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HomeRC & Power✈️Aircraft🚁HelicopterFlybarless Rotor Head SystemsOther › Futaba FBL unit due early 2011
12-21-2010 08:37 PM  10 years ago
TMoore

rrMaster

Cookeville, TN

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They're talking smack.
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12-22-2010 12:41 AM  10 years ago
knightofcarnage

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chicago

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12-22-2010 10:46 PM  10 years ago
panzlflyer

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Goldsboro,NC,USA

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Sensors, Sbus and all that are fine but there seems to be no way to plug enough power into either the reciever or fbl controller for huge high amp servos, and Im reading in the Ama blurb Futaba still wont okay LiFe because its 6v.......great gyros, shame about the attitude.
Adding regulators is going backwards imo
T700,450Pro,Spirit Pro,Beast+, Qav 500,Futaba18SZ
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12-22-2010 10:54 PM  10 years ago
knightofcarnage

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chicago

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It not a good idea to draw huge current thru your gyro and receiver. I think futaba is working a HV sbus receiver, but i still would not install a HV servos directly to a FBL system. I rater have a VR get burned out then my reciver and/or gyro anytime. I smoked a 8919 this year, i could only image the damage to my other electrons if i did not use Scotts VR. A separate powerbus is the best solution in my opinion.
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12-22-2010 11:02 PM  10 years ago
Mike Fortin

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USA

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Actually Futaba has done a video featuring the LiFe packs and recommended using them with their equipment. The video can be seen HERE.

I as I mentioned earlier have been running a true "HV" 8.4V setup on my 700's using Futaba equipment and 701 gyros.

There has been no adverse effects on any of the equipment unless you count being very fast as a bad thing.

I have been doing this since August and thus far have not had any issues.
Have Rotors, Will Fly!
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12-22-2010 11:20 PM  10 years ago
DougV

rrVeteran

Miramar, Florida - USA (Ft. Lauderdale)

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Sensors, Sbus and all that are fine but there seems to be no way to plug enough power into either the reciever or fbl controller for huge high amp servos, and Im reading in the Ama blurb Futaba still wont okay LiFe because its 6v.......great gyros, shame about the attitude.
Adding regulators is going backwards imo
Here you go, from Futaba:

"Receivers have no problems with 8 Volts. The servos are what have limits.

Bill Baxter, Manager
Futaba Service Center North America
3002 N. Apollo Dr. Suite 1
Champaign IL 61822
USA

Phone: (217) 398-0007
Fax: (217) 398-7721
Email: service@futaba-rc.com
Web: http://www.futaba-rc.com/index.html;"

Doug.
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12-22-2010 11:23 PM  10 years ago
cbaquol

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Phoenix, MD

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That video is awesome, I love the title "....FATABA 3G"

NICE!
Baltimore Boyz
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12-23-2010 12:20 AM  10 years ago
panzlflyer

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Goldsboro,NC,USA

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Jan 2011 Model Aviation page87 Red says he posed the question to Futaba and they remain adamant that LiFe should not be used with their system.
In fact the page is titled "Manufacturer recommends against using LiFe packs"
Maybe they think they are lipo.
Wish they would come out with a Buss/type system, I would switch back from the 7100r
Looks like it does the trick on the 700n, maybe my Kiwi setup would work!
T700,450Pro,Spirit Pro,Beast+, Qav 500,Futaba18SZ
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12-23-2010 12:33 AM  10 years ago
Kevin Dalrymple

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Indianapolis

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I have been running LiFe packs all year with 6008 receiver and bls451 servos on a trex 700N all year. 20 gallons and still going strong.

Steve from Futaba told me that he uses them, so that was good enough for me. They work great and no regulator. I am running the ones from tower.
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12-23-2010 05:03 AM  10 years ago
Anthony.L

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Seattle, WA

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LiFe is basically the newer generation of NiMH packets of yesteryears. LiFE and NiMH both peak around 6.6v which is perfect for radio systems without any regulator. You can plug them directly into the RX.

I'm betting the reason why some people may not recommend them is LiFe has a specific break-in process some people ignore and it can be catastrophic.
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12-23-2010 05:58 AM  10 years ago
knightofcarnage

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chicago

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actual is Life is a "Lithium-iron" and mostly under load they read 6V . I would not consider it HV at least not what most ppl consider HV (7.4). However still i would always try to run separate power bus just to protect gyro, receiver and tail servo. In a crash you risk of having a huge amp draw for split second. If you use a VR you just risk of buring out VR and servo/servos instead of the whole system. Everyone asumes you break less stuff in a FBL system. Its not true, less mechanical parts break but you have a higher chance more electronics breaking. There servos draw more current in FBL's system also they the take a biger beating in a crash.
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12-23-2010 06:09 AM  10 years ago
Mike Fortin

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USA

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Futaba says that their new rx's can handle 8.4v setups without issue.Have Rotors, Will Fly!
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12-23-2010 06:17 AM  10 years ago
knightofcarnage

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chicago

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I heard that, but what current rating?
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12-23-2010 07:10 AM  10 years ago
OICU812

rrMaster

Grande Prairie, Alberta, Canada

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What new rxs, which ones, any spec sheets and model numbers???...Once upon a time there were Nitros, flybars and frequency pins...
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12-23-2010 07:25 AM  10 years ago
Paul Woodcock

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Dubai - United Arab Emirates

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Hi guys

Have a look here for Futaba HV stuff......

http://www.rc.futaba.co.jp/sbus/index.html

Regards
Paul
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12-23-2010 07:38 AM  10 years ago
Anthony.L

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Seattle, WA

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Best I can tell the official word is the current R6108SB S.Bus RX is 6.0v only. The new R6208SB S.Bus HV RX is rated for 2S lipo (7.4v).
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12-23-2010 07:44 AM  10 years ago
Mike Fortin

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USA

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The R6108SB and the R6008HS will both take up to 10V, NOW.

Not sure why the back and forth here, the Futaba Service Center Manager has already stated that it's SAFE to run these RX's on a straight 2s LiPo.

The answer is not suddenly going to change, you CAN run them at 8V.

The new series of "HV" RX's will do the same thing.
Have Rotors, Will Fly!
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12-23-2010 07:46 AM  10 years ago
Anthony.L

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Seattle, WA

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They why would Futaba bother to release the exact same RX again except this time call it the "HV" model and rated for 7.4v?

I'm talking about the R6108SB and the upcoming R6208SB. Identical except one is labeled with a "HV" sticker, and 7.4v rated according to the Futaba Japan site.
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12-23-2010 07:52 AM  10 years ago
Anthony.L

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Seattle, WA

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Notice the subtle but key difference between these two RX...

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12-23-2010 07:55 AM  10 years ago
Mike Fortin

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USA

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We can continue to debate this but I can tell you as a member of Team Futaba and by taking the word of the Futaba Service Center in North America that it's more than safe to run the RX's at 8V.Have Rotors, Will Fly!
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HomeRC & Power✈️Aircraft🚁HelicopterFlybarless Rotor Head SystemsOther › Futaba FBL unit due early 2011
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