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Old Dec 06, 2012, 09:42 PM
VOLTS > AMPS
stgdz's Avatar
United States, MN, Buffalo
Joined Jul 2011
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Chris that underside of the rwb yak is just sick!!!!
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Old Dec 06, 2012, 09:52 PM
bryansifsof44's Avatar
United States, AK, Anchorage
Joined Oct 2011
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Quote:
Originally Posted by Aeroplayin View Post
I still have to include the 78 in there too with the right setup because it presents so well in the air. It's an electric gem! Sure, it's 2 batteries, but with the Hacker A60-16M and a 22 inch prop, the power-to-weight is comparable to the 60 EXP's on 480-500Kv on 6S with a 16x8. This is also doable on the 70 with 8S and a 20 inch prop, but it would mean a motor that can handle the precession and 90A at the same time. I still don't know the perfect way to get 2650W with a 20 inch prop on 8S. The new DM4330-282 with a 20x10 may be the one.
The 4330 is a good motor for the 70"... I am getting 2700 watts with my 12s and a 19x8 prop. Ken said I was good to 3000 watts in my climate so I have a 20x8 on the way. Will be testing soon. I did have ken wind my motor to 216kv. There is a 298 wind that should spin a 20x8 to around 2700 watts on 8s. One downside to a 8s setup is your buying 4s batteries in the 4000mAh range strictly for this plane... That is unless your running a 4s 60" exp or something else that uses the packs. I'm a fan of sharing packs and 12s worked well for me since I am running 6s 2500-3300 mAh in helis and the 60exp which all work well in my 70"er.
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Old Dec 06, 2012, 09:55 PM
bryansifsof44's Avatar
United States, AK, Anchorage
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Wish I could afford a 91... Maybe next summer. Is there any plans for the yak in the 60 size?
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Old Dec 06, 2012, 10:04 PM
Team 3DHS
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USA, OH, Macedonia
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Is the 91 Yak an EXP as well?
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Old Dec 06, 2012, 10:05 PM
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Quote:
Originally Posted by EXTREME FLIGHT View Post
This one:
Chris are you not doing the red, white, and blue design from Roberto Padilla?
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Old Dec 06, 2012, 10:07 PM
Sippin the Koolaid!
losifanatic's Avatar
United States, NC, Hertford
Joined Oct 2007
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Quote:
Originally Posted by Dead View Post
Will it take lipos? And if so how far out of balance will it be?
I have a 2s 2500mah in mine from value hobbies. Works great. The radio even has a voltage alarm for lipos. It still balances pretty darn neutral. It has an ever so slight top down angle to it. Im getting 12 hours of on time with the lipo.
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Old Dec 06, 2012, 10:29 PM
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I was referring to the 91 extra... Didn't know there was plans for 91 yak.
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Old Dec 06, 2012, 10:46 PM
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United States, GA, Atlanta
Joined Mar 2008
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Speaking of MLT check this out. ill get some better pics up later this was just in my living room while setting up my radio...

it is a light setup. Turnigy 3542-1250 on 4-5s starting on 4s. Gotek 9257 servos, Castle Ice 75. 9x9 prop. Right now it is mild so I can do a little bit of high energy stuff. May go bigger later. Im not a speed freak but it should go 120+ pretty easily.

Watted at 1000 watts and 70 amps

Also Livinmaa let me know if you need help transporting a plane. Ill help you out!
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Old Dec 06, 2012, 11:07 PM
DFC~ We Do Flyin' Right
bsbauman's Avatar
USA, GA, Atlanta
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Thats one bad Motha!
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Old Dec 06, 2012, 11:15 PM
EXTREME FLIGHT's Avatar
United States, GA, Cumming
Joined Feb 2004
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Quote:
Originally Posted by vanhey1 View Post
Chris are you not doing the red, white, and blue design from Roberto Padilla?
That scheme will be on the 91" Yak.
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Old Dec 07, 2012, 12:13 AM
They Call him Dead!
YellowJacketsRC's Avatar
United States, SC, Pawleys Island
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Yeah, I just went and looked at that scheme again. You gotta put that on the 60" Yak too!!!!!!
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Old Dec 07, 2012, 05:43 AM
Some.. call him Tim...
Ducati Mechanic's Avatar
United States, TX, Austin
Joined Oct 2008
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Quote:
Originally Posted by Dead View Post
Will it take lipos? And if so how far out of balance will it be?
Yes no problem... Two dog Rc has a very nice Dulsky pack that's made for the FG series radio, it costs around $25..

http://www.2dogrc.com/dualsky-2500-m...ancer-785.html

You can't use the wall charger once you switch to a lipo, you have to take it out, and charge it on a standard balance charger..
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Old Dec 07, 2012, 07:01 AM
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On the newer 8fg I thought the wall charger and lipos were ok.
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Old Dec 07, 2012, 07:21 AM
Some.. call him Tim...
Ducati Mechanic's Avatar
United States, TX, Austin
Joined Oct 2008
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I read somewhere that the European version of the eight FG comes with a lipo now, so that might make sense. But if you install a lipo, that doesn't have a Internal balancing board you need to remove it, and charge it on a balance charger, To keep up with the cell Maintenance.

If you purchase a TX pack, and it doesn't have a balance plug, it most likely has an internal balancing board. I know Dulsky does that with there lipo TX packs.
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Old Dec 07, 2012, 09:48 AM
They Call him Dead!
YellowJacketsRC's Avatar
United States, SC, Pawleys Island
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Quote:
Originally Posted by Ducati Mechanic View Post
Yes no problem... Two dog Rc has a very nice Dulsky pack that's made for the FG series radio, it costs around $25..

http://www.2dogrc.com/dualsky-2500-m...ancer-785.html

You can't use the wall charger once you switch to a lipo, you have to take it out, and charge it on a standard balance charger..
Yes, I saw Jewett learn that the hard way at the electric Nall several weeks back

I use a strap. What do you reckon will happen to the balance? Is the battery in the bottom of the TX so as to cause the TX to tilt with the bottom toward the ground?
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