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Old May 24, 2011, 12:33 PM
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Build Log
HET 90mm Composite L-39 By Turbo Fan Electrics ~~VIDEO ADDED~~

Hello all HET just released their 90mm composite L-39 and we are going to do a build/flight review for everyone. The glass work is beautiful on this jet and apparently HET has been listening to everyones request as they used Epoxy in the construction and not heavy and brittle polyester resin! Below are the specs and a few pictures to get your L-39 juices flowing.

http://www.shop.turbofanelectrics.co...2&categoryId=9


Features:

- Epoxy composite pre-painted fuselage and stabs
- Full intake/exhaust ducting with NO cheater holes
- Balsa foam sheeted wings
- Laser cut retract plywood mounts included
- Clear canopy
- Decal set
- Wing tip tanks included

Specifications:

- Wing Span : 1118 mm (44")
- Length : 1400 mm (55")
- Flying weight : 4000 grams



We plan on using a set of 90mm-120mm RC-Lander electric retracts and modifying them to accept the HET oleo struts. For anyone interested in this mod we will be selling RC-Lander electric retracts that will come ready to install with the HET oleo struts. More to come shortly.


best regards,
William



HET L39 Maiden Flight by Turbo Fan Electrics (3 min 19 sec)



HET 90mm L39 promo by TURBO FAN ELECTRICS (3 min 53 sec)
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Old May 24, 2011, 12:54 PM
Registered User
England/uk
Joined Oct 2007
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William

Hello,
i do hope that finally HET have listened to customers comments ,generally i have found the quality and fit of parts to be poor at best,
good luck watching with fingers crossed
cheers Euan.
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Old May 24, 2011, 01:23 PM
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Super. Is the rudder precut? It was not on the prototype.

Flemming.
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Old May 24, 2011, 01:26 PM
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Tampa, FL
Joined Apr 2002
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Hello Euan I'm just getting started on the build on the HET 90mm L39. Time will tell, but the finish on the glass seems to be nicely done.

Flemming the rudder is not pre-cut, but should be a easy modification.


best regards,
William
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Old May 24, 2011, 05:13 PM View Post
AceMigKiller
A moderator felt this post violated the following rule: Excessive Advertising (Over-competition). Show it to me anyway.
Old May 24, 2011, 11:08 PM
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Man that looks awesome. I love the 2010 Breitling scheme.

Will watching this thread closely.
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Old May 24, 2011, 11:18 PM
Team EJF >>>WHOOSH>>>
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Their newer models really do step up the bar.
The HET L-39 went to together much like other well known companies here in the US. Maybe not quite as easy, but just a little extra brain power and elbow grease results in a beautifully flying model. The HET L-39 is currently my favorite EDF jet to fly.

Vic
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Old May 25, 2011, 08:19 AM
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Alright we start the build off with the fan mount install. Please take note that you don't want to mount the fan/motor assembly yet because the rudder/elevator wires need to be installed still.
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Old May 27, 2011, 08:58 PM
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Next we are going to move to the nose gear retract install. I've decided to use the Rc-Lander 90-120 electric retract units. Because of this the rail system needs to be modified as the Rc Lander retracts won't fit otherwise. Follow the pictures below and the modification is as simple as removing a few pieces of plywood and relocating them for clearance reasons. I will be fabricating a nose gear after the maiden flight, but for now I'm going to move on to the rudder assembly.
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Old May 27, 2011, 09:24 PM
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Like all of the HET jets the rudder needs to be cut and added. First thing on the list is to remove the rudder from the vertical stabilizer. Follow the steps below to achieve a workable rudder system.
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Old May 28, 2011, 10:47 PM
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Next we move onto the horizontal stabilizer installation along with the elevator servo install.
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Old May 29, 2011, 01:04 PM
Lee Liddle
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OK I want one. You can stop now, or I`ll have to unsubscribe until I can fit one on the work bench.
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Old May 30, 2011, 10:20 PM
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No kidding!

Im working on my justification for the wife. But then I remember the old saying, sometimes it is easier to ask for forgiveness than to get permission
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Old May 31, 2011, 07:58 PM
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Tampa, FL
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HET has definately stepped up their game with this L39!


Quote:
Originally Posted by Knife Liddle View Post
OK I want one. You can stop now, or I`ll have to unsubscribe until I can fit one on the work bench.
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