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HomeAircraftHelicopterAlignT-REX 600N › AR7100R and JR DS8717 combo for 600N
04-22-2009 06:46 PM  9 years agoPost 1
tbosco

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Signal Mt. TN USA

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Hi all. I'm fixing to build my first real heli, a 600N, and am really liking what I read about the new Spektrum AR7100R receiver, and would like to couple it with 3 JR DS8717's (cyclic), a DS8900G (rudder), and possibly a DS8317 (throttle).
Seems like much wiring would be reduced and would make for a really clean install since some components would no longer be required (like a voltage regulator and governor).
Have any of you tried this setup (or something similar with the 7100R), and what has your experience been with it?
Finless Bob has several videos on this receiver, and from what I gather, he gives it a thumbs-up.
I'm really new at this so bear with me if I say something out of whack.
Many thanks.
Cheers!

tbosco

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04-22-2009 06:51 PM  9 years agoPost 2
baddynergy

rrElite Veteran

sierra madre, ca- usa

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If your new to flying, that set up will be so overkill you may not enjoy flying it.

How long have you been flying and what are your abilities?

IMHO, I think a set of futaba 9452s with ar7100r with a123 cells at 6.6v would be more than enough for even the most experienced flyers. Even with that set up and you saying its your first real heli, I would tone it way down so its more stable as opposed to agile.

**Unattended children will be givin a shot of espresso and a puppy**

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04-22-2009 07:57 PM  9 years agoPost 3
Sean Williams

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Santa Clarita CA

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If you can afford that setup, you might as well do it, but don't think it will fly any better than a setup with mid range servos like 9452's. In reality, you will never out grow 9452's, no matter what the pros may make you think. I only know from experience. BUT, if you can afford that setup, then what the hell, go for it!

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04-22-2009 08:54 PM  9 years agoPost 4
cation3

rrApprentice

Smyrna, GA - USA

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Have any of you tried this setup
Yes. Change your throttle servo to a Futaba 9254, add a Spartan and you've got my 600. When I replaced my AR7000 with the AR7100R, I removed my governor and 2-in-1 reg/ignitor and a whole bunch of wiring. Both sides of my radio tray are now empty with the AR7100R on top and 2s 2500 lipo strapped to the bottom. I'm thinking of modifying the radio tray to stick the lipo on the side of the plastic tray to raise the CG a little.

Question about whether or not you should spend the money on the 8717s? That's a personal choice, but I like the performance and the fact that you can run 8v direct to them (yeah, I know: still crossing fingers).

-Drew

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04-22-2009 11:16 PM  9 years agoPost 5
tbosco

rrNovice

Signal Mt. TN USA

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Cation3- Have you had any problems with the 7100R sensor not working correctly? I do plan to run a Spartan gyro.

I am definitely not decided on any particular servos yet, and in fact, the budget situation looks like the Align 610s/620 combo may be the best of both worlds (price/performance) for me. My friends are pretty insistent on the 8900G in the tail though. (They are also persistent that I use 9351s for cyclic.)

I like the fact that the 7100R yields such a clean arrangement... I just need to know that it works as advertised. I have been strongly advised to go with separate components such as the Multigov w/LCD, the Align 2-in-1 regulator, and a separate step down regulator for the tail servo.

Badraptor- I will definitely be in the "toned down" mode for a while! LOL The idea is to build one really good heli I can grow my skills with.

Thus the research.

tbosco

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04-22-2009 11:45 PM  9 years agoPost 6
baddynergy

rrElite Veteran

sierra madre, ca- usa

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I like the fact that the 7100R yields such a clean arrangement... I just need to know that it works as advertised. I have been strongly advised to go with separate components such as the Multigov w/LCD, the Align 2-in-1 regulator, and a separate step down regulator for the tail servo.
Its all good advice. it comes down to your budget
Personally IMHO running unregulated 8717s on your first real bird is way overkill. I have been running mine with 9452 for 2 years and you really cant tell the difference on such a light bird, plus they are almost half the price of the 8717.

Yes the 7100r works as advertised.I have one in a Synergy. Rest of the equipment you have listed is all good. THe 9452 is a great servo, I run those also in my 600 with align 2n1, very nice smooth set up. You dont NEED 8717s, they are very power hungry, I know because I run them also.

8900 is a great tail servo, I personally like the bls251.

Align 610 servos, from what I hear are good. and I happen to have a set for sale that I didnt use.

**Unattended children will be givin a shot of espresso and a puppy**

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04-22-2009 11:45 PM  9 years agoPost 7
Anthony.L

rrElite Veteran

Seattle, WA

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If you can afford it the Spektrum 7100R w/ JR 8717 combo is certainly a great setup, proven time and time again by many pilots (pro and amateur).

In fact JR released a combo kit that includes all of that in one box.

http://www.readyheli.com/3_JR_DS871...p/jrpf8717p.htm

Save a few bucks and buy it all together at once.

Add the 8900G and a Spartan and you have a system that will long outlast you.

http://www.readyheli.com/JR_DS8900G...p/jrps8900g.htm

http://www.readyheli.com/Spartan_ds..._p/src03448.htm

And this is all coming from a die hard Futaba fan.

