Lumenier RB2205C-12 2400KV SKITZO Ceramic Bearing Motor
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Old Jul 07, 2010, 11:14 PM
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Hobby King Spektrum-like RX


Got my $15 inline Rx (RA61A) today and surprise, surprise, no covering, no pin ID or +/- markings.
Called a friend who has already flown with his and here is the layout.
With the PC board lying on it's flat side with the pins facing you,
the AUX channel is to the right. The ground lead is on the bottom and the signal lead is the top pin.

I put shrink wrap around it and taped on an ID label.
For those that would like the ID label, here it is.
Last edited by hoppy; Jul 08, 2010 at 02:01 PM.
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Old Jul 08, 2010, 01:19 PM
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A picture of the wrapped Rx with the label taped on.

Range test with the DX6i showed 85 paces before signal loss.

As mentioned in the other thread, fail safe on loss of signal only applies to the throttle. Other channels remained in the postion they were at on signal loss. Signal recapture seemed fast.
Last edited by hoppy; Jul 08, 2010 at 01:29 PM.
Old Jul 08, 2010, 09:26 PM
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Range test with the DX6i showed 85 paces before signal loss.
Is 85 paces comparable to a Spektrum receiver?
Old Jul 08, 2010, 11:23 PM
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Originally Posted by dhoyt7141 View Post
Is 85 paces comparable to a Spektrum receiver?
Depends what you mean by paces. Even Spektrum has stopped using this silly unit -- they now say 25 to 30 m. So even if you take very small paces, 85 of them are likely to be in excess of Spektrum range. Note however, that it makes a big difference whether you have the model on the ground (which is what Spektrum assumes) or raised 2-3 feet on a non-conductive surface (as many other manufacturers advise). Note also that various people have reported less range than Spektrum.

I now have one of the HK pseudo-AR6100s and will compare it with the real thing as soon as I can.
Old Jul 08, 2010, 11:32 PM
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I used my HK clone today(the one pictured on HK site with the black shrink tube)and it worked great, binded right away to my DX7,solid performance in the air on a 6 oz parkflyer. I did a short range check, maybe 10-15 yards.
I'm happy with it.

S
Old Jul 08, 2010, 11:36 PM
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Originally Posted by dhoyt7141 View Post
Is 85 paces comparable to a Spektrum receiver?
85 paces for me is about 250' .....
The Tx and Rx were at waist level.
I was very surprised and at the 200' mark shouted out to my wife to keep the trainer switch on thinking she had let it go off..... she hollered back that it was on the whole time.

As I recall, 100' min is recommended for the Spektrum RX.
Old Jul 09, 2010, 02:55 AM
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Chinese Spektrum clones are spreading like wildfire. The price barrier finally broke down as we all hoped for.

Spektrum is moving ahead with new system which will make old DSM2 obsolete and uncompatible.

JR is breaking away from Spektrum by introducing their own system which is not compatibile with Spektrum.

Old Spektrum users are left holding bag.
Old Jul 09, 2010, 06:46 AM
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Old Spektrum users are left holding bag.
No I am not holding a bag but I am holding my Spektrum unit and luving it.
Old Jul 09, 2010, 07:48 AM
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Quote:
Originally Posted by hoppy View Post
85 paces for me is about 250' .....

As I recall, 100' min is recommended for the Spektrum RX.
Spektrum used to say 30 paces but now say 25-30m (they vary a bit from one place to another). So 250 feet is more than twice this. Given that you had the RX and Tx off the ground, your observation probably represents roughly similar performance to a genuine Spektrum Rx.
Old Jul 09, 2010, 09:19 AM
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My DX6i manual says to have plane on ground and the TX in the position that is used for flying.
Range should be at least 30 paces (about 90').
I'll recheck it in that configuration.
Old Jul 09, 2010, 10:28 AM
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The manual also says if it fails the range check to call HH/Spektrum for help BUT do not follow this recommendation if it fails.
Old Jul 09, 2010, 01:06 PM
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RANGE TEST #2
RA61A

Airplane on ground - antenna about 5" above ground level in vertical position.
TX about 3' above ground
Range Check switch "On"
Both Rx and Tx antennas in a vertical orientation.

Test Result:
Control OK out to 105'.
Old Jul 11, 2010, 11:24 AM
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Flying Report on range.
On a 28" wing span foamy, I took it to the limits of my eyesight as far as recognizing the planes orientation and had no control problems. That's probably 3X farther away than I would normally fly the plane. Flew about 10 min.
Old Jul 11, 2010, 01:00 PM
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Old Spektrum users are left holding bag.
Then why is Spektrum coming out with the DX8? I think DMS2 will be around for a long time to come. Thousands of pilots are using DSM2 with no problems what-so-ever.

S
Old Sep 19, 2010, 08:29 AM
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