My new Jet-Teng Models (JTM) L-39 Albatros - RC Groups
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May 01, 2011, 08:03 AM
Registered User
Build Log

My new Jet-Teng Models (JTM) L-39 Albatros


Hello fighters...

I finished build of my new L-39 Albatros made by Jet-Teng Models > http://www.jet-teng.com/main/2008117...20098810473498 It's a matter of my heart because I see this jet every morning when I go to work I had to modified some things on mind. I used 5 servos HITEC HS-225 MG with EZ servo mounts on ailerons, flaps and rudder, 2 servos HITEC HS-125 MG on elevators and one TURNIGY S3317M metal gear servo for nose gear controlling. I have got separate external TURNIGY MEGABEC 8A with 2S Turnigy 1600 mAh for receiver FUTABA R6014HS FASST 2,4 Ghz. My power system is carbon edf VASAFAN 90mm (http://www.vasamodel.cz/img/foto_90_02.jpg) with original carbon intake lip powered by motor HET TYPHOON 700-68-1680 kv and ESC CASTLE CREATIONS ICE 100 (I made external fan for improve cooling during flight) with 8S TURNIGY nano-tech 4500 mAh 25-50C lipos. I had to molded my own intake and I made thrust tube with exhaust diameter 72mm, I measured in this configuration more than 4,4 KG of static thrust...I used original JTM scale struts with newest E-FLITE tricycle 60-120 full metal electric retract landing gear system which is designed for aircraft with RTF weight up to 7 kg...work very nice and is very strong...Cockpit is for BAE HAWK but I modified it according original L-39 cockpit...flaps are moving slowly by this great modul: http://www.hobbyking.com/hobbyking/s...idProduct=8863 Here are some pictures of my build, after maiden flight I will share video...Here are two videos from test of function of my flaps and retracts...ENJOY

E-Flite retracts on my Jet-Teng Models (JTM) L-39 Albatros (0 min 39 sec)


Flaps on Jet-teng models (JTM) L-39 Albatros (0 min 41 sec)
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May 01, 2011, 09:54 AM
Registered User
7kg That's a bit heavy isn't for such a small plane?
May 01, 2011, 10:20 AM
Capt. Z
falcon5's Avatar
The plane looks GREAT!!! nice work!!!. I love the cockpit..looks awesome!!!

Good luck on the maiden flight. Let us know how it goes.
Last edited by falcon5; May 01, 2011 at 10:25 AM.
May 01, 2011, 11:49 AM
Registered User
NO, retracts are designed for planes up to 7 kg, my isnīt that heavy...

Quote:
Originally Posted by jetfan20
7kg That's a bit heavy isn't for such a small plane?
May 01, 2011, 04:24 PM
Registered User
kimhey's Avatar
Very nice indeed! Good luck with the maiden flight
May 02, 2011, 02:14 PM
Registered User
I have a little concern from maiden flight because the model is a little bit heavier but I canīt wait to see him fly ...
May 03, 2011, 03:38 AM
who dares wins
like2fly!'s Avatar
Nice! What is your ready to fly weight?
May 03, 2011, 07:46 AM
Registered User
Awesome!!
Your plane looks great!!

Thanks for taking the time to post all those pictures, you have saved me a lot of time
planning some parts of my build!
If I have a question, I'll just look at the pics you posted..... :-)

I do have a question....?
The control horns for your flaps appear different from the others.
My kit did not contain those "straight" horns.
Mine are all offset like your aileron ones....
Did those come with your kit?
Are they straight for a reason, more leverage maybe?

So, what is your final weight?
I'm also a little nervous about what my final weight will be.
I plan to just land hot the first couple of times and no steep banks in the landing pattern.
It appears you have a long runway, so that should help.

Good luck with your maiden and please keep us posted.
Thanks again for the pics!

Bill B.
May 03, 2011, 02:11 PM
Registered User
Hi...

Thanks...Control horns on my flaps are my own home made, these straight control horns help reduce flat torque of servo because the originals horns were not good, servo has problems with hold down position...Yes, we have a long runway and I counting on it

Quote:
Originally Posted by carrot41
Awesome!!
Your plane looks great!!

Thanks for taking the time to post all those pictures, you have saved me a lot of time
planning some parts of my build!
If I have a question, I'll just look at the pics you posted..... :-)

I do have a question....?
The control horns for your flaps appear different from the others.
My kit did not contain those "straight" horns.
Mine are all offset like your aileron ones....
Did those come with your kit?
Are they straight for a reason, more leverage maybe?

So, what is your final weight?
I'm also a little nervous about what my final weight will be.
I plan to just land hot the first couple of times and no steep banks in the landing pattern.
It appears you have a long runway, so that should help.

Good luck with your maiden and please keep us posted.
Thanks again for the pics!

Bill B.
May 03, 2011, 02:12 PM
Registered User
It is more than 4 kg...

Quote:
Originally Posted by like2fly!
Nice! What is your ready to fly weight?
May 03, 2011, 02:51 PM
Pursuit of Happiness
Ron101's Avatar
Right on!
Did you have him sign it?

that must have been fun

thanks for sharing


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