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Atom 7HV Compass Atom 7HV Model Helicopter Discussion


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Old 06-01-2011, 06:23 AM   #1
Rob43
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Default 7HV Setup

How 'bout it guys? A 7HV setup thread. I'll start. Please feel welcome to suggest alternatives:
  • 7HV FBL
  • Stock motor, main blades
  • Punch RC ESC (programming interface??)
  • Mikado V Bar Full Size 5.1 Pro
  • Hyperion Phase Sensor
  • WR Hercules Super BEC
  • JR DS8717's on Swash
  • JR DS8900 on tail
  • KBDD 104 t/r blades
  • Gens Ace 6S5300 30C x 2
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Old 06-01-2011, 06:40 AM   #2
crawl
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7HV FBL
Stock Motor
PunchRC 120HV Esc
Stock Blades / 693mm Edge FBL
Mikado Vbar Full Size 5.1 Pro
Hyperion Phase Sensor
Futaba BLS451 @ 8v on Cyclic
Outrage Torq BLS9188 @ 8v on Tail
Edge 105 Tail Blades
Voltz 2500mah RX Pack
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Old 06-01-2011, 08:46 AM   #3
skunkworx
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Here's what mine would be like:
  • 7HV FBL
  • Stock motor
  • Punch RC ESC w/programming interface
  • Mikado V Bar Full Size 5.1 Pro -or- BeastX
  • Hyperion Phase Sensor
  • WR Hercules Super BEC
  • JR DS8917's or Outrage Torq 9088's on Swash
  • Outrage Torq 9188 on tail
  • KBDD 104 t/r blades
  • Gens Ace 6S5300 30C x 8, Sky Lipo 6S 5100 40C X 8
- I really like my HobbyWing ESC's so the Punch one should be ok (if their record still stands)
- I still haven't tried a Vbar, but if it works as well as they say it does, I would love to try the governor function., otherwise it's BeastX all the way! I've tried a few different machines with the MBX on there and it's an extremely capable and consistant piece of equipment.
- Can't say I know anything about the phase sensor, but what the heck...why not?
-Super BEC is badass on my 6HV, so it's an obvious choice.
- I was torn on the Torq servos -VS- the JR 8917's. I took the Torqs and am not regretting it one bit. They're incredibly quiet and smooth and you definitely can't complain about the torque. The JR's definitely are faster, but paired up to to an FBL unit and they all feel the same (speed-wise anyways [8717's, 610's, Ino-lab 760's, Torq's]). Even if the Torq's aren't the "best" out there, they sure as heck look wickedly awesome!!! The ruby red cases set them well apart from the crowd.
- I don't think it gets any better than the 9188 on the tail. At 8V, it's got an incredible amount of torque and ridiculous speed. So far, it's the only tail servo I've found to be as good, if not, better than my 8900G's, plus you can run the 9188 on straight 2S, so no step-downs or other fandangled gear to worry about failing.
- KBDD's are kick-butt for sure and I'm digging the heck out of the new EE's.
- I got to rip on some Sky lipos this weekend on my 6HV (3300 40C's) and they are pretty incredible. They already had over 20-30 cycles on them and felt brand-new. Much better than any other battery I've tried so far in my bigger machine(s) so I definitely give them a high vote of confidence. Haven't had a chance to try the Gen Aces yet, so cannot comment.
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Old 06-01-2011, 09:46 AM   #4
Ah Clem
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Mine would be pretty much as Tim describes with minor changes:

* 7HV FBL
* Stock motor
* Punch RC ESC w/programming interface
* Mikado V Bar Full Size 5.1 Pro
* WR Hercules Super BEC
* JR DS8917'
* JR 8900G on tail
* KBDD 104 t/r blades
*JR921 Receiver w/two satellites

For batteries I will probably run the Punch R/C batteries.

The V-Bar and servos are here and standing by, waiting for the release of the 7HV.

