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LEMON RX7

SERVO TWITCHING

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MARTIN PEARSON07/07/2020 21:38:14
3 forum posts

Hi just fitted a lemon rx7 into a hk tundra previous one was a orange,my tx is a JRPCM PXII with spectrum module ,never had issues with servo twitching before only when voltage was a bit high, but i purchased 2 lemon rx7 stabilizers and the servos twitch badly on and off, could any one throw any light on this please,,,,thanks in advance

Kim Taylor07/07/2020 22:52:12
318 forum posts
55 photos

I seem to recall that there have been some issues with the Lemon Rx stab+ when used with certain modules.

Check on the Stab+ thread on RCGroups.com - it's a big thread though, so be warned!!

hth

Kim

Keith Sharples07/07/2020 23:43:31
154 forum posts
2 photos

Hi. I'm puzzled why you need a stabilized rx in a Tundra. I have a Tundra and use a lemon 6 channel rx. Never had any twitching problems and it always flys around very stable with no problems at all. It's my most flown model, I use it as a warm up model as it's so stable. In fact nearly all my models have 6 channel lemon rx's in and never had a problem. The Tx is a Spektrum DX9 on DSMX

Simon Chaddock07/07/2020 23:57:10
avatar
5737 forum posts
3034 photos

Martin

I fear the twitching may be the result of the Spectrum module.

My two 7 ch stabs have never given a moments trouble for over 2+ years but it is with a Spectrum tx.

Denis Watkins08/07/2020 08:11:01
4544 forum posts
123 photos
Posted by MARTIN PEARSON on 07/07/2020 21:38:14:

Hi just fitted a lemon rx7 into a hk tundra previous one was a orange,my tx is a JRPCM PXII with spectrum module ,never had issues with servo twitching before only when voltage was a bit high, but i purchased 2 lemon rx7 stabilizers and the servos twitch badly on and off, could any one throw any light on this please,,,,thanks in advance

At initial switch on Martin, the RX7 as a little list of jobs to do to take control of the servos.

At switch on, the unit can take up to 20 seconds to initialize

After initialization there should be no movement of servos if the model is left alone.

Neil R08/07/2020 10:23:10
28 forum posts
3 photos

The incompatibility issue is between the Lemon 'plus' model and the DM8 or DM9 spectrum module in a 3rd party Tx. See here, about 1/3 of the way down:

**LINK**

This caught me out a while back, but I can't remember what the servos actually did.

Denis Watkins08/07/2020 10:39:33
4544 forum posts
123 photos
Posted by Neil R on 08/07/2020 10:23:10:

The incompatibility issue is between the Lemon 'plus' model and the DM8 or DM9 spectrum module in a 3rd party Tx. See here, about 1/3 of the way down:

**LINK**

This caught me out a while back, but I can't remember what the servos actually did.

Good spot Neil, and this is the quote

PLEASE NOTE: Customer with DM8 / DM9 module with the use of 3rd party transmitter should not be using this unit due to incompatability issue.

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