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Old Feb 02, 2013, 10:20 PM
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United States, FL, Jacksonville
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Quote:
Originally Posted by Steve_ View Post
9104 is only 3 channel.

Banggood has the RX's as well as plenty of eBay sellers.

http://www.banggood.com/Wholesale-Do...0-p-40984.html

This ebay account has sold me two 9116 PCB's that worked great.

http://www.ebay.com/itm/USA-Stock-Do...item4608015111

But I couldn't find a cheap 9116 TX. Most listings were at least $25 shipped,
way too much for a TX that wears out after 300 flights.
Yeah, just not worth throwing that money into it when I could spend the same for a new one straight from amazon. The 9104 rx will work, but it still will be a fully functional 3ch heli for $20.

I'll have to spend the money on a 250 size kit that I can beat around. That would be worth it to me.
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Old Feb 02, 2013, 11:42 PM
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Old Feb 02, 2013, 11:47 PM
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9116 Direct Drive Conversion Installed Results

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Old Feb 03, 2013, 12:04 AM
Mr. Crash and Burn
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Quote:
Originally Posted by Steve_ View Post
Here it is, the video that really shows how the direct drive tail
mod performs. Messing around with rates will make it move at
anywhere from a smooth crawl, to a quick snap.

Keep in mind, the bird also has the weight and drag of the spindle
assembly slowing it down. In flight, it's even quicker.

I am very satisfied with what I got for $5

http://www.youtube.com/watch?v=ye9zxRgAjzo

It's not as snappy as my HK250GT, but close.

The spindle was made with an old ball bearing computer fan,
a couple of lids, an old junk laptop, some glue, and a few wire ties.
i was wandering what it was made of seems like i might have to make myself one cause i have a few 420mm steel pc fans lol and a acer lappy that the main board is fried
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Old Feb 03, 2013, 12:59 AM
Mr. Crash and Burn
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STEVE
would this help you out

http://www.rcgroups.com/forums/showthread.php?t=1823511
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Old Feb 03, 2013, 01:04 AM
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Old Feb 03, 2013, 01:13 AM
Mr. Crash and Burn
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Originally Posted by Steve_ View Post
Most all in one units have brushed motor outputs.

That won't work for my future plans
oh thats right you want to go brushless but it should work for anyone wanting to do away with stock rx and tx
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Old Feb 03, 2013, 02:12 AM
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Old Feb 03, 2013, 07:08 AM
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Absolutely!

Quote:
Originally Posted by Steve_ View Post

This is why I like my 9116 so much. The fact that I can fly it into a wall and
then set it upright and resume flying is worth all the time I put into it.

How right you are! My feelings exactly. There is no pucker factor involved in flying the 9116's and you can fly them wildly knowing that it's not going to cost a lot when you crash. I have two 6 ch's that I'll eventually get around to learning to fly again when the weather breaks but for now I'm having fun both modding and flying my 9116's.
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Old Feb 03, 2013, 07:21 AM
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hey guys.. can anyone tell me whether the servos from a dh 9100 will work for my 9116? they are almost half price i see..


and thanks for the dd tail video steve.. that was my next question.. how much extra control will it give? with the fat wiring i put on my main motor, i discovered tonight that when i really punch the throttle to maximum, i lose the tail.
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Old Feb 03, 2013, 07:23 AM
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Originally Posted by Steve_ View Post
To install a good radio, here is what we need for the tail motor.
http://www.ebay.com/itm/10A-Brushed-...item4167004b7d

This one is $10 and weighs 9 grams, but there are heavier ones
for under $7, and much lighter ones if you have the cash.
__________________________________________________
If I wanted to stick with the stock main motor and dd tail could I get two of those and a Skyartec rx that is compatible with my Skyartec tx so that I could use the better tx?

