.46 glow to electric need help - Page 3 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 09-11-2016, 06:08 PM   #21
mawz
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Re: .46 glow to electric need help


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Sounds like the 46 is really too much motor then. Perhaps I'll try the 32 then. Enough power to approach 3D is definite overkill for me. I'm looking for mellow.

As to the batteries, I've other uses for that particular size (I've my eye on getting something in the same size category as a Fun Cub or Timber, which a 3S 3200 would be ideal for) which is why I was considering it (well, and the fact it was recommended to me by the LHS). Repropping on the same battery makes sense though.

Got some time to figure this out, since the airframe won't be ready to fly for a while (it was built by somebody who obviously didn't pay attention to levelling. I'm going to end up rebuilding half the bloody thing).
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Old 09-11-2016, 11:11 PM   #22
OLD PRAIRIE RED NECK
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Re: .46 glow to electric need help

One of our club members just converted a Kadet Senior to electric with an Eflight 46 and it pulls it around with authority! That is a 7 to 8 pound plane with over a 6 foot wingspan. My Seniorita weighs 3 pounds, has a 60" wing and goes vertical for a 100 feet or so with an Eflight 15 on 4 cells and a 12 x 6 prop. The 32 should be about right.
The neat thing about electric set ups in my opinion is that unlike an engine you can oversize your power system and just limit the thrust by putting on a smaller prop with no fears of overreving and damaging the motor. The RPMs are limited by the frequency the speed controller puts out regardless of the load. Sure it will rev a bit higher but not so much as to cause issues.
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Old 09-11-2016, 11:29 PM   #23
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Re: .46 glow to electric need help

Quote:
Originally Posted by mawz View Post
I'm going to end up rebuilding half the bloody thing).
While you are in there look for ways to lighten it up especially on the tail. Electrics have a very smooth power delivery and planes designed for the vibration of an engine tend to be over built for electric power. If it has a solid balsa tail group consider building up a new one out of 1/4" square stock, take a hole saw to the light ply fuse sides, etc. Just watch that you keep the critically stressed areas in tact, the wing mount, firewall, landing gear mounts and the corners of the fuselage.
Every ounce you save on the tail will let you take 4 ounces off the nose for a total saving of 5 ounces. As you are a mellow sort of flyer you will really appreciate the wider speed range and lower landing speed that a lighter airframe will give you!
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Old 09-12-2016, 02:32 PM   #24
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Re: .46 glow to electric need help

If you have a larger motor; no worry. Its all in the throttle settings needed for flight and in most cases you need the extra weight up front. I am finding with my motor combinations I tend to overpower a little , throttle back when airborne and get much longer flying times as the less load on the motor less amps used. Then the options you have, are smaller battery capacity lipos (less expensive) or longer run times. At least that is on the motor/esc combos I use with success.

As Merv says: light is the way to go as you don't have the vibration from ignition or glow motors to
worry about ; only non balanced props .

Last edited by stegl; 09-12-2016 at 02:44 PM.
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