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-   -   Redesign/build FEJ (https://www.rcuniverse.com/forum/rc-jets-120/11521586-redesign-build-fej.html)

EDFJim 05-25-2013 09:45 PM

RE: Redesign/build FEJ
 
1 Attachment(s)
flying NRT ORD tonight will be good to get back in the shop and post some more building pics

smaze17 05-25-2013 09:47 PM

RE: Redesign/build FEJ
 


ORIGINAL: EDFJim

Blast from the past tam F-16 1/8 :( :)

A great flying model

http://youtu.be/jE8KFdyyFxw

Radio not so great that day ..
Damn, a beautiful field that is ;)

S

dubd 05-25-2013 10:26 PM

RE: Redesign/build FEJ
 


ORIGINAL: EDFJim

Blast from the past tam F-16 1/8 :( :)

A great flying model

http://youtu.be/jE8KFdyyFxw

Radio not so great that day ..
Nice Viper!

That was my first jet! Mine was powered by a P-120 and was tons of fun.

EDFJim 05-25-2013 10:31 PM

RE: Redesign/build FEJ
 
wow p-120 would be a blast in that plane :)

dubd 05-25-2013 10:51 PM

RE: Redesign/build FEJ
 

ORIGINAL: EDFJim

wow p-120 would be a blast in that plane :)
Take off to vertical with smoke looked like the Apollo rocket!

bikecrasher 05-26-2013 06:25 AM

RE: Redesign/build FEJ
 
Hey hey hey tam..

i have one of the original skymaster f18E models with over 55hours on it and your pipe!!! Plus I have recomended a few guys over here in Perth Western Australia with your stuff!!
Keep up the good work mate..

Adrian

Wap4life 05-26-2013 07:04 AM

RE: Redesign/build FEJ
 
1 Attachment(s)

i have the new direct drive on my f-14. i'm not sure if anyone had any issues with the new system. i believe the the fej f-16 1.5 has the same system and have been flying with no issues. i know Ali did a build thread.

i kind of like the servo trays better but i am going to use what i have. i will make a few formers out of plywood for the rear of my jet. here are some pics

dubd 05-26-2013 08:13 AM

RE: Redesign/build FEJ
 
That set up is unproven. You're a FEJ beta tester.

Ali only has a few gentle flights on the F-16. Not sure if he is still a FEJ beta tester.

HORNET FLYER 05-26-2013 08:31 AM

RE: Redesign/build FEJ
 
nvm

Wap4life 05-26-2013 08:49 AM

RE: Redesign/build FEJ
 
Dubd that may be true, but i posted on the thread for possible solutions and help

Maybe Ali can chime in on his easy flights.

dubd 05-26-2013 09:01 AM

RE: Redesign/build FEJ
 
Wap, just saying not to assume it works. You are doing the right thing by asking for help.

Ali 05-26-2013 09:42 AM

RE: Redesign/build FEJ
 
I have around 20 flights Dantley, and I would not call them gentle. Sure they are not fast but I have been pulling it hard. I think the pull 45 half roll and then full up half reverse to exit positive AOA high alpha is far from gentle. Especially for a big old bird like the 16. However.. and here is the however... I am not 100% in love with the direct control system. It works, and has been working.. I just feel that there is potential for movement ( In the servo arm and then in the servo mount itself )
Regards Al

dubd 05-26-2013 09:54 AM

RE: Redesign/build FEJ
 
Ali, thanks clarifying. I hope you get to add another zero to your 20 flights. Please keep us aprised of any mods or maintenance needed for the direct drive system over the life of the plane. There are a lot of people who will benefit frim your experience.

Ali 05-26-2013 09:58 AM

RE: Redesign/build FEJ
 
Will do. I am actually looking at trying a mod to a more conventional control system ( External pushrod and servo arm ) Fairly soon. As clever as the direct servo drive system is, I do feel that it allows potential for unwanted control surface movement which is something I am really set against.
Regards Al

Wap4life 05-26-2013 10:53 AM

RE: Redesign/build FEJ
 
i really appreciate the update on the direct drive system on the FEJlargef-16 honeycomb 1/4! i look forward to seeing your mod.



thanks again Ali.

