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Hi Eddi changing the servos did not help. What I did find was an old thread from 2014 regarding a similar issue with a 550SX. The thread was titled 550SX tail assembly/wag issue, dated 22 June 2014 by a user named RotorWheels. In it, he mentions having a similar issue to ours. He notes that there appears to be two different types of tail spindle, a "flat nose" spindle and a stepped sby Trewix - Logo 200/400/500/600 Questions
Hi Eddi Thanks for looking at the video. I have uploaded the NEO setup file she was flying on in the video. She is flying on her original hi-tec tail servo.by Trewix - Logo 200/400/500/600 Questions
Hi Eddi So - I eventually got the time away from work to have another go - we put the logo 500 onto our Neo - we also gave her a set of brand new thrust bearings (a second set since this problem started!) and a new vbar head feathering shaft. She seems more stable in hover on the Neo (not solid, but better), but the wagging starts up as soon as any rudder input is given - it seems less pronounceby Trewix - Logo 200/400/500/600 Questions
Hi Eddi Sorry it took so long - work got in the way! So....with the other vbar, it wags quicker in flight, but did not hunt with the same settings. Static test. Both sides resisted movement with equal strength, but on return to centre it wagged continually about 10 degrees each way - the same happened for both sides. We lowered the overall gain - it made no difference, then we put the overall bby Trewix - Logo 200/400/500/600 Questions
Hi Eddie The tail servo is a Hi Tec HS-7966HB - she behaves exactly the same with an Align DS655 and the Futaba BLS256. The Futaba belongs to our 800 xxtreme, so we swop it out and change the settings for the futaba (760 etc) just for testing. Specifications for HS-7966HB: Modulation: Digital Torque: 4.8V: 92.00 oz-in (6.62 kg-cm) 6.0V: 111.00 oz-in (7.99 kg-cm) Speed: 4.8V: 0.10 sec/60°by Trewix - Logo 200/400/500/600 Questions
Hi Eddi We have the hi tec servo (her own one) back in. The log just shows normal entries - This is for the short flight when we took the video VBar Start -- LOGO 500 -- 03.06.2020 -- 09:54:38 09:54:38;1;Reset Reason: Power On 09:54:39;2;Bank 1 Loaded 09:54:41;2;Calibration Finished VBar Logfile End -- 03.06.2020 -- 09:55:52by Trewix - Logo 200/400/500/600 Questions
Hi Eddi - thanks for coming back to me. We did what you suggested and picked her up this morning - now she is really wagging. The video is with no rudder input at all - we were terrified she would go into full WOD if we touched the rudder! Her new setup file is attached. We've ordered her a new vbar head spindle shaft in case that is causing issues, but her logs from today report no vibration. Thby Trewix - Logo 200/400/500/600 Questions
Thanks Eddi. I have uploaded the photo's you asked for, but I am a bit stupid - how do I retrieve the setup files from the vbc as vbr's so I can upload those - can't find it in the manual - when I copied what I thought was the setup file to my pc it does not have the .vbr extension and I cannot open or upload it - I manually added the .vbr extension, so I hope it is readable!. Video of Daisy'sby Trewix - Logo 200/400/500/600 Questions
My logo 500 has been in storage for two years when we moved to the UK from South Africa. Before we moved, she had a rebuild caused by a gust of wind pushing her over while spooling up at zero pitch (Kontronik 100lv). Parts that have been replaced - complete tail mechanism with new thrust bearings, tail boom, tail drive belt, tail pushrod and pushrod boom support, mainframe and tailcase, main gearby Trewix - Logo 200/400/500/600 Questions