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Kerrville, TX, USA
Joined Sep 2006
35 Posts
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Hangar 9 100" Super Cub ARF
Hi Guys,
I have had one of the above sitting around the shop for 3-4 years. Got it from Chief Aircraft for ~$200 when H9 closed them out. Just got around to putting it together with G26 magneto engine. I'm up to the point of locating the receiver and dual batteries - 1200 mA, 6V NIMH - with a switch for each. For those of you who've built this model: is it critical where I locate the batts and Rx, considering getting it balanced without adding ballast, or is the thing too big to care about those small components? Or, to put it another way, how'd you rig yours? Many thanks, CR |
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Re: Hangar 9 100" Super Cub ARF
Install every thing you have except your battery/batteries then plug the wings in and set up the plane like your going to fly it minus fuel and battery/s. Set it up to balance it then sit the batteries on top of the model then move forward or backwards until the model balances and then you will know where the batts need to be installed.
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Kerrville, TX, USA
Joined Sep 2006
35 Posts
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Re: Hangar 9 100" Super Cub ARF
Quote:
As it turns out, the weight of the battery(s) was immaterial to the balance of the model unless I put one that weighs twice as much in the tail. It took 8 oz of weight located in the fuse just in front of the tail wheel mount to bring the model into balance. I could have done it with a couple of 6 volt NiMH 's in the tail but I didn't feel like building the wiring harness, so didn't bother. On the maiden, the model jumped off the grass with a minimal take off roll at full power. On a later flight, half throttle got me a scale "Cub" TO, no sweat. The G26 is more than enough power for sure. CR |
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Re: Hangar 9 100" Super Cub ARF
Apologies
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Re: Hangar 9 100" Super Cub ARF
Hey guys its ok misunderstandings happen.
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Re: Hangar 9 100" Super Cub ARF
Hey guys its ok misunderstandings happen.
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Kerrville, TX, USA
Joined Sep 2006
35 Posts
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Re: Hangar 9 100" Super Cub ARF
Quote:
You on the other hand are just stirring the pot. I didn't ask you for anything. CR |
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United States, CA, Cerritos
Joined May 2008
107 Posts
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Re: Hangar 9 100" Super Cub ARF
Hey Charlie - what size fuel tank came "stock" in these? I managed to score a used one this weekend for $50 - no fuel tank. Going to run my Zenoah G26/Mag motor in it - i was thinking 16-20 oz of gas would work out fine.
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Re: Hangar 9 100" Super Cub ARF
For that motor that size tank is super huge.a 12 oz tank or 14 would be perfect you would get near 18 min on the 12 ozer.
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United States, CA, Cerritos
Joined May 2008
107 Posts
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Re: Hangar 9 100" Super Cub ARF
Yeah, did a bit of Google work at lunch, came up with an article written in '04 where they got 14 minutes on a 16 oz tank, running an APC 18x6W @ 8040 RPM. That works out to 1.14oz/min at full throttle - your 14 oz recommendation with mixed throttle would be pretty much in the ballpark. I guess that 32 oz tank I found in the garage should wait for a larger aircraft
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Re: Hangar 9 100" Super Cub ARF
Yep especially on a cub you wont be at full throttle much.
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