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By Nigel on Saturday, 30 May 2009 11:30 AM
I managed 2 flights with the mini titan today.  I changed the tail servo to a spare DS821 that I had to see if that would improve things at all.

Other than being able to increase the gyro gain to 50%, the tail is still mushy and yuck.  Its not holding very well and piro's have the tail "springing" like a car with stuffed shocks LOL

It was good to have the mini-titan in the air again and despite having to fight the tail, I still managed to attempt some small circuits and the usual hovering...
By Nigel on Saturday, 30 May 2009 11:30 AM
I finally managed to get some more flighs in down at SARCH.  It was very nice conditions, all be it a tad chilli.

I was a bit hessitant to fly the mini-titan, so took the Rex up first.

I did the usual left and right side in hovering, with transitions from each.  I am getting better at the left side in hovers which is good.  Im getting smoother with the transitions from left to right and vice-versa.

I also spent quite a bit of time praciticng nose in hovering, which is also getting...
By Nigel on Friday, 29 May 2009 6:39 PM
I had to get another flight in before tomorrow and the weather when i got home this afternoon wasn't too bad for a quick flight

I adjusted the gyro a bit more to stop the tail wag.  Im a bit lost as to what is going on.  The gain is now around 20% to get rid of the wag, whereas it used to be up around 70-80%

I spent the flight just taking it easy, checking blade tracking and trim settings.  I did some small circuits and a couple of messy piros due to the turbulence from the back yard.

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By Nigel on Tuesday, 26 May 2009 7:42 PM
Well, finally some short testing and trimming flights on the mini-titan after the crash nearly 2 months ago.

Replaced parts are as follows:

Tail boom, Main blades, Tail case, Tail supports and Tail boom brace, main shaft, skids, Short blade link, Main gear.

There was probably about 8 minutes worth of flying in several little flights, but im putting them all as one flight as I only used the one battery.

I adjusted the gyro gain which has helped reduce the tail wag to a slight "harmonic oscillation".  The blade tracking is spot on, which considering I had to replace one of the short blade links, is pretty good.  I had forgotten how noisy the wooden TT blades were compared to the carbon blades.

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By Nigel on Sunday, 10 May 2009 10:58 PM
Apart from the chill in the air, it was very good conditions for flying.

I was curious to see how the engine performed after reaming out the fuel tank "plug" that had the brass nipple (after the plastic one broke off).  I bought a "fuel tank parts kit" and compared the hole in the new plug with the one in the tank.  The new one was slightly smaller than 2mm, and the hole in the nipple was only just 1.5.

With the reamed out plug, the pump noise hardly changed when filling onece the header...
By Nigel on Saturday, 2 May 2009 4:49 PM
This was one of those "I have to have a fly flight" LOL

Because i had Connor with me, I didn't take my helis down to SARCH this morning, but instead just watched.  I was spewin' coz the conditions were almost perfect down there...  at times, hardly any wind, and lots of hot runner talent to watch when the local running club rocked up and used the track between the pits and the flight line as part of their course. yummy LOL

Any way... back to the finer art of Heli Flying... LOL

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