Electric RC Jets Discuss rc electric ducted fan or radio control prop jets here.

Savex L39

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Old 07-30-2012, 10:50 AM
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wop flyer
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Default Savex L39

Hi, I have just picked up a Savex L39. I have the Carbon Ducting, Schubeler DS-30-DIA HDT, Jeti Advance77 opto plus,
LMT TYP1940/12WDG Motor, all came with it. I am new to EDF Jets but it was a bargin, so i had to buy it. So can Anyone help me with the following.
What Servos to use, Lipos, I would like to put Electric Retracts on it.
I will be Greatfull of any help, Thanks
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Old 07-30-2012, 07:26 PM
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Default RE: Savex L39

Something does not add up with your description:
1) The Savex L-39 is a 90mm size model
2) the DS-30 is a 69mm fan

Either you have a DS-30 (which won't fit the airframe) or you mis-spoke and you really have a 90mm DS-51? I'd guess by your motor description that you have a DS-51
Use this fan calc to refine your choice of batteries and expected power:
http://www.s4a.ch/eflight/fancalc_e.htm

Suggestion; don't go cheap on servos, use at least metal gear and enough torque.




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Old 07-31-2012, 11:25 AM
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Default RE: Savex L39

Sorry looking at the wrong page on fan instructions. Have you any Specific Servos in mind?
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Old 08-01-2012, 08:42 PM
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Default RE: Savex L39

Build one for a friend.

Lots of information in rcxxxgroups.

Used two mini hitec digital servos for elevator, one standard servo for rudder, two mini digitals for ailerons, and one standard servo for steering. They were high torque max 70 oz inch.

The jet a1 retracts considered over priced and had problems with the front retract, check tams jets formretracts.

Not sure about the specs of your motor but the one i build was neu ans used 50000 mha 8s and produced about 2800 watts.

Go to the other site for best info.

Cheers juan
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Old 08-05-2012, 09:34 AM
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Default RE: Savex L39

Thanks Juan, this gives me plenty to go on.
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Old 08-05-2012, 01:44 PM
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Default RE: Savex L39

Have a look here
http://www.rcgroups.com/forums/showthread.php?t=1184285
Cheers
Steve
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Old 08-06-2012, 12:34 PM
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Default RE: Savex L39


Hy Steve:

This is the big thread you want to read

http://www.rcgroups.com/forums/showthread.php?t=908112

I posted some buiding picutes on page 16 gray savex.

If I have to build one again will go MINI on all surfaces exept ruder since a standard servo is easy to glue inside rudder. Tams Jet Retracts with foam wheels.

The trhust tube is hard to get in and get out.

Keep it light as it has a tendency t bunny jump on landings ruining the retracts.

Cheers

Juan
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Old 08-28-2012, 07:18 AM
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Default RE: Savex L39

HAB Electronic in Sweden got alot of custom parts for the L39. They have built alot of them for customers and have kits ready to ship for makeing the install easier.


http://www.hab.se/cnc-brygga-for-hoj...675-c-614.aspx

Email tomas@hab.se or amir@hab.se for more info and priceing. I even think Tomas made a build thread where he shows all his parts made for the EDF build
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