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Dec 04, 2018, 05:38 PM
i can't learn fast enough
Discussion

desire to build f22 raptor


I would really like to build a 44 to 50 inch wing F22 raptor.
I was wondering if someone could recommend the most realistic set of plans known.
I plan on using 1/4 foam and would like to try retracts.
I have looked at several plans and am unsure which would be the best to enlarge.
Any thoughts, ideas and or your expert advice.
Thanks
Terry
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Dec 04, 2018, 07:30 PM
Retired CAD guy
birdofplay's Avatar
the F22 plan form works good at any size.

https://www.rcgroups.com/forums/show...r#post35186115

There seem to be any number of plans for the F22.

Just go for it.
Dec 04, 2018, 08:00 PM
i can't learn fast enough
Thanks much Bird.
I have been looking at so many f22's that I think I am getting dizzy, not that I am not already there, hehehhe.
Just wondering which would suitable, I enjoy building even a little more than I do flying.
Thanks much.
We will see what happens.
Terry
Dec 04, 2018, 11:50 PM
Retired CAD guy
birdofplay's Avatar
We northern dwellers have all winter for long builds.

However, the Slide On Ground capability includes SNOW too :>}

Get your self a box of MPF foam from Springer and get to work cranking them out !
http://www.modelplanefoam.com/

Bob @ Hoosier Cutout Service
Dec 05, 2018, 04:38 PM
Went to mow a meadow
frank48's Avatar
I like the look of this one - https://www.rcgroups.com/forums/show...Raptor-Parkjet

There is the option of using some 3d printed parts aswell
Dec 05, 2018, 05:22 PM
i can't learn fast enough
Thanks much Frank.
My thanks also to clickey,
What is the wing span?
Do you know what material Clickey used.
Thanks again.
Yes it is a long winter.
Terry
Dec 05, 2018, 05:30 PM
i can't learn fast enough
Bob.
I know you cut a lot of planes.
Would the MPF be strong enough for a 4 ft wing on the f22.
I built one earlier with pink foam using a kf2 wing, was ok but it was one of my 1st bigger planes do am not sure.
Your thoughts.
Thanks
Terry
Dec 05, 2018, 11:30 PM
Retired CAD guy
birdofplay's Avatar
At 4' I would likely employ some judicious use of Carbon Fiber tube.

I have a 72" Flying Wing that only uses KF plus a CF BLADE ~ 5mm wide
Crossbow 2x 72" span (0 min 0 sec)
Dec 06, 2018, 09:40 AM
Went to mow a meadow
frank48's Avatar
Quote:
Originally Posted by Terry Glenn
Thanks much Frank.
My thanks also to clickey,
What is the wing span?
Do you know what material Clickey used.
Thanks again.
Yes it is a long winter.
Terry
Its 731mm which is just a bit more than 29 inches so 1.5x is close to the 44" you're looking for

Clickety uses 6mm depron with a carbon spa for building materials. There is the option to use a 3d printer for
various parts.

If you are on facebook he has a page there with more details. https://www.facebook.com/groups/1826370074287164/

I dont know what level of experience you have working with foam but he does have a number of "how to" videos on youtube


F-22 Raptor Build Guide (41 min 53 sec)


https://www.facebook.com/groups/1826370074287164/

Hope this helps you out...

Cheers

Frank
Dec 06, 2018, 10:12 AM
An itch?. Scratch build.
eflightray's Avatar
Quote:
Originally Posted by Terry Glenn
I would really like to build a 44 to 50 inch wing F22 raptor.
I was wondering if someone could recommend the most realistic set of plans known.
I plan on using 1/4 foam and would like to try retracts.
I have looked at several plans and am unsure which would be the best to enlarge.
Any thoughts, ideas and or your expert advice.
Thanks
Terry
Are you thinking prop, (in-a-slot, pusher), or EDF ?

Profile build or full fuselage build to take those retracts ?

.

Addition: a search of the electric forum for threads with Raptor in their titles, came back with over 200 threads listed.
There's a lot out there, (though not all will be on the F22)
Last edited by eflightray; Dec 06, 2018 at 10:20 AM. Reason: Addition
Dec 06, 2018, 02:19 PM
i can't learn fast enough
Thanks to all.
Will be pusher, maybe prop in slot, depending on fuse.
Will be a full fuse.
Still debating on Slide on Ground or Wheels.
Right now it looks like either Clickey's or Jets 44.
Need to study the plans more.
Looks like both will have to enlarge to 150% I think.
Keep the ideas coming as I really appreciate the input.
Regards
Terry
Dec 07, 2018, 07:47 PM
i can't learn fast enough
Well I am back again.
First thanks for your patience and understanding.
Well after careful consideration, and looking at several grass runways, I have decided not to use wheels.
So I am back to a slide on the ground type.
Based on this, I don't think I could place the motor at the rear, and still be able to slide.
Therefore I am looking to build the most accurate possible F22 but with a mid motor mount. Unless you think I can rear mount it.
I still think the plane will come it at 5.5 to 7 lbs.
I have looked at Otto's large f22, as well as Bird's. Not sure just how to incorporate full fuse.
Still would like a little more realistic , with a full fuse.
Any thoughts and or input from you wonder builder's would be most helpful.
Kind regards
Terry


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