HK250GT 6Ch from a DH9116 - Page 3 - RC Groups
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Dec 03, 2012, 09:43 PM
Registered User
No I wasn't 3D-ing, I was just sports flying, doing extended figure eights. The first crash was pretty hard, I extended the eight a bit too far and lost orientation (because the 250 is so small) and it all went down hill from there. The second crash; well I was having so much fun flying about 150 feet up then diving down to almost ground level and then turning up. Well I was on my last battery and I planned to do one more dive and turn and then take her up 200 feet and do a backwards roll (in normal mode), but when diving and turning, I dived a little too hard and could not pull her up in time before hitting the ground Anyway I almost had her pulled up, so the crash was light and I only stripped the main gear and bruised the canopy.
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Dec 04, 2012, 01:10 PM
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Steve_'s Avatar
That sounds like a blast. I'm getting decent at hovering, so I'm
not far away. I'm not really that big on 3D, it isn't very realistic.

An Apache can barely do a loop, let alone fly inverted and such.
Maybe when I get bored with dives and fast sweeping banked turns
I will want to try other stuff, but I doubt it.

For the HK250GT, skids were $5 shipped, and I found belts 2 for $4.

My 9116 needed $27 in parts to be functional again. Of course this
was after a full speed dead stick into blacktop from over 100 feet up,
so I'm lucky anything was left at all.

Both heli's should be up by Friday. Can't wait !!!
Dec 07, 2012, 06:56 PM
Registered User
I don't like 3D either, but I wouldn't mind doing tighter rolls and a little inverted flying. The only problem is idle-up, I crashed hard 3 times just switching in to idle-up while in flight. So for now I'm just going to do high altitude large rolls in normal mode. If possible I wouldn't buy HK skids or landing gear because they are way too fragile, I would buy the separate type(bottom base plate, the two landing arms and another brand of skid) they last way longer. Also I would replace all screws in the tail rotor housing with the next size longer, that's found in your extra screws bag.The screws in the upper main rotor head, like the ones that's on the blade gripes that holds the ball-ends for the linkage(if you can understand that.) need to be longer because they strip out too easily also.
Dec 07, 2012, 07:33 PM
Registered User
One more thing, I added weights to the flybar to take away some of the edgy-ness that 250s have. I use throttle linkage stops(I race R/C cars) the official name for them are wheel collars, 1/16" Great Planes makes them.
Dec 08, 2012, 10:08 AM
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Originally Posted by mugen 1
One more thing, I added weights to the flybar to take away some of the edgy-ness that 250s have. I use throttle linkage stops(I race R/C cars) the official name for them are wheel collars, 1/16" Great Planes makes them.
I have a bunch of those somewhere. I'm an old car guy as well...
1st was a Tamiya Lunchbox. Modded the crap out of that thing.
I had a Kyosho LeMans 360PT BB in it, I wish I could still find those.
Best brushed motor I ever owned out of many dozens.
Dec 08, 2012, 10:11 AM
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Still waiting on parts. This really sucks.
Dec 09, 2012, 02:52 AM
Registered User
I have been racing on and off-road R/C cars for many years, mainly nitro, but also electric. I've raced Losi, Associated, Kyosho, Thunder Tiger, Tamiya(mini cooper) and now a MBX-6 Mugen 1/8 scale nitro off-road buggy. Helicopters are my endeavor at R/C aviation, and what I'm painfully finding out is that there is very little room for mistakes in this hobby.
Dec 09, 2012, 03:07 AM
Registered User
Originally Posted by Steve_
Still waiting on parts. This really sucks.
When I need parts in a hurry, I order from instead of HK, they carry all the 250 parts under EXI. The prices are not as good as HK, but they are located here in the states and have fast shipping; if they're it stock.
Dec 10, 2012, 11:25 PM
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Belts came in. They were $3.99 for a pair, with free shipping.
Here is a link:

They seem to fit nice, everything feels clean and solid.
I can't get over how smooth the tail pitch adjusts, and there
is almost no slop. It doesn't get much better than this.
I would need a good dial indicator to measure end play.

I can't imagine the Align parts being that much better precision,
although I'm guessing the alloys and bearings are better quality
and will last longer and stand for more abuse.

The belt took a few minutes to put in, because I had to notch the
tail boom just a little more. But it was quick and painless otherwise.

After working on a 9116, this feels like a Ferrari...

Awaiting charge, it's almost done
Last edited by Steve_; Dec 11, 2012 at 06:40 AM.
Dec 11, 2012, 12:34 AM
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Had the belt flipped, tail going wrong way o.0

Facing blade side of tail, it's counter-clockwise, right?


Too windy out earlier, so I ran a pack through inside, to allow the
belt to stretch and settle. Then I re-tightened the tail belt.

So far so good, will try an outside flight later today.
Last edited by Steve_; Dec 11, 2012 at 06:41 AM.
Dec 14, 2012, 03:21 AM
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Here are some pics of my baby. I love this thing.

It still flies, I haven't destroyed it yet

Waited too long for skids, so pulled some from a Wasp V3.

I believe I have found the meaning of life...
Dec 14, 2012, 07:33 AM
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Here I am hovering my little dream machine. Sorry about
the quality, my Composite to USB video encoder is garbage.

Also, there was a breeze, making it tricky.

HK250GT First Hover (1 min 13 sec)

Thanks again Balr14 !!
Last edited by Steve_; Dec 15, 2012 at 11:25 AM.
Dec 16, 2012, 09:51 PM
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Here is another flight:

Another HK250GT Flight.wmv (1 min 22 sec)
Dec 16, 2012, 10:03 PM
Unregistered User
helipilot23's Avatar
Good job. Reminds me of my jump frm an s107 to a hbk 4. Wasnt easy but i did not crash the heli. (knock on wood). Now i can hover really well!
Dec 29, 2012, 12:11 PM
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Just got done rebuilding the boom and tail from a crash.

Ended up using a Wasp V3 boom that I had several of.
It is smaller diameter, but fits inside the old boom.
I had to make small spacer rings from the old boom for the
tail servo mounts, the frame mount, tail, and support bars.

Strangely, even though it's smaller, it is stronger.

Check out where the 250GT logo is now

It was extra work, but saved me some loot, and I have 2 more
of these Wasp booms.
Last edited by Steve_; Dec 29, 2012 at 12:36 PM.

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