exit diameter.

Should be spectacular in the air anyway.
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Old Sep 04, 2003, 09:30 PM
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Raleigh/Durham Intl, North Carolina, United States
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Le, looks great! Can't wait to see how it works out on the scale wing area.
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Old Sep 08, 2003, 08:19 AM
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Model update
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Old Sep 08, 2003, 08:21 AM
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Update 2
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