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Old Dec 26, 2009, 09:24 PM
FICKLE FLYER
tlh101's Avatar
Corpus Christi, Texas, United States
Joined Dec 2002
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Kangke Monocoupe 90A

Now that I have several flights on this conversion, and know that it works well, I have decided to post it here.
The model is a Kangke Super Kraft Monocoupe 90A. Wingspan is 76", with a wing area of 865 sq in, and weighs 11 3/4 lbs rtf. Wing loading is about 31 oz / sq ft.
Power is a 50-65 320kv motor I bought off E-bay for cheap. Also found a cheap Flyermate 80a esc, 5amp BEC, on E-bay. Batteries are Turnigy 5000 mah, 6s. Turning an 18x12E APC prop. Batteries are accesed thru a hatch on top of the plane, held by magnets.
The plane flys with authority, a will loop from level flight at 1/2 throttle. I can get 2, 6-7 min flights with power to spare on a charge.
Even with the batteries at the firewall in the cabin, I needed a pound of nose weight to balance at the rear most recommended cg. It's set up with flaps as well. Here's a few pics.
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Last edited by tlh101; May 25, 2010 at 09:10 PM.
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Old Dec 26, 2009, 09:30 PM
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Corpus Christi, Texas, United States
Joined Dec 2002
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Here's a video of the maiden flight, with a 16x10 prop, which was not a good choice. The vid is not great, due camera set-up.
Kangke Monocoupe electrified (4 min 56 sec)
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Old Dec 27, 2009, 06:14 AM
Sic itur ad Astra
sparks59's Avatar
United Arab Emirates, Abu Dhabi, Abu Dhabi
Joined Aug 2009
1,605 Posts
Your 'Coupe looks great. I especially like the instrument panel
Mark
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Old Feb 09, 2010, 11:28 AM
"RC ADDICT" in Toronto!
wollins's Avatar
Toronto Canada
Joined Aug 2004
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Looks good! I especially like the fact that you put a battery hatch as I hate taking a wing off to change a batt pack on an electric conversion.

Questions.

Is your hatch the precovered transparent area that seems to have been there already at the top of the fuse and you just made it a "removable" opening?

I'm assuming that if the above is true that opeing is big enough for you to get your hands into? If so ... I wonder if you could take a measurement of that area (the opening) as my hands are somewhat large.

I'm thinking about getting this plane and now that I see that a "seamless" hatch seems to be a viable option its even more tempting now!

BTW, are the wings two plug in halves (great for transport) or is it one wing?

Thanks!

Colin.
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Old Feb 09, 2010, 06:38 PM
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Corpus Christi, Texas, United States
Joined Dec 2002
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The hatch is already part of the kit. It's needed to secure the wings. It's 7" wide x 6" long. The wings are held on with an aluminium tube and bolts thru the cabin into the end ribs.
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Old Feb 09, 2010, 06:56 PM
"RC ADDICT" in Toronto!
wollins's Avatar
Toronto Canada
Joined Aug 2004
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Quote:
Originally Posted by tlh101 View Post
It's needed to secure the wings. .
I assume by the above you mean that you need the hatch for access to be able to bolt the wings on thru the cabin?

I notice there's a green pin. Is that for you to have something to grasp in order to open and close the hatch?

How do you access your packs around your pilot? It seems as if he might be in the way?

Thanks for the pics by the way!

Colin.
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Old Feb 09, 2010, 08:41 PM
FICKLE FLYER
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Corpus Christi, Texas, United States
Joined Dec 2002
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I assume by the above you mean that you need the hatch for access to be able to bolt the wings on thru the cabin?
Yes

I notice there's a green pin. Is that for you to have something to grasp in order to open and close the hatch?
Yes, the magnets are pretty stout.

How do you access your packs around your pilot? It seems as if he might be in the way?
Pilot, setting on a pice of wood, that is secured with magnets also. Note the pieces of razor blade on the blocks attached to the cabin side walls. I love magnets.
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Old Feb 09, 2010, 11:20 PM
"RC ADDICT" in Toronto!
wollins's Avatar
Toronto Canada
Joined Aug 2004
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You my friend have helped me immensley in my decision making process regarding the purchase of this plane. Thank you!

Colin
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Old May 25, 2010, 08:21 PM
Huge member!
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Pawtucket R.I.
Joined May 2008
479 Posts
I have been waiting for a thread like this! I just ordered the plane. Ive wanted it for a while but just cant do gas.Would one 6s 20 C 5000 batt be enough to get 10 min. flying time out of it? ( no full bore stuff,just slow Sunday flying). Ill probably get a few, but right now Ive got one 6s 20 C 5k hanging around,it would be nice to at least get a few shake down flights on it before having to drop more $ on batts. Also if I dont go with the flaps wil lI need a seperate BEC? Sorry if Im asking questions that sound foolish but Im not a tech. kind of guy. Ill buy what I need if there are specs. for a certain plane but so far I dont know of any set specs. for this plane.Thanks in advance. Brutus
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Old May 25, 2010, 09:15 PM
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With the 50-65 motor on an 18x12 prop, I could get 2, 6 min flights, using about 3500mah from a 5000 6s pack.
That motor has since gone bad. A winding shorted I think.
I have installed a Turnigy 50-55 400kv motor that I plan on using with a 15x10 or 16x8 prop on 5s. As yet, I have not flown it with that combo, so I don't know how it will fly. It's less power, but the other motor was overkill.
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Old Jun 14, 2010, 08:22 AM
WAA-08 Pilot Eventually
donjiskra's Avatar
Darien,IL,USA
Joined Jul 2000
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Congratulations on your conversion, excellent job.
Thanks for posting and sharing your information.
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Old Jun 14, 2010, 06:56 PM
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Thanks.
I flew it last weekend on the 50-55 set-up with the 16x8 APC prop. Flew same as before.
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Old Sep 05, 2010, 01:49 PM
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Corpus Christi, Texas, United States
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UPDATE:
I recently put a Turnigy 63-54 250kv motor in this model. Perfect combination. The motor is a little large, but I had a 1lb weight in the nose to balance. It's gone now, and on 6s this model really delivers. Running a 19x12 or 19x10 prop, 6+ min flights using about 2500 mah from my 6s 20c packs. Even does well on a 15c pack.
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Old Oct 05, 2012, 10:06 PM
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United States, CA, Concord
Joined Jun 2010
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Monocoupe 90A

This is an awesome thread, I just purchased one of these planes and I am going to do an electricic conversion. Thanks.
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