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Old Sep 22, 2013, 04:37 PM
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Master c/p/ V400D02 servos WK 7-6-9's ?

OK these were made to replace Master c/p servos. I have not done this yet as both are flying ok but ready. My V400 has been down a long time. Months ago fixed broken parts and assembled but only ran it to see if it works.. Yesterday decided to see how good it was. Not good. All but one servo was buzzing and jumpping around. I replaced two bad servos with m/g WK 7-6-9's. Last stock WK 7-6-5 was fine.

Here is problem elevator is reversed and other two are messed up as control move fine but far from right. Are WK 7-6-9's no good for this. If so what is with out have reversed controls ?? Hi-tech HS 5055's ?? I have three Exi F213F's m/g servos. Kind of bumed bad on this one as servos are so easily striped. Minor bump took out all of them !! Blades did not meven get scratched.
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Old Sep 26, 2013, 12:08 AM
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Well WK 7-6-9's do not work. I have Exi d123f's and hope they will work. Brackets are ok but servos are very different mount tabs. I have concern elevator srvo is going to get real close to motor..please no !! I do have one good stock servo. Plus here cheapo hobbypartz has some that are no worse than stock.
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Old Oct 01, 2013, 11:07 AM
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Exi D213f's rotate fine but mounting in stock brackets will be a pain.

Solar m/g D454's take much less effort and work. I have a stash of m/g servos.
and found these. They have a tad more throw and seem a tad faster then Exi's. Anyway glad I had them. Now to tie down some loose wires and put heli back together.
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Old Oct 02, 2013, 11:40 AM
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Well I tried to fly this. Solar servos started to make noise and had no left alieron, so back to the box it goes. I don't know if its reciever with bad ch or what and time to move on. Come back to this later time and pretty low about this deal.
I sat back to rethink on this and lite came on. I had rear servos wrong on rx. My fault and now know rx is fine. This cost me two servos as whole system was binding against itself. One ball pulled out as arms has bigger holes and filled it in. It did not hold. So it cost me a couple servos but saved my heli from certain crash. Price you pay for not marking stuff when you take apart. Mad but now know problem.
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Last edited by dankar04; Oct 02, 2013 at 12:56 PM. Reason: updated.
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Old Oct 04, 2013, 10:42 AM
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I placed Exi back in mount and low and behold it also fits as I made holes bigger on servo bracket. I was going to order a couple Solar's but have three Exis.
I only had two solar m/g to start with. At l;east I don't have to buy any other servos. I just need to hookup ball on last servo arm. Canopy pin on front servo is very close and may need to do more work but think about right..... I hope .
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Old Jun 22, 2015, 01:01 PM
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Wow time goes by. I fixed this bird and been flying c/p's over two years now.
V400D02 still sits in the box. I will upgrade to bl and modify frame like i wanted to do. No rush as I now fly much better helis.
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Old Jun 24, 2015, 08:55 PM
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Time flys when you're having fun
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Old Yesterday, 12:44 AM
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I wonder what happened to many of guys from three years back ? I have found a few on other forums. All my Blade helis are disc. My Walkera fleet looks like WK turned its back on heli flyers. Not any problem and none show any signs of going south. Things changed big time. The good news I have very solid micro heli fleet/ and not bad Mini fleet of helis Plus one new Large heli.
Take a few months off and park the buss for a spell. Whata ride, but time to chill.
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