Author Topic: Would a scaled-up r/c multi rotor work near full sized?  (Read 900 times)

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Would a scaled-up r/c multi rotor work near full sized?

« on: 25 September, 2019, 04:01:57 AM »
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a.flynn

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Right so I have this r/c multi rotor or quad-copter that I bought not long ago, if I made a scaled-up version say near full sized, would it work?  Thanks for any advice.

Re: Would a scaled-up r/c multi rotor work near full sized?

« Reply #1 on: 25 September, 2019, 04:16:25 AM »
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blag-it Admin

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It might but would depend on a lot of things.  What sort of construction is the r/c one?  Any pics?  Interesting idea BTW.

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Re: Would a scaled-up r/c multi rotor work near full sized?

« Reply #2 on: 25 September, 2019, 07:16:32 AM »
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ATH019

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Sikorsky I think have made an electric helicopter called Firefly, so in theory a big electric powered multi rotor would work, but how you going to make the parts?  Also will it still be radio-controlled or are you talking manual?

Re: Would a scaled-up r/c multi rotor work near full sized?

« Reply #3 on: 25 September, 2019, 09:18:41 AM »
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a.flynn

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I have a fairly decent shed and stuff, but the idea is still for it to be r/c just a lot bigger.  I have no cad progs or 3d printer or anything but will use the r/c one I have as a visual reference. 

Re: Would a scaled-up r/c multi rotor work near full sized?

« Reply #4 on: 26 September, 2019, 03:35:56 AM »
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blag-it Admin

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I have a fairly decent shed and stuff, but the idea is still for it to be r/c just a lot bigger.  I have no cad progs or 3d printer or anything but will use the r/c one I have as a visual reference.
Very nice, I like how the props are shielded.  To be certain a bigger version would work, you'd have to scale-up everything more or less exactly, which means power-to-weight ratios not just the size.

Re: Would a scaled-up r/c multi rotor work near full sized?

« Reply #5 on: 26 September, 2019, 12:19:06 PM »
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cybernut

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I have a fairly decent shed and stuff, but the idea is still for it to be r/c just a lot bigger.  I have no cad progs or 3d printer or anything but