In the meantime-practice, practice, practice!
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Old 06-01-2011, 10:22 AM   #5
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Mine will be as follows :

* 7HV FBL
* Stock motor
* Stock blades
* Hobbywing 120A HV ESC
* BeastX or CGY 750
* CC BEC Pro with extra reciever pack
* Savox 1257 on cyclic
* Savox 1290 MG on tail
* KBDD 104 t/r blades
* Futaba SBUS reciever R6203SB

For batteries I will use Turnigy's.

And just as Ah Clem eagerly awaiting the release of this beast

Grtz,
Dirk
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Old 06-15-2011, 01:57 AM   #6
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Quote:
Originally Posted by Dflyer View Post
Mine will be as follows :

* 7HV FBL
* Stock motor
* Stock blades
* Hobbywing 120A HV ESC
* BeastX or CGY 750
* CC BEC Pro with extra reciever pack
* Savox 1257 on cyclic
* Savox 1290 MG on tail
* KBDD 104 t/r blades
* Futaba SBUS reciever R6203SB

For batteries I will use Turnigy's.

And just as Ah Clem eagerly awaiting the release of this beast

Grtz,
Dirk
That is what I was planning on running except with a V-Bar. I recently changed my mind and hope that this works out for me.
  • 7HV FBL
  • Stock motor, main blades
  • CC Ice 160HV
  • Mikado V Bar Full Size 5.1
  • Savox SC-1267HV Cyclic
  • Torq 9188 Tail
  • 2s unregulated rx
  • DSMX sats
  • Turnigy Main packs
Can't wait for it to come already.
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Old 06-15-2011, 06:15 AM   #7
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What battery connections are people going with? Sorry I know I could search what people use in Trex 700's, but I have limited time on the net here and have to pay $1 for ten minutes
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Old 06-01-2011, 11:59 AM   #8
crawl
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Quote:
Originally Posted by Ah Clem View Post
Mikado V Bar Full Size 5.1 Pro
JR921 Receiver w/two satellites
Why the receiver? Just curious . I went none receiver (just 2 satellites) on both of my Compass ships and it works flawless.
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Old 06-01-2011, 01:05 PM   #9
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I definitely wouldn't trust satellites only on anything bigger than a 450 or 500. Sure it probably works, but for some it's not worth the risk. $1500+ and upwards of 10lbs-13lbs of angry helicopter flying around deserves much more respect IMHO. Not trying to knock your setup whatsoever Crawl, just saying what his reasonings will undoubtedly be (I know Richard pretty well).

I fly with an AR6200 on my 6HV when most people wouldn't touch that RX with a 10' pole (so I understand where you're coming from at least). I run it on 8.4V, so I'm pushing it that much more than "most" people would consider acceptable. However, the 700 would be a different monster all on its own and I have seen too many sats. fail to trust them 100%.
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Old 06-01-2011, 01:14 PM   #10
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Quote:
Originally Posted by skunkworx View Post
I definitely wouldn't trust satellites only on anything bigger than a 450 or 500. Sure it probably works, but for some it's not worth the risk. $1500+ and upwards of 10lbs-13lbs of angry helicopter flying around deserves much more respect IMHO. Not trying to knock your setup whatsoever Crawl, just saying what his reasonings will undoubtedly be (I know Richard pretty well).

I fly with an AR6200 on my 6HV when most people wouldn't touch that RX with a 10' pole (so I understand where you're coming from at least). I run it on 8.4V, so I'm pushing it that much more than "most" people would consider acceptable. However, the 700 would be a different monster all on its own and I have seen too many sats. fail to trust them 100%.
Yeah to each their own, I was just curious. I have had 0 sat issues since I started flying, 0 issues with just sats on the Vbar on my 6hv, and my buddy has just sat's on an Aurora E90. Along with the tons of other builds I have seen posted on 90E machines with no RX, so I feel pretty confident with it .
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Old 06-01-2011, 01:22 PM   #11
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Quote:
Originally Posted by skunkworx View Post
I definitely wouldn't trust satellites only on anything bigger than a 450 or 500. Sure it probably works, but for some it's not worth the risk. $1500+ and upwards of 10lbs-13lbs of angry helicopter flying around deserves much more respect IMHO. Not trying to knock your setup whatsoever Crawl, just saying what his reasonings will undoubtedly be (I know Richard pretty well).

