charlie holdford Posted May 17, 2019 Share Posted May 17, 2019 Hi All, Just setting up a new build trainer, Seagull e Pioneer Using a servo tester I can see the standard max travel in each direction 800 - 2200 which gives a theoretical centre of 1500? However, my tester also stops at say (arbitrary value) 1479 prior to going to 1500. Am I right in thinking a. This is the actual servo centre (each being different)? b. I should use this value to align the control surfaces (ruler) to centre adjust the arms? c. Is this the way to set the initial trim? Cheers Charlie Quote Link to comment Share on other sites More sharing options...
Former Member Posted May 17, 2019 Share Posted May 17, 2019 [This posting has been removed] Quote Link to comment Share on other sites More sharing options...
charlie holdford Posted May 17, 2019 Author Share Posted May 17, 2019 Hi Percy Hmm I think its just I can not put it into words I agree I can setup with the TX and centre it with trim, but I have not got that far yet (no RX fitted). Just confused with the servo tester difference of what is centre..... What will the TX see as centre? Not much point in spending time aligning if it changes when the TX is in control, that's all Cheers Charlie Quote Link to comment Share on other sites More sharing options...
charlie holdford Posted May 17, 2019 Author Share Posted May 17, 2019 Hi Percy Hmm I think its just I can not put it into words I agree I can setup with the TX and centre it with trim, but I have not got that far yet (no RX fitted). Just confused with the servo tester difference of what is centre..... What will the TX see as centre? Not much point in spending time aligning if it changes when the TX is in control, that's all Cheers Charlie Quote Link to comment Share on other sites More sharing options...
Denis Watkins Posted May 17, 2019 Share Posted May 17, 2019 My tester has a simple centre button Charlie And this agrees with both makes of Tx and Rx that I use So for very little money you can get this type of tester Yours is still useful to see that the servo does work, and the range of surface throw They are just a useful aid and not seen as gospel Quote Link to comment Share on other sites More sharing options...
charlie holdford Posted May 17, 2019 Author Share Posted May 17, 2019 Understood, I will wait until I have installed the Rx and bound it to the Tx Cheers Quote Link to comment Share on other sites More sharing options...
Ron Gray Posted May 17, 2019 Share Posted May 17, 2019 Use the servo tester to get them to centre but leave final, mechanical adjustments for when you have the Tx connected. Try to set centre by mechanical means, ie by moving the servo arms on the splines then leave final adjustments, which should now be small, to the Tx. With my tester 1500 is centre but some servos centre slightly differently when the Tx is connected. Quote Link to comment Share on other sites More sharing options...
Former Member Posted May 17, 2019 Share Posted May 17, 2019 [This posting has been removed] Quote Link to comment Share on other sites More sharing options...
Former Member Posted May 17, 2019 Share Posted May 17, 2019 [This posting has been removed] Quote Link to comment Share on other sites More sharing options...
Martin Harris - Moderator Posted May 17, 2019 Share Posted May 17, 2019 If it's any help Charlie, I've built and set up countless models over the years and have never owned, or used, a servo tester. The advice to set up the servos mechanically as far as possible is extremely sound - when I started there were no adjustments - not even reversing and certainly no travel adjustments - available from the transmitter so you learnt this skill, which maximises mechanical advantage and servo resolution, from the outset. I've seen too many poorly thought out installations since returning to the hobby - these are largely due to the ability to drop servos into a model and use the programming to correct poor practice - you seem to be more aware than most beginners! Edited By Martin Harris on 17/05/2019 22:16:16 Quote Link to comment Share on other sites More sharing options...
Ron Gray Posted May 17, 2019 Share Posted May 17, 2019 Unfortunately Percy, despite servos being centred using a servo tester it is not guaranteed that they will be exactly the same when connected up to the TX. I use a variety of HiTec, Futaba, Savox and have found that the HiTec ones vary the most, the Futaba are the best. I am only talking about 1 spline out but it can be annoying. This is also true in operation with the Futaba ones being the most accurate when coming back to centre, I can easily overcome this on my FrSky kit or can program the HiTecs. At the end of the day you are controlling your ‘plane with your TX, not the servo tester! Quote Link to comment Share on other sites More sharing options...
ASH. Posted May 17, 2019 Share Posted May 17, 2019 Hi Ron, just out of interest.. What Futaba servos do you use? Quote Link to comment Share on other sites More sharing options...
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