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Old Nov 06, 2012, 07:40 PM
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THESANDMAN's Avatar
United States, NY, New York
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Quote:
Originally Posted by feefo View Post
I wrap the servo in masking tape and use a good blob of medium CA. If you need to remove the servo then the masking tape can be cut and the servo comes out (a bit) easier.
nice , i learned something new . going to start using this method on all my planes .
thanks for the tipbit of info
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Old Nov 06, 2012, 09:31 PM
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Joined Oct 2009
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First launch of a friend's FJU on a ramp we recently built.

Though we can't figure out what that sound is

Multiplex Funjet Ultra Hits Vtec (300km/h) (4 min 25 sec)
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Old Nov 06, 2012, 09:53 PM
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United States, GA, Jonesboro
Joined Nov 2010
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un balanced prop? do you have a metal motor mount? when you run these high rpm motors, its imperative to have a very balanced prop. could also be bad bearings.
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Old Nov 07, 2012, 08:56 AM
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United States, CA, Los Angeles
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So any servo recommendations for the Funjet Ultra?
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Old Nov 07, 2012, 10:22 AM
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United States, GA, Jonesboro
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Originally Posted by Left Coast DJ View Post
So any servo recommendations for the Funjet Ultra?
metal gear, high torque.
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Old Nov 07, 2012, 10:29 AM
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United States, GA, Jonesboro
Joined Nov 2010
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im trying to figure out how to get 6v run to my servos. i have a turnigy bec, and theres a seperate 6v output on the bec, that ive never seen anyone use. ive hooked up bec's in the power lines, and run with a seperate 2cell batt. but theres a seperate 6v output on most bec's, that ive never seen anyone use. maybe instead of using the normal rx hookup, run a male to male servo extension from the 6v output on the bec, to the rx. and just leave the existing bec wire unhooked. any ideas?
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Old Nov 07, 2012, 11:56 AM
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United States, CA, Los Angeles
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Quote:
Originally Posted by gchrisgo34 View Post
metal gear, high torque.
Hitec MG65 or MG82? Or another?
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Old Nov 07, 2012, 12:49 PM
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Staffs, UK
Joined Apr 2009
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HS82's will need you to remove some foam, 65's should go straight in.
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Old Nov 07, 2012, 12:53 PM
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Staffs, UK
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Quote:
Originally Posted by THESANDMAN View Post
nice , i learned something new . going to start using this method on all my planes .
thanks for the tipbit of info
Even on my molded slopers I wrap servo's in tape, but then use a epoxy + microballoon mix. Again if you need to remove them, cut the tape.
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Old Nov 07, 2012, 12:55 PM
windyhill
United States, AZ, Kingman
Joined Jan 2009
84 Posts
Wanted, fun jet battery hold down plate. If anyone hads a crashed f j please give me a e mail. Need it bad

Ron
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Old Nov 07, 2012, 01:01 PM
186mph Funjet Ultra
E-speed buff's Avatar
nieuw vennep, the netherlands
Joined Feb 2010
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Quote:
Originally Posted by windyhill View Post
Wanted, fun jet battery hold down plate. If anyone hads a crashed f j please give me a e mail. Need it bad

Ron
You can easily make one from a scrap piece of 1/8 plywood.

Grtz Rene
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Old Nov 07, 2012, 01:09 PM
windyhill
United States, AZ, Kingman
Joined Jan 2009
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Originally Posted by E-speed buff View Post
You can easily make one from a scrap piece of 1/8 plywood.

Grtz Rene
I know but i need one for my pulsar pro 3.2 e.
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Old Nov 07, 2012, 01:23 PM
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Newmarket, England.
Joined Aug 2006
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Quote:
Originally Posted by nighthawk0077 View Post
First launch of a friend's FJU on a ramp we recently built.

Though we can't figure out what that sound is

http://www.youtube.com/watch?v=Myoe_H02ly8
I had a similar noise with mine which was the plastic motor mount.
I assume you have changed to a metal mount.
I've had the same noise on another fast model which was a not quite tight enough metal motor mount.
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Old Nov 07, 2012, 04:00 PM
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cjbucher's Avatar
Raleigh, NC
Joined Sep 2004
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Quote:
Originally Posted by nighthawk0077 View Post
First launch of a friend's FJU on a ramp we recently built.

Though we can't figure out what that sound is

http://www.youtube.com/watch?v=Myoe_H02ly8
Definitely sounds like an out of balance prop. You'll want to resolve that one quickly. If you were to watch the prop when it makes that noise you'd literally see it wobble as the forces of the imbalanced prop make your prop shaft flex. Your shaft could bend or break.
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Old Nov 07, 2012, 11:14 PM
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Melbourne Australia
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Quote:
Originally Posted by Left Coast DJ View Post
Going to start my Funjet Ultra build soon. Will start with a HiMax 3514 and then work my way up to an ARC.

What servos are you using on your Ultras? Will a Hitec 82MG fit into the pre-cut slots without any mods or are 65MGs a better bet?
HS 65MG's here.....on stock powertrain.
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