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Old Mar 11, 2010, 11:22 PM
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Build Log

Sukhoi PAK FA - EASYBUILD


Hey Guys,

The next 6mm Depron Easybuild is here.

Sukhoi PAK FA - EASYBUILD
Depron = 6mm
Wing span = 72cm (~28”)
Length = 100cm (~39”)

SETUP :-
Static thrust = Minimum 650g
Prop = 6x4 (up to 8" possible)
Motor = 2000kv
ESC = 25A minimum
Battery = 1350mAh 3s1p 25C Li-Po
Radio = 3CH
Elevon throw = +/- 20 degrees
Expo = 40%
COG = 6cm from wing break

Features include:-
Simple thrust vectoring.
Ample expansion space for large diameter prop up to 8".
Only two servos required for elevon controls.
Possibility of adding ailerons if required.
Tabbed construction for easy alignment.
Scaleable down to 50%, still with 4.5" inch prop.
Self angled vertical stabilisers.
Battery/Electronics compartment with access hatch.

See post #20 for some build photos.
https://www.rcgroups.com/forums/show...1&postcount=20

-----------------------------------------------------------------
See PDF for change Log.
-----------------------------------------------------------------

NAC
Last edited by nac; Jul 08, 2012 at 09:44 PM. Reason: Added Tiled planes
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Old Mar 11, 2010, 11:26 PM
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Subscribed!!! Will see how soon I can get to build. Trying to decide between 50% and 66% scale. Either way, she'll be souped up with an 1806N 2500kv motor.

Ksqm
Old Mar 11, 2010, 11:28 PM
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Some pics of the Sukhoi PAK FA


Some pics of the Sukhoi PAK FA.....
Last edited by nac; Mar 16, 2010 at 04:00 PM.
Old Mar 11, 2010, 11:30 PM
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Quote:
Originally Posted by ksqm View Post
Subscribed!!! Will see how soon I can get to build. Trying to decide between 50% and 66% scale. Either way, she'll be souped up with an 1806N 2500kv motor.

Ksqm
I printed out 50% on four A4 sheets just for fun. It looks like an indoor micro.
Old Mar 11, 2010, 11:40 PM
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I did a ToxicToast F14, with Maybz tail feathers at 14.5 WS from 6mm depron. It's nice with an 1811 2000Kv motor. I see this 14" to 18" WS/6mm depron and an 1806N 2500Kv motor. It'll never fly indoors.

Ksqm
Old Mar 12, 2010, 12:16 AM
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Nick I Have a set of print outs at 100% and 50%. The 50% templates have been cutout and dry fit tested. So far all looks ok. Tabs line up, etc Will use 3mm depron for the 50% build. Thinking of using the guts of the PZ SU-26m, which will be interesting, should keep it lite, servo line up may not work though, will see
Ian
Old Mar 12, 2010, 12:21 AM
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Perhaps try 60%. You should be able to fit a 5" prop.
Last edited by nac; Mar 12, 2010 at 12:46 AM.
Old Mar 12, 2010, 01:30 AM
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I hope someone does a cnc kit for this when it gets the bugs worked out. I can cut foam in a straight line to save my life.

I have a electronics setup with out a home.

Also have some 5in stuff as well.
Old Mar 12, 2010, 05:42 AM
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I'm just half way of cutting all the depron parts!!!
Old Mar 12, 2010, 10:21 AM
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All I can say is that you are a very bad man


Come on Aussie c'mon, c'mon...


Paul
Old Mar 12, 2010, 01:16 PM
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Quote:
Originally Posted by nac View Post
Hey Guys,

The next 6mm Depron Easybuild is almost here.

Sukhoi PAK FA - EASYBUILD

NAC
http://nickcara.homeserver.com/NAC/welcome.html

Thanks NAC for the BETA plans, i was working on this as well but you made my life much easier.

Hope you don't mind but i shrunk your plans down to a 65% version which came out to 18.25 wingspan.

I'll post pics when i get it done, trying to decide if i should do it in EPP or 6mm depron.

-Steven
Last edited by profilefan; Mar 12, 2010 at 01:43 PM.
Old Mar 12, 2010, 03:23 PM
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Quote:
Originally Posted by profilefan View Post
Thanks NAC for the BETA plans, i was working on this as well but you made my life much easier.

Hope you don't mind but i shrunk your plans down to a 65% version which came out to 18.25 wingspan.

I'll post pics when i get it done, trying to decide if i should do it in EPP or 6mm depron.

-Steven
Thats fine.
Be aware that the battery compartment cover needs to be lengthened by around 5mm along with a few other changes.
BETA plans updated to V1.03.
Last edited by nac; Mar 14, 2010 at 03:34 AM. Reason: V1.03 uploaded.
Old Mar 14, 2010, 06:16 PM
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Nick, one good set of plans! Almost have this one built. Now deciding on color scheme. Found this other picture of the PAK FA, think I'll do it this way.
Old Mar 14, 2010, 06:58 PM
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The plans are almost good to go. I have a couple of minor changes to do. And then just need to wait for a maiden to check cg.
Old Mar 14, 2010, 08:35 PM
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Quote:
Originally Posted by ksqm View Post
Subscribed!!! Will see how soon I can get to build. Trying to decide between 50% and 66% scale. Either way, she'll be souped up with an 1806N 2500kv motor.

Ksqm
Subscribed as well. I would go to 66% with the 1806N motor.

Pat


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