Falcon 64 05-26-2013 10:58 AM

RE: Redesign/build FEJ
 
I just got my 1:4,6 F-16, the one with the Tiger colors here: http://www.flyeaglejet.com/en/F161.46.html.

Mine has solid ply and all-cover carbon on all the formers behind TE of the wing, looks very good, very nice work.
Perfect amount of glue and high quality ply.
I have also (allready) balanced each elevator with 180 g lead, using hail from 5pc - 12 gauge shotgun cartridges in each. Mixed with 20 grams of epoxy.
And yes, I tested one elevator with-, and one without lead, and it performed as expected...
180 grams seems alot, but it`s nessacery to balance those elevators.
I will not use slats, and ailerons just as flaps, and ailerons/flaps will also be weight balanced when I get there.
A P200SX for power.

Wap4life 05-26-2013 11:03 AM

RE: Redesign/build FEJ
 
Does you're f-16 have the direct drive? Do you have pics of the inside?

Falcon 64 05-26-2013 11:28 AM

RE: Redesign/build FEJ
 
I don`t know what drive there is, cause there was nothing in the box.

But emailed FEJ and got a confirmed reply five minutes later, saying everything missed will be here next week.
Tried to upload pix, but receive a "500 error internal server error" message..
There should be a list for the customer to check he have received all the things included in the kit, but I guess that sorts out in the manual when I get it.
I`m impressed about both the inside and the paint.. No, I`m not a rep, just a happy owner.

dubd 05-26-2013 11:41 AM

RE: Redesign/build FEJ
 


ORIGINAL: Falcon 64
I`m impressed about both the inside and the paint.. No, I`m not a rep, just a happy owner.
I was a happy owner until my plane turned into a fireball... I was even considering a second plane from them. Hope you have better luck.

EDFJim 05-26-2013 11:47 AM

RE: Redesign/build FEJ
 
look at tams setup design for direct drive it will have to be built into the stab but I think would be a much stronger design.

Falcon 64 05-26-2013 11:47 AM

RE: Redesign/build FEJ
 
The difference is the balance..
Thanks, I know I will.

Area51.5 05-26-2013 11:48 AM

RE: Redesign/build FEJ
 
If I bought one of these I was going to request the old style pull/pull rod style, does the MAC look right with yours? Plus now from you can request ply, ply/carbon, or honeycomb bulkheads, I would get the ply/carbon of course.

ORIGINAL: Ali

Will do. I am actually looking at trying a mod to a more conventional control system ( External pushrod and servo arm ) Fairly soon. As clever as the direct servo drive system is, I do feel that it allows potential for unwanted control surface movement which is something I am really set against.
Regards Al

Shaun Evans 05-26-2013 11:54 AM

RE: Redesign/build FEJ
 


ORIGINAL: Falcon 64

The difference is the balance..
Thanks, I know I will.

Yeah!

God knows that's the ONLY difference! I don't suppose you happened to read Oli's thread? Well, nevermind, I just remembered that it wouldn't matter if the Good Lord himself came down and told you that it wouldn't have made a lick of difference...

EDFJim 05-26-2013 11:59 AM

RE: Redesign/build FEJ
 


ORIGINAL: Ali

Will do. I am actually looking at trying a mod to a more conventional control system ( External pushrod and servo arm ) Fairly soon. As clever as the direct servo drive system is, I do feel that it allows potential for unwanted control surface movement which is something I am really set against.
Regards Al
can you X-ray or borescope to see if the stabs shaft is built into the structure to transfer torque loads for a conventional control setup?

powerjets 05-26-2013 12:36 PM

RE: Redesign/build FEJ
 


ORIGINAL: Ali

Will do. I am actually looking at trying a mod to a more conventional control system ( External pushrod and servo arm ) Fairly soon. As clever as the direct servo drive system is, I do feel that it allows potential for unwanted control surface movement which is something I am really set against.
Regards Al
Ali's solution will actually relief torque forces on the elevator shaft and the cross bolts greatly


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