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Old Oct 08, 2012, 12:00 PM
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RC Erik's Avatar
United States, FL, Naples
Joined Oct 2011
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Pictures of D.I.Y battery trays.......

Hey Everyone, I am almost finished with my 1/4 scale Cub. Powered by a E-flite 160 motor with 2x 5000mah 5S lipo packs.

I am at a stand still right now trying to make a battery tray that will allow ease of removal/install and will keep the batteries still.

Anyone have some photo's I could use for reference?

Thanks, Erik
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Old Oct 08, 2012, 07:07 PM
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Zagabond's Avatar
United States, PA, Shamokin
Joined Mar 2004
497 Posts
big tray for my 10s1p A123 packs

Eric,

Here is the setup I am using on my 10s pack for my Tiger Moth. I make a tray from luan plywood, and it slides into place in the forward part of the battery compartment. Then I mounted tee nuts to use allen head screws to secure it in place.

Jess
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Old Oct 09, 2012, 07:22 AM
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Thanks Zagabond!
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Old Oct 09, 2012, 08:45 AM
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United States, SD, Sioux Falls
Joined Aug 2012
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oooh....this thread is brilliant. I need to build two battery trays and I have severe builders block...LOL. More pictures please!!
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Old Oct 10, 2012, 08:09 AM
D.G.B.
KOMET 44's Avatar
Southington, Connecticut, United States
Joined Jun 2000
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Here are my pictures of the tray(or as I call it "surf board") for my 80" adrian page cub.Has a tag in front that the board goes into and a wing nut in the rear.Battery held in place with velcro pads and a trap.Also use one #64 elastic on the back just in case.
stefanP
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Old Oct 10, 2012, 12:46 PM
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United States, SD, Sioux Falls
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Anyone have pictures of battery hatches they have built on the top of the fuse?
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Old Oct 10, 2012, 10:37 PM
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Cabledawg1's Avatar
USA, VA, Newport News
Joined Jan 2010
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I just got mine together... Heres a link to that post with pics.
http://www.rcgroups.com/forums/showp...&postcount=861
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Old Oct 14, 2012, 07:28 PM
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SunDevilPilot's Avatar
United States, AZ, Gilbert
Joined Jun 2008
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First tray is in my Sig 1/4 Cub. Plane gets 2 5000 5S packs, stacked back to back on the tray. The tray slides into slots at the front of the fuselage and gets a single wingbolt at the rear to lock it in place.

The second model is my Aero-Works S2 Cub. This also gets 2 5000 5S packs but these are side by side. Again, a slot at the front and a single wingbolt at the rear.

Much easier to get batteries in and out with a tray.

SunDevilPilot
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Old Nov 09, 2012, 12:40 PM
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RC Erik's Avatar
United States, FL, Naples
Joined Oct 2011
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Thanks guys for the pics. I built a tray but would not fit due to the voltage regulator, RX battery, and low height towards the cowl area. I just slide them over the velcro'd bottom and strap them in.

28 flights so far and they havent moved!!!!
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Old Nov 13, 2012, 08:25 PM
customstandoffs
cmala's Avatar
USA, AL, Madison
Joined Dec 2007
8,547 Posts
I built a tray in my hempel cub for the same power system. I'll see if I can find my pictures tomorrow.

It slides perfectly in the front. I put two carbon rods on the tray and they lock into a block I installed just behind the firewall. Then there is a carbon rod that I install in the back to keep it from sliding backwards.

Craig
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Old Nov 13, 2012, 08:40 PM
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RC Erik's Avatar
United States, FL, Naples
Joined Oct 2011
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cmala, what prop size are you using?

I used an 18x8 and was getting 16 minutes flight time. And pulling 50 amps.

I just switched to 18x10 and now get 14 minutes, but it will stand on its nose at full throttle and stay their.

I am thinking of going up to maybe a 20x8? More torque but less straight line speed.
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Old Nov 13, 2012, 08:44 PM
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United States, FL, Naples
Joined Oct 2011
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oops, I just saw your post on the other thread. You mentioned you have a 20 in prop and get about 9 minutes.

It will definitely hover with your prop.

Plus, I notice you live in alabama. I lived in Montgomery for 5 years, stationed at Maxwell AFB.
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Last edited by RC Erik; Nov 13, 2012 at 08:50 PM. Reason: spelling error
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Old Nov 13, 2012, 08:46 PM
customstandoffs
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USA, AL, Madison
Joined Dec 2007
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Wow small world. my wife is from montgomery and we still have a few friends there.
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Old Nov 13, 2012, 08:49 PM
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It has been 10 years since I left but I still remember living in Cedar Creek apartments near the Day St. gate to Maxwell.

Do they still have the Jubilee City Fest downtown?
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Old Nov 13, 2012, 08:52 PM
customstandoffs
cmala's Avatar
USA, AL, Madison
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I think so. We haven't been to it in a couple years
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