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Post by moleculo on May 23, 2012 0:35:23 GMT -4
Hey, Just bought a Chaos 500 Pro kit and I am going with the provided DS601m tail servo but I'm a little fuzzy on what setting I should use on the Spartan gyro.
The three choices I have on the DS760 menu are:
1. 1520uSec, 333Hz 2. 760uSec, 333Hz 3. 1520uSec, 250Hz
I think I'm going to love the 500 more than my Chaos 450.
BTW, new here, so hello to everyone.
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Post by mattox on May 23, 2012 0:44:20 GMT -4
1520/333 and hello
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Post by moleculo on May 23, 2012 0:58:37 GMT -4
Much appreciated. Now if I can just download the veteran heli pilot program from the matrix into my brain I'll be all set.
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Post by mattox on May 23, 2012 2:39:24 GMT -4
lol. good luck!
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Post by Valkman on May 23, 2012 4:59:24 GMT -4
Much appreciated. Now if I can just download the veteran heli pilot program from the matrix into my brain I'll be all set. Hahaha that would be great! Welcome to the lounge. You will love the 500. If your about to built it have a look at my build videos for the Chaos 500 on YT.
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Post by Chris Reibert on May 23, 2012 6:26:51 GMT -4
Welcome! You are going to love your new 500. I fly mine a couple times a week More stable than a 450 and has the feel of a 600. [youtube]watch?v=Qw3q4cQqeQA&feature=youtube_gdata_player [/youtube]
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Post by Dr. Evil on May 23, 2012 7:06:50 GMT -4
Welcome moleculo!
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Post by moleculo on May 26, 2012 2:14:46 GMT -4
Well I tried to hover the 500 but there's a wicked tail vibration that starts the tail wagging all over the place at half stick. I'm going to take the tail assembly apart and check everything from the tail drive gear on out. Does anyone have a suggestion for a small, accurate scale for weighing parts out on?
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Post by moleculo on May 30, 2012 1:02:58 GMT -4
Update: got a pocket scale at the local 'smoke shop' that is accurate to 1/100 of a gram and weighed the parts. There was some difference in weight so I mix-n-matched the various screws, bearings, blades and grips till it was within 2/100gm between the opposing sides and spooled it up. There was still an odd vibration at a little over 1/2 stick but it didn't seem too bad which seemed weird because I did not notice the tailshaft having any noticable wonky wobble when rotating with the rotor housing off . I still was having trouble with tail wag even at a very low setting on the ds760 so I swapped out the gyro to the stock Phoenixtech GT-9 and the wag was much more manageable. I thought that finally I would get it up for a test flight so I took it out of the garage and spooled it up, but upon hitting idle up, the tail driveshaft suddenly bent over at a 45 degree angle, effectively seizing the tail assembly.
I guess the lesson here is, don't rely on eyes to gauge driveshafts. take the part off and roll it on a flat surface to check for straightness or use a dial indicator like in this video: Or, 'When in doubt, swap it out'.
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