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Joined Sep 2012
319 Posts
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Hi
I ordered the rx at a local dealer here in Hannover: It fits nearly plug and play, just the tailservo has to be reversed. just mount it 180 degres switched (Hope you understand what i mean, my english is shurely not the best ;-)) http://www.trade4me.de/Walkera/AW-20...00_170640.html together with the Turnigy ESC it was the best upgrade for my 4f200. No tailwags no other trouble while flying :-) Smooth and stable :-) |
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![]() Just FYI, the V200D03 tail servo works too, and so does the 4f200LM servo. But you might have to flip the servo around again. |
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I did have an adrenaline moment with my Trex 450 which resulted in a crash the other day. I lifted off to about ten feet. Seems I always forget to push the timer button until after I lift off. I took my eyes off the heli for maybe 300 ms to push the button. There was a slight breeze. When I looked back at the heli, it was headed in my direction. Almost total panic! I managed to stay out of it's way as it whizzed by me. I had to turn 180 to keep it in view but by then I was totally disoriented and it was hopeless so best I could do was just to shut it down and try to minimize damage. Good thing the ground was wet and soggy. I should get my parts order today. Now I have a project - main gear, blades, port side servo gears. I plan on replacing the main shaft just in case and I've got two on the way so why not. I'll also be checking all the bearings and screws like you mention above. I'm going to take this opportunity to try to line the servo gears up so the servo arm is at mechanical 90. For some reason, the starboard side servo seems to line up okay but the port side always seems to be off a bit.
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I am completely DONE with my 4f200. I spend hours turning and rebuilding it only for it to go low volt on me again and spaz out in the wind and crash HARD! I probably should have waited till it wasn't so windy though. But if it can't handle this i can't own it for that reason. I'll probably post it up here with all whatever i have left and take some offers. The heli it's self will still fly with 2 new servos, 2 new Trex 250 blades and maybe a tweeking/replacement of the tail boom. I have not inspected it any farther but a blade grip linkage tore out. I have 3 extra spare grips that fit the Trex 250 blades, then i have a 2nd whole rotor head with the stock grips for the stock blades and a set of stock blades. A hand full of new spare parts too. I just can't be bothered with this anymore. I have a feeling my cheap $9 Hobbywing skywalker ESC might have gone bad because of the quick drops in the battery causing my battery alarm to sound. Who knows, maybe by now all of my batteries are just bad. I'll just stick with my 450s and X5 for now.
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Just so you won't loose all confidence in the 4f200, mine (4f200SD5) is flying great. I am not capable of 3D but what little flying I do, it is solid as a rock. The five blades are too cool. I think I finally have throttle and pitch curves tuned to my "skill" level. Many happy returns! Seriously, you want your heli to return!
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Joined Apr 2011
803 Posts
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[QUOTE=IntegrityHndywrk;23294524]I am completely DONE with my 4f200. I spend hours turning and rebuilding it only for it to go low volt on me again and spaz out in the wind and crash HARD! I probably should have waited till it wasn't so windy though. But if it can't handle this i can't own it for that reason. I'll probably post it up here with all whatever i have left and take some offers. The heli it's self will still fly with 2 new servos, 2 new Trex 250 blades and maybe a tweeking/replacement of the tail boom. I have not inspected it any farther but a blade grip linkage tore out. I have 3 extra spare grips that fit the Trex 250 blades, then i have a 2nd whole rotor head with the stock grips for the stock blades and a set of stock blades. A hand full of new spare parts too. I just can't be bothered with this anymore. I have a feeling my cheap $9 Hobbywing skywalker ESC might have gone bad because of the quick drops in the battery causing my battery alarm to sound. Who knows, maybe by now all of my batteries are just bad. I'll just stick with my 450s and X5 for now.
Sorry to see that crash. With the constant wind you have there you're probably better off flying the bigger birds. |
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Cold lipo, quick transition to hard pitch moves, with immediate low voltage alarm, and failure to keep motor head speed up -- I'm betting it was nothing more than just a plain old aged battery, that has developed high resistance and could not meet the load requirements.
Shame to see it go down. These are finicky little birds. Don't ask me how I know!
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Joined Sep 2012
319 Posts
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Hi IntegrityHndywrk,
if you like to fly a small heli even with heavy wind, try the master cp from Walkera. I fly the 4f and the master, the master accepts much more wind than the 4f and is nearly undestroyable after switching the stock servos to metal gear servos. |
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![]() What the 4f200 looked like before this incident: The reason i'm not worried about it:
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