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04-23-2009 02:46 AM  9 years agoPost 8
tbosco

rrNovice

Signal Mt. TN USA

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Anthony L- I've got my eye on that package...

tbosco

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04-23-2009 02:21 PM  9 years agoPost 9
rupps5

rrApprentice

columbus ohio

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I have the setup in question and I would build it the same way again. Well except I would get a solid g or a spartan instead of my 770. Everything has worked fine but one of the 8717 started glitching, but I have not heard back from jr as to what caused the problem yet.

Jeff

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04-23-2009 07:32 PM  9 years agoPost 10
TT2

rrApprentice

Nakhonsawan Thailand

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tbosco, if you REALLY want 8717s on 8V, Spartan, 7100R, etc then you might as well build a 700N. No kidding. That's the gear mine has.

My 600Ns have 9252s on cyclic. The one that isn't for sale (yet) has Radix SBs and SuperStubz. It's extremely quick so I don't think it would benefit from having more powerful servos...and if it did it would be downright scary to fly.

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04-23-2009 09:30 PM  9 years agoPost 11
tbosco

rrNovice

Signal Mt. TN USA

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Sounds like I need to back off the 8717s. I really appreciate all of you guys' input. I'm leaning toward the Align 610s/620 combo, or possibly the 9452s depending on quotes. Still going to go with regulated 8900G on tail though... with a Spartan gyro.

Dang! I think my credit card just caught on fire!!....

Cheers!

tbosco

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04-25-2009 03:57 AM  9 years agoPost 12
TT2

rrApprentice

Nakhonsawan Thailand

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If by 'regulated' I hope you didn't mean 'Align regulated'. Too many horror stories about their regulators going wonky. Arizona Regulators and 2600mah Li-Ion seem perfect for the 600. Haven't tried A123 yet...kinda spooked since you can't load-test them and I don't trust my memory (let's see...was that 5 or 6 flights?).

Spartan? Good call...I couldn't believe the difference that the 'perfect' gyro makes. Get the USB interface cable and make your life easier.

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04-25-2009 03:56 PM  9 years agoPost 13
cation3

rrApprentice

Smyrna, GA - USA

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Have you had any problems with the 7100R sensor not working correctly?
No problems - it works as advertised. Simple setup, simple installation. The only suggestion I have is the metal sensor bracket, as the plastic one will wear out over time:

http://www.alumafx.com/webstore/

The throttle limiter technology is the same as the Rev Max, and the AR7100R manual lists the copyright. I use this governor (limiter) on both a 50 and 91 and it works fine on both. I will say that the stock plastic sensor mount fits fine on both, but the metal mount will not fit with my pumped OS91 HZ-PS.

-Drew

ps: the AR7100R has an internal stepdown (regulated) to 5.2V for your throttle and tail stuff.

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04-25-2009 06:28 PM  9 years agoPost 14
rupps5

rrApprentice

columbus ohio

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The plastic mount does break after a while. Mine took almost a year to fail, then I just made my own out of a peace of aluminum with a hack saw and a drill. It does not look to pretty because I did not spend much time on it but it did not cost me anything either.

Jeff

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04-26-2009 11:42 PM  9 years agoPost 15
tbosco

rrNovice

Signal Mt. TN USA

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Well... have made up my mind for final decision on 600N: Spartan gyro/USB, Align 610/620 servos, 8900G tail servo, Multigov w/LCD, Align 2 in 1, and AR 7000 Rx. Wish me luck!

Cheers!

tbosco

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04-27-2009 02:51 AM  9 years agoPost 16
cation3

rrApprentice

Smyrna, GA - USA

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Boooooooooooooooo....

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04-27-2009 04:12 AM  9 years agoPost 17
Duckster

rrApprentice

Brunei

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Plus a YS 50 St engine

Trex 600,700 AND 450, GY611, GY401, OS5H, OS91HZ, MGP, HS65HB, Scorpion 2221-8,

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04-29-2009 04:03 PM  9 years agoPost 18
Brandon3D

rrNovice

Canada

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set up
My set up is the 600nsp with stock engine and muffler no 2 in 1 no gov
AR7100R 8volts 2S 2100mAh prolite thunder power
8717 cyclic
9252 throttle
8900G tail servo spartan gyro

LOVE IT!

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04-29-2009 04:57 PM  9 years agoPost 19
GMPCOBRA

rrVeteran

oregon

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im using 8717 on one 600n and 610 in my 700 bolth work great and for the price of the 8717 i would have baught 610 for my 600 to and a couple spares to boot its always good to have a spare servo in your kit. as for the tail servo 8900g and a spartin gyro wil not let you down but you still need the step down regulator for the 8900g i think and make syre it is secured my buddy lost a heli this weekend die to the wire coming out of the voltage stepdown and loosing tail controol.

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04-29-2009 05:45 PM  9 years agoPost 20
fastlif

rrApprentice

PA USA

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I have this setup in my 600, 7100R/8717. simple. perfect. no issues.

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HomeAircraftHelicopterAlignT-REX 600N › AR7100R and JR DS8717 combo for 600N
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