I fly with an AR6200 on my 6HV when most people wouldn't touch that RX with a 10' pole (so I understand where you're coming from at least). I run it on 8.4V, so I'm pushing it that much more than "most" people would consider acceptable. However, the 700 would be a different monster all on its own and I have seen too many sats. fail to trust them 100%.
There is no difference between flying two satellites with a VBar and flying a standalone receiver with one satellite. You still have exactly the same number of receivers and instead of the AR6200 performing the channel demultiplexing, the VBar handles it. In fact, it's better in some regards because you have more options for getting both receivers away from interference and shadowing.

Richard is talking about using 3 receivers essentially, which I can sort of understand on an airframe the size of a 700. I'd probably still use two satellites, strategically placed.
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Old 06-02-2011, 03:15 AM   #12
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This is how mine looks like atm:
  • 7HV FBL
  • Stock motor
  • spinblades fb 710 and 690
  • HW 120A
  • Mikado V Bar Full Size 5.1 Pro
  • Hyperion Phase Sensor
  • WR Hercules Super BEC
  • Futaba BLS 255HV on Swash
  • Futaba BLS 251 on tail
  • KBDD 104 t/r blades
  • testing misc batteries amongst others VoltOn all are 5000-5050mah and 45C or better
  • 5.5mm bullets and 10awg cables round entire ship
  • double sat setup

I range test my setup every field day 30+ meters away and trust me it's good enough. Each sat got two receivers btw

My beef is more with dsm so just waiting for the new dmss from jr now and I'll be happy
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Old 06-02-2011, 06:01 AM   #13
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On the RX issue I'm running BeastX as well, what is the general recommendation for the Spectrum RX then?
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Old 06-02-2011, 06:17 AM   #14
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I would think for BX, you want a full range receiver with a satellite.
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Old 06-02-2011, 08:15 PM   #15
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I scored on a good deal last night on an AR7100R with two sats for $100. Figrued two sats are over $70 plus shipping alone, so the rx was a bonus. I will still run the Super BEC, so it should work swell, and gives me the option of running HV servos if I so choose down the road on the swash. I could run a separate batter such as LiFe without a BEC at all, since the AR7100 regulates the tail voltage for lower voltage rudder servos. Also takes a nice high power input as well.
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Old 06-02-2011, 08:23 PM   #16
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Quote:
Originally Posted by Rob43 View Post
I scored on a good deal last night on an AR7100R with two sats for $100. Figrued two sats are over $70 plus shipping alone, so the rx was a bonus. I will still run the Super BEC, so it should work swell, and gives me the option of running HV servos if I so choose down the road on the swash. I could run a separate batter such as LiFe without a BEC at all, since the AR7100 regulates the tail voltage for lower voltage rudder servos. Also takes a nice high power input as well.
That is what I was using in my 6HV with 8v/5.4v tail prior to FBL, works great! Sweet deal you got!
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Old 06-03-2011, 04:24 PM   #17
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Quote:
Originally Posted by Martin Larsen View Post
Hi Eric
We use 8,4V(HV) on the cyclic servos and a step down for tail servo. On the 6HV I use 2s lipo unregulated on the cyclic and a step down for the tail. I am very happy with the 7HV and the 6HV right now. Right before the Pitchbrother Smackdown 2011 we changed the cyclic servos to the new Futaba BLS HV servos.
Martin check my post to see the norwegian team setup
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Old 06-15-2011, 06:39 AM   #18
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I use 5,5mm bullets with thick housing and 10awg cabling, but 6mm thin housing should also work.
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Old 06-15-2011, 06:44 AM   #19
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I'd suggest using EC5s.
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Old 06-15-2011, 06:55 AM   #20
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You're running a risk with deans on this setup, you get very high amp draws on this heli, check deans rating and you'll see 140ish amps is around 3 times the dean spec, it's not parallel mounting but series so you double the voltage output not halving the amp pr battery
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