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All Forums >> RC Helicopters >> Thunder Tiger - Raptor 30, 50, 60, 90 >> un-explained crash??? (Explained)
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un-explained crash??? (Explained) - 5/4/2012 8:18 AM   
highlander84


 

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From: Schweinfurt, GERMANY
Status: offline 		 So after upgrageing to an OS50 and all the necessary parts to take a 30 to a 50... i went to fly... The OS fired right off with no problems. I then took the rotor up to speed keeping it firmly on the ground. I tested the tail and it responded just as it should.  Then I went to make it light on the skids to test the other controls. As it became light it just started to go to the right and didnt respond to my input what so ever. The throttle was still responding normally, so as it went onto its side i was able to kill the engine to prevent even more destruction... So my question is what could have caused this? I checked my swash and its completly level the trims are centered (Futaba 9c). When I replaced all the parts I had the entire frams apart (to clean it good) and the head was also taken off. Is there something i forgot? Im about to order the parts I need and Want to know if there is a part I overlooked that needs replaceing or possible causes I can look into. Thanks  

< Message edited by BarracudaHockey -- 5/9/2012 1:54 PM >

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RE: un-explained crash??? (Explained) - 5/6/2012 7:27 PM   
Dick T.


 

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Status: offline 		Did the swashplate direction correctly respond to transmitter input? I know this is a basic question but we have all had a reverse control situation no matter how many times we look and check.

Obviously you have heli experience so something simple has occured here. Could be reverse control or a servo going bad due to vibration.

It is spooky when you cannot find an obvious problem.


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RE: un-explained crash??? (Explained) - 5/7/2012 12:04 PM   
highlander84


 

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Status: offline 		ill check it : never know. thnks for the tip im ordering parts and checking my radio when im off work

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RE: un-explained crash??? (Explained) - 5/7/2012 3:54 PM   
Rafael23cc



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Status: offline 		If you disassembled the frames when upgrading the engine, I would suspect that you forgot something when re-assembling the helicopter. I will concentrate my search on the aileron servo and related components as that is the one that showed signs of failure, but a good check of all the controls should be in order.

Rafael

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RE: un-explained crash??? (Explained) - 5/9/2012 9:22 AM   
highlander84


 

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Status: offline 		Ok,

someone can change the name of the thread to "explained crash"..... Im sooo pissed now to know it was completly my fault. the swashplate direction does not respond correctly...... In fact its backwards on both directions..... **** So thats a Nice pair of Carbon blades in the trash because I didnt make a basic check.... O well live and learn.... atleast I know what I wont do next time..... now time to go kick myself a few times  


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RE: un-explained crash??? (Explained) - 5/9/2012 1:55 PM   
BarracudaHockey



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Status: offline 		All fixed

Sorry to hear about it, the good news is, you probably won't make that mistake again.

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RE: un-explained crash??? (Explained) - 5/9/2012 6:22 PM   
Dick T.


 

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Status: offline 		And my rump still hurts from the self kicks!!


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