The new Double Horse 9116 Heli Thread - Page 71 - RC Groups
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Jan 24, 2013, 03:24 PM
Registered User
Originally Posted by Steve_
I got most of the dead stick area fixed on my 9116 TX.

It's just slop in the linkage, nothing more.

I glued the gimbal to the shaft, and the shaft to the pot.
Mine is working better now, but it is still sloppy compared to
a good TX like my Futaba.

But it is plenty good for flying a 9116, and I had a blast inside
bouncing and zipping around a small room.

The 9116 TX uses small surface mount pots, that are normally
used in situations where you set it and leave it.

Still, for what I paid, it has more than fulfilled it's obligations as
a cheap RTF computer radio with dual rates.

A replacement is under $15, and I could just swap out the gimbals
and pots (since my radio is modded, and electrically works perfect).

If you do decide to glue yours like I did, be aware that if anything goes
wrong, you will be buying a new TX. You cannot get glue out of a
surface mount potentiometer.

Next step is a Turnigy 9x.
Good job Steve! I'll be tearing into mine tonight. Great idea with the extra rechargeable battery too.
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Jan 25, 2013, 01:31 AM
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Yup, I defintely killed two of my Li-po packs and learned the hard way. A voltage alarm has been ordered and is on the way now.

Btw, love that tx battery mod, Steve. Very well executed!
Jan 25, 2013, 03:55 AM
An RC Yachtie.
Rajah235's Avatar
I was worried about the actual flight time, so I bought one of these...
Might come in handy if I can find somewhere to stick it on the Tx.
The high pitched alarm is hard to hear outside, (not like the low voltage unit), so it may just get used for timing my eggs.

None of my "very important" parts have arrived yet.


aphex4000, wrote...
[q]<snip>... the Xtreme 180 (A) motor....</snip>[/q]

I don't think that the twin motor pack that I ordered is the Extreme one.
These came from AFC Systems via Heliparts-AFC. (Please rectify/verify if you know.)

& the offer of a freebie to test, was just for the one pair.
I think Steve wants to try the "B" motor & I've had a request for the "A" one.

If the tests return good results & I can't see why they wouldn't, I might buy a few more sets.

I also bought a couple of heat sinks. The 28 mm ones fit nicely after a slight tweaking & snipping of their extremities.
HK do have a 24 mm version as well.
NB: The stated weight of 17 gm is wrong. The 28 mm one only come in at 3.4 gm.

Cheap as the proverbial...

Last edited by Rajah235; Jan 25, 2013 at 10:39 AM. Reason: Added images.
Jan 25, 2013, 10:18 AM
Destroyer of Threads
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Last edited by Steve_; Apr 21, 2013 at 08:53 AM.
Jan 25, 2013, 10:47 AM
An RC Yachtie.
Rajah235's Avatar
Another motor, Steve?
At least the fully functioning MOPS cct saved the PCB etc.

re; The tail wag.
I'm pretty sure mine was down to a failing....failed tail motor.
Tail assy has been replaced & am waiting for the weather to co-operate.
I did notice that the booms fit into the plastic moulding was a lot tighter than the original.

& I did the same check as Pa flyer in post #1008, with a new hollow pipe, bearing & housing assy & I found no play.
I re-did the check on 3 other new parts & they were the same. No play in any.

Last edited by Rajah235; Jan 25, 2013 at 10:54 AM.
Jan 25, 2013, 10:49 AM
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Jan 25, 2013, 11:08 AM
An RC Yachtie.
Rajah235's Avatar
I doubt that the "Very Holey Heatsink" would inhibit the air flow too much Steve.
The pic doesn't show them well.

Address so noted.

& I think that you'll find that with the smaller, 24 mm one, the un-vented section will block more of the motor slots
than the 28 mm one.
It won't "go far enough around the motor" to clear them.

Last edited by Rajah235; Jan 25, 2013 at 11:17 AM.
Jan 25, 2013, 12:03 PM
San Mateo, CA
HPCR's Avatar
Steve, ever thought about making a Nascar vent instead of the heatsink?? That would save weight . Have a look at the link. Note: the round funnel end is the INSIDE , the vent guides air from a flush opening on the outside where the airflow is.
Jan 25, 2013, 01:33 PM
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Jan 25, 2013, 03:00 PM
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Jan 25, 2013, 06:03 PM
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Jan 25, 2013, 08:46 PM
Registered User
we also have some good flying weather coming up in the next few days here in western washington and 3 of my 4 birds are ready to go so i am ready. i finally received my batt charger for my v 911 after 38 days, so thats ready to go, one of my two 9116's is in perfect rebuilt condition ( thanks to help from people on this site ) and the parts for the other are on the way, and my brand new v 949 has the water bottle canopy and a camera mounted on it ( ive only flown it once and cant wait for some more airtime ) i am going to work this weekend so i can get tues off wich is supposed to be the best day and im gonna do a bunch of heli flying !!!!
Last edited by hawkfiend37; Jan 25, 2013 at 09:15 PM.
Jan 26, 2013, 08:13 AM
Build the Weapon....
The move from fp to cp is an interesting area. I am in the transition and noticing there are two camps with regard to pitch and throttle curves, which seems to be the major area of contention.

Moving from a 9116 to a cp heli can be a big step, but it can also be easy perhaps?

If there is anyone in this process, if so what throttle & pitch curves are you adopting?
Jan 26, 2013, 12:01 PM
Registered User

Turnigy 1440A servos

Those of you that are using the Turnigy servos: what do you think of them? Are they a worthwhile upgrade over the stock servos? Do they have less slop in the geartrain?

Any body using something else that you think is better and is the same size? I don't want to have to modify the sideplates to accept them.
Jan 26, 2013, 12:27 PM
Cranky old fart
Balr14's Avatar
Last edited by Balr14; May 08, 2013 at 12:41 AM.

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