Cliff Bastow Posted December 12, 2012 Share Posted December 12, 2012 I use futaba 2.4. I have a model with a seperate servo for the tail wheel. I have set it up as a slave chanel to the rudder. problem is i need to reverse it without reversing the rudder chanel. does anyone know how to do this please? Quote Link to comment Share on other sites More sharing options...
Cliff Bastow Posted December 12, 2012 Author Share Posted December 12, 2012 i forgot to add its a futaba t7c Quote Link to comment Share on other sites More sharing options...
Codename-John Posted December 12, 2012 Share Posted December 12, 2012 can you not just reverse the individual channel you have the tailwheel servo plugged into ? Edited By Codename-John on 12/12/2012 20:52:02 Quote Link to comment Share on other sites More sharing options...
PatMc Posted December 12, 2012 Share Posted December 12, 2012 I'm not familiar with that particular Tx but it's pretty common that there will be a choice of mix range. Futaba is usually 0 % to + or -100%. You should choose a negative %. Quote Link to comment Share on other sites More sharing options...
Cliff Bastow Posted December 12, 2012 Author Share Posted December 12, 2012 I have tried reversing the channel the tailwheel servo is pluged into but it has no effect. reversing the rudder channel does work but of course then the rudder works the wrong way. have tried mix ranges too and that does not seem to do anyting? Quote Link to comment Share on other sites More sharing options...
John Privett Posted December 12, 2012 Share Posted December 12, 2012 I have a T7C and have just tried it. Both methods suggested above (by Pat and John) work. Quote Link to comment Share on other sites More sharing options...
John Privett Posted December 12, 2012 Share Posted December 12, 2012 OK Cliff, you've tried John's suggestion which is the easier of the two. Not sure why it doesn't work for you... So try Pat's. In the PMIX change it from +100% to -100% or vice versa! Quote Link to comment Share on other sites More sharing options...
PatMc Posted December 12, 2012 Share Posted December 12, 2012 ...but don't use both methods at the same time!!! Quote Link to comment Share on other sites More sharing options...
PatMc Posted December 12, 2012 Share Posted December 12, 2012 John, do you have to specify a switch for the Pmix with this Tx ? Quote Link to comment Share on other sites More sharing options...
Codename-John Posted December 12, 2012 Share Posted December 12, 2012 yes you do pat, its assignable to any switch Quote Link to comment Share on other sites More sharing options...
John Privett Posted December 12, 2012 Share Posted December 12, 2012 I'd have given the same answer! Quote Link to comment Share on other sites More sharing options...
cymaz Posted December 13, 2012 Share Posted December 13, 2012 Servo reverse lead. Or if you are using a Futaba servo put a Hitec on the rudder, I think they work the opposite way round to each other. Quote Link to comment Share on other sites More sharing options...
YakMad Posted December 13, 2012 Share Posted December 13, 2012 He does'nt need a servo reverse lead if the Master and Slave (tail wheel servo) are plugged into seperate channels. Make sure you only have this MIX set-up on one PMIX, if you have been playing around trying to get it to work and have set-up another mix the same you can get very strange results, inhibt all other mixes until you have sorted this, try to use channel 7 as the slave as this is not predefined by the software in the TC7. Pat is correct, you should set the mix percent to the slave channel in the negative to reverse the channel. Quote Link to comment Share on other sites More sharing options...
Martin Harris - Moderator Posted December 13, 2012 Share Posted December 13, 2012 Although you assign the mix to a switch you can set a null value to make the mix active in any position Quote Link to comment Share on other sites More sharing options...
cymaz Posted December 13, 2012 Share Posted December 13, 2012 Could try this . Just trying to help Quote Link to comment Share on other sites More sharing options...
steve-richards Posted December 13, 2012 Share Posted December 13, 2012 why dont you have the tail wheel attached to the rudder and set to the corect way Quote Link to comment Share on other sites More sharing options...
Cliff Bastow Posted December 13, 2012 Author Share Posted December 13, 2012 Many thanks all. sorted it out. Think i had an offset left in the mix from an old model. cleared the memory on this model and set the mix again and it works fine. just had to reverse the relavant chanel for the tail wheel. i canot use the same servo as the rudder because the plane has a full span elevator with the rudder above it. Quote Link to comment Share on other sites More sharing options...
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