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Snakeman builds a new OMP 65" yak 55

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Old 12-26-2007, 11:44 PM
  #26  
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Default RE: Snakeman builds a new OMP 65" yak 55

The last 2 weeks ive been wanting to go flying bad. So i took off work today and headed for the field, the temps were near 50 and almost all the snow is gone, however there was a surprising big patch left at the field. Got er fueled and charged up, the ys i got from sloan ran great, but i did notice the built up fuse vibrated a bit more than the foam fuse with the YS but not enough to cause concern. The first flight was cut short by the tank falling off, the zip ties broke that held the tank on, l landed her safely and fixed that.

Then on to the second flight: About 8 minutes into the flight, I actually had the famous but elusive Jeff Pfiefer " i got no controll!" syndrome for real this time! the plane took off strait at me and near full throttle, i had no controll whatsoever, and it crashed accross the road in a field, the YS got thrown about 30 feet past the wreckage strait into a steaming pile of cow ****.

I came back and tested the battery, a BRAND new Tanic 1650 MAH NIMH 6 volt and it read 2.6 Volts, and alternatley .5 volts. So a faulty pack brought down my new plane. I know the other new pack i bought from the same company wont cycle more than 500 MAH so i wont be using it in another plane. I wont be buying any more batteries this brand.
Nothing worst than a crash on the first flight after spending so much time building. Id like to try another one............. Whats next?


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Old 12-27-2007, 05:20 PM
  #27  
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Default RE: Snakeman builds a new OMP 65" yak 55

Wow, that's really a drag. Sorry.
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Old 12-28-2007, 11:37 AM
  #28  
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Default RE: Snakeman builds a new OMP 65" yak 55

Finish the kit build Yak you started Steve! Heck, the time is now since the weather is so bad. "Just do it!" Like I said on the pro bro thread this really stinks but let me know what I can do to help you!
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Old 12-28-2007, 02:55 PM
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Default RE: Snakeman builds a new OMP 65" yak 55

How much for a new ARF?
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Old 12-29-2007, 09:30 AM
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Default RE: Snakeman builds a new OMP 65" yak 55

Steve, give me a call like we discussed previously. Santa might still be in the area...hoho.
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Old 01-06-2008, 02:33 PM
  #31  
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Default RE: Snakeman builds a new OMP 65" yak 55

Any of you have a good CG yet when using the OS 120 ax i just tried mine and it is really nose heave. i have it at like 8" from the LE. i took and used zip ties, to strap the motor down just for a test. im glad i did to.

So any ideas on the CG?

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Old 01-06-2008, 04:55 PM
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Default RE: Snakeman builds a new OMP 65" yak 55

I didnt get enough time on mine to get a feel for where i would like the cg, sorry dude.
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Old 01-07-2008, 08:22 AM
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Default RE: Snakeman builds a new OMP 65" yak 55

When I swapped my OS .91 to an OS 120 AX I never changed anything else. Just a bolt on replacement. Not sure exactly where my CG is but it balances same as with the .91. My battery is in the left wing in a pocket I built for it just in front of the wing tube and shear webbing. RX is in the rear fuse opening strapped to a small plywood plate I glued in there. No additional weight.
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Old 01-21-2008, 10:36 AM
  #34  
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Default RE: Snakeman builds a new OMP 65" yak 55

Any thoughts on using the newer Saito 1.25 for power. The AX 1.20 weight is 21oz the Saito 1.25 is 24oz. Will this extra nose weight make it difficult to CG. Thanks.
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Old 02-07-2008, 02:32 AM
  #35  
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Default RE: Snakeman builds a new OMP 65" yak 55

rpm, you dork! the cg will be fine li poly up front 5900 series servos in the tail. don't worry you can always add a 4 oz fishing weight to the tail wheal with a hook to fish with.
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Old 02-07-2008, 08:41 AM
  #36  
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Default RE: Snakeman builds a new OMP 65" yak 55

You going to run the 0S with no muffler? Got to recheck those
weights. The OS with muffler is around 30oz.

Larry
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