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Old Jan 09, 2013, 05:30 PM
Registered User
San Diego, CA
Joined Feb 2001
283 Posts
Discussion
What Airframe for 6S5000 Aerobatics?

Hi Gang-

I find myself resistant to fly my big Yak due to : 1) it's big, barely fits in the SUV; 2) it takes awhile to put together; 3) it takes awhile to cram (2) 6S 5000 packs into the nose, blah, blah. It hit me that if I could just fly my (4) 6S5000 batterypacks for practice/fun flying it might be more better.

So far, I've come up with a Sebart Wind S 50E/GP at 960 in^2 area, 3D Hobby Osiris 62" at 725 in^2 area, 3D Viper 65" at 960 in^2 area. Seems that there are a lot of choices in the 4S/5S, ~ 550 in^2 size but not so much in this larger size.

Any good/bad experience with the above models on 6S5000s or anything else I've missed?

Thanks Much,

Steve Manganelli aka Prof. Maneuver
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Old Jan 10, 2013, 09:46 AM
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stuntflyr's Avatar
Los Angeles
Joined Jun 2010
1,316 Posts
I fly my Osiris 62 on 6S 4000's with a Hacker A50-16S and an APC 16x12. It hauls, it has monster acceleration, flying Pattern it goes 5 1/2 to 6 minutes on 3000 mah. I just bought some 5000's to start flying Intermediate which is a much longer and more demanding sequence. With these batts I am sure i can do 8 minutes easy.

The model is easy to assemble, easy to fly, easy to fly well, lands great, looks good flying. There is a huge thread on it in this forum. Here, http://www.rcgroups.com/forums/showthread.php?t=1173419

Chris...
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Old Jan 10, 2013, 02:00 PM
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San Diego, CA
Joined Feb 2001
283 Posts
Quote:
Originally Posted by stuntflyr View Post
I fly my Osiris 62 on 6S 4000's with a Hacker A50-16S and an APC 16x12. It hauls, it has monster acceleration, flying Pattern it goes 5 1/2 to 6 minutes on 3000 mah. I just bought some 5000's to start flying Intermediate which is a much longer and more demanding sequence. With these batts I am sure i can do 8 minutes easy.

The model is easy to assemble, easy to fly, easy to fly well, lands great, looks good flying. There is a huge thread on it in this forum. Here, http://www.rcgroups.com/forums/showthread.php?t=1173419

Chris...
Thanks Chris! I studied some of that thread which includes an implication that it will be nose heavy on 6S5000s. By that I can only assume there is not room to shovel stuff aft to maintain proper CG. Do you see that issue? I'm a modeler from way back, I don't mind adding wood or fiberglass here or there to it right.

Thanks Again,

Steve
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Old Jan 10, 2013, 05:37 PM
Registered User
Oakland township, Michigan
Joined Jun 2005
725 Posts
Steve,

I think that any .60 to .90 sport/aerobatic planes that suits your taste could be a candidate. I currently fly a Fliton Extra 330 (59", 6.5 lbs) on 5S 4000-5000 mah packs and it does quite well. I can easily fly the IMAC sportman sequence with it or the AMA intermediate sequence. Having the extra cell you could probably go with something a little bigger.

I would take a look at the Sebart planes; they have quite a few offerings in what they call the .50 electrics. Most of these planes can be flown on 5 or 6S packs. I also have the Sebart Angel and that does quite well on 5S. The .50 sized Miss Wind would be a good choice. Extreme Flight RC or 3D hobby shop are also alternatives.

Good luck,

Teo
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Old Jan 11, 2013, 02:32 AM
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Jim Lee's Avatar
United States, WA, Port Orchard
Joined Apr 2007
1,001 Posts
Quote:
Originally Posted by Prof. Maneuver View Post
Thanks Chris! I studied some of that thread which includes an implication that it will be nose heavy on 6S5000s. By that I can only assume there is not room to shovel stuff aft to maintain proper CG. Do you see that issue? I'm a modeler from way back, I don't mind adding wood or fiberglass here or there to it right.

Thanks Again,

Steve
I'm flying my Osiris on 6s and I built a battery tray that just clears the carbon fibre wing tube, So I could get my heavy battery farther to the rear. It also helps to get the battery mass closer to the C/G of the plane. I've since removed the 5s Ni-MH 1300mAh Rx battery and removed a additional 4.5 ozs of weight. I now run the Rx and servo's off of the CC Ice 100's BEC.

Works Great.

J
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Old Jan 11, 2013, 10:59 AM
Registered User
San Diego, CA
Joined Feb 2001
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Originally Posted by Jim Lee View Post
I'm flying my Osiris on 6s and I built a battery tray that just clears the carbon fibre wing tube, So I could get my heavy battery farther to the rear. It also helps to get the battery mass closer to the C/G of the plane. I've since removed the 5s Ni-MH 1300mAh Rx battery and removed a additional 4.5 ozs of weight. I now run the Rx and servo's off of the CC Ice 100's BEC.

Works Great.

J
Thanks Jim!

I think you have the winning plan. I'm about to head off the the AMA show in Ontario with my shopping list in hand. Hope I can come away with one.

Steve M.
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Old Jan 11, 2013, 11:01 AM
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San Diego, CA
Joined Feb 2001
283 Posts
Quote:
Originally Posted by viva_peru View Post
Steve,

I think that any .60 to .90 sport/aerobatic planes that suits your taste could be a candidate. I currently fly a Fliton Extra 330 (59", 6.5 lbs) on 5S 4000-5000 mah packs and it does quite well. I can easily fly the IMAC sportman sequence with it or the AMA intermediate sequence. Having the extra cell you could probably go with something a little bigger.

I would take a look at the Sebart planes; they have quite a few offerings in what they call the .50 electrics. Most of these planes can be flown on 5 or 6S packs. I also have the Sebart Angel and that does quite well on 5S. The .50 sized Miss Wind would be a good choice. Extreme Flight RC or 3D hobby shop are also alternatives.

Good luck,

Teo
Teo-

I looked at Sebart and 3D, forgot about Fliton and Extreme Flight, but I'll look there, Thanks for the point!

Steve M.
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Old Jan 12, 2013, 01:14 AM
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Los Angeles
Joined Jun 2010
1,316 Posts
I'm going to change my battery box to something similar to what Jim has done when I use the 5000's. With my 4000's I have them all the way back to the wing tube. I have the rx powered with a 6V NiMh pack hanging off the back of the servo tray. It's probably heavy but it balances just a little bit nose heavy. I only notice the slightest bit of down inverted, but I'll need to have it in better trim for this year.
Chris...
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