New hitec 7950TH

[henke]

	Quote: Originally Posted by rcflyer
	Could be a batch related issue

I thought so too, I gave Hitec the chanse to act and ship me 5 new servos when I first noticed the oxidated wiering, but they did´t really seem intrested in solveing my problems. (sending the servos in for changeing the wiering is not a quick fix)

Same with the glitchng issue... I'm really surprised that they are not asking me to ship my servos to them ASAP returning 10 new servos and a hand full of baseball tickets...

[henke]

Video

YouTube - MOV07514

[khedge]

Hey guy was also getting some glitching too. Am going to call hitec and send my 2 7950's in to get checked out. The servos are extremly quiet I was able to set up the two on my rudder with out programming them.

[Mike Mayberry]

Please list the system being used as we cannot duplicate this with the Aurora and Hitec AFHSS.

henke- Were these purchased from the USA or elsewhere?

Mike.

[TManiaci]

...

[willmottd]

henke, thanks for posting the video, this is exactly what i have also experienced. Again, Major jitters on top of the glitching until i used twisted wire to the 7950's in the tail.
Mike, I have my setup in a TT TOC 40% Pitts.
Fromco 2-5200 Batteries, (I also tried 3300 Li-po's)
JR-12x Transmitter
1222-receiver
1-7955 on Thro
4-7955's on Aile
2-7950's on Push-Pull Rud
2-7950's on Elev
JR-HD wire extensions
Smart-Fly optical ign cut off.
I purchased my 7950's at CheifAircraft about a little over a month ago. I am only seeing the issue on the Elev/Rudd

[Norio79]

Hey Mike,
This is my setup:
Hangar 9 35% Extra 260
Spektrum DX7se
JR DS821 on Throttle (3 diodes in series for voltage regulation)
4 7955TG on Ailerons
2 7955TG on Elevator
1 7950TH on Rudder
JR R922 Powersafe Reciever
Smart-Fly ignition cutoff
2 Thunder Power ProLite 2S 2100 Lipos on Rx

Glitching on the rudder looks pretty much the same as Henke's video. Control surfaces have twisted HD wire extentions.

[henke]

	Quote: Originally Posted by Mike Mayberry
	Please list the system being used as we cannot duplicate this with the Aurora and Hitec AFHSS. henke- Were these purchased from the USA or elsewhere? Mike.

Germany

The setup is a JR/Spectrum setup useing multipple recivers. useing twisted wiering to the servos.

[Mike Mayberry]

So the commonality is Jr/Spektrum. We'll do some more testing.

Henke- Your servos are warranted through Multiplex/Hitec Germany.

Mike.

[davesrcmodels]

Where can i get metal heavy duty servo horns? I am building H9 Extra 35%. I have used JR servo's before, but i used the JR heavy duty arms

[PSF]

swb makes arms so does airwild you can buy them from the manufacter or troy built models,cheif aircraft.

[Azhar]

Or you could also try Secraft arms. This one is on my 35% AW Extra 300.

[STLAV8R]

How much do the Secraft servo arms weigh compared to SWB? (It all adds up!)

[Azhar]

The pull-pull arms weigh 11g

A 1.5" arm weighs 5g

I do not have the weight of the tray but will post that soon.

[Mike Mayberry]

[quote=Mike Mayberry]So the commonality is Jr/Spektrum. We'll do some more testing. /quote]

The only way we could duplicate the problem using our our 36" HD extensions with an AR7000 was to go above 11V. 2S Lipo was fine and anything below 11v was fine. Of course that is way beyond what you should be using. I would try using the Hitec HD braided extensions w/gold connectors which isolates each wire or equivalent.

Mike.