Apr 27, 2012, 10:15 AM
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United States, MN, Minneapolis
Joined Nov 2011
5,730 Posts
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Quote:
Originally Posted by efether
So...now you're asking yourself why did it crash? Here's my answer -- The HiTech HS-5065 Servo I had on the rudder fried while I was doing knife-edge maneuvers, and locked the rudder at full right deflection. Further, when it fried....it rebooted the receiver. I spoke with some guys at the hobby shop today, and apparently there were some early issues with that servo, but HiTech says it's been fixed. I disagree...as does the two planes that died because of it. Even though I was using a separate BEC (Dimension Engineering), the receiver shut down for about 3-4 seconds...and in that time...the plane headed earthward. I did get control (minus rudder that was jammed at 45 degree) about 10 feet off the ground and managed to flatten the plane's trajectory to hit nearly flat. The wings, cowl and canopy survived (cowl got chipped, but canopy and wings are flawless) and are available to anyone who wants them (they're Red, with CF SFG's installed. I can also sell them with the HS-65MG servos if desired). So, to any and all considering using HS-5065 Digital Servos -- DO NOT BUY/USE HiTech HS-5065 Digital Servos unless you want to lose the plane!! This is the second plane I've lost due to that servo...and both planes suffered the EXACT same death symptoms.
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Just a couple of friendly questions:
1. Was your ESC an opto, and if not, did you disconnect its red wire or otherwise prevent the external BEC and the ESC's internal BEC from being electrically placed in parallel?
2. Did you program a fail safe on your 5065?
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