More questions. The rx on my Wasp is mounted vertically on the side of the frame. Can that type of rx with an internal gyro be mounted flat instead without affecting the gyro function? I was assuming that it had to be mounted vertically and that's why I couldn't see how the new components would fit on the 9116. Also, is there a difference in rx's used for brushed or brushless motors?
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Last edited by Pa flyer; Feb 03, 2013 at 07:40 AM. Reason: more info
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Old Feb 03, 2013, 08:43 AM
Build the Weapon....
Australia, VIC, Berwick
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Quote:
Originally Posted by sixx4 View Post
Hey Guys,

I'm a NEWBIE to RC Helis. I purchased a Double Horse 9116 for Christmas. Flown it a few times (lots of crashes but nothing major, except for a burned tail motor) . I replaced the motor with a new tail motor (upgraded). After a few more flights (minor crashes) I noticed that when I would move the rudder to the left I had no control and the tail motor would stop spinning ( It works fine when rudder is to the right and at all stages of the throttle). Any help in what could be the problem and how to fix it would be GREATLY appreciated. I've learned a lot in just the month of reading the threads. Thanks
What you describe is a normal operation if holding the heli in your hand. The tail motor is only used if the gyro senses the tail moving right (looking from behind). Otherwise it shuts down and lets the normal clockwise rotation of heli (from above) that is generated from the main blades. The important test is whether the heli is stable in hover in regard to tail position.

The std tail motor is suss, and some of the upgrades are not much better. I have a V912 tail motor on order that might be interesting to test along with the direct drive mod mentioned here.
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Old Feb 03, 2013, 09:17 AM
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Originally Posted by Gygax View Post
hey guys.. can anyone tell me whether the servos from a dh 9100 will work for my 9116? they are almost half price i see..
They will work but a better option is the Turnigy 1440A servos from HobbyKing at $3.39 each. Others on this forum said that they are much better than the stock ones. I have two on order myself.
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Old Feb 03, 2013, 10:57 AM
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Quote:
Originally Posted by Steve_ View Post
There is no "beating around" a CP 250. They tolerate absolutely zero
contact with anything. A tail strike usually means a new belt and blades.

A main blade strike usually means a link at the least, and feathering shafts
and blades are easily damaged.

Parts are expensive, and much more involved to replace.

This is why I like my 9116 so much. The fact that I can fly it into a wall and
then set it upright and resume flying is worth all the time I put into it.
I know that. It would be worth to me, easy to find parts when I did crash and as long as I don't crash, they should last a lot longer. Better made etc..


I think I got a dud with this one. What part numbers were on your motors? Mine is a 9097 b motor for the 9097 coaxial heli. The segments of the commutator have some nasty carbon burn marks in the trailing edges. No glue used to hold the magnets tight. They stripped a mounting screw which required me to remover the motor top that holds the brushes so that I could pull all that out to punch the stripped screw out from that side against a bench.
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Old Feb 03, 2013, 11:05 AM
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Originally Posted by Tom Peng View Post
Hi,

new to the forum. my first post.

I actually have a ZR Z101. Since it is supposedly a clone of the 9116, I thought I post here. I had a hard time trying to keep it airborne. I noticed that the servo movements do not affect the blades too much and this probably explains that I am not getting much cyclic movements.

Examining the swashplate, I noticed that the swashplate can move freely up and down the shaft - is this normal? If I try to fix the swashplate to the shaft (using my fingers) and then move the servos, I see a much improved blade response.

On a side note, I have the same problem with everyone else with the Z101, namely the transmitter is in mode 4. I have the 9116 PCB and 2.4GHz transmitter on order and will be replacing the PCB on the Z101.

Thanks,

Tom
Looks like I am not the only noticing that the swashplate is not moving enough to get any performance out of these 9116/Z101 units.

Here is a guy that did a mod to limit the movement of the swashplate up and down the shaft:

DOUBLE HORSE 9100 AMAZING MODIFICATION (2 min 53 sec)


Here is another:

Double Horse 9100 swashplate mod (0 min 34 sec)


Hope this benefits someone else.

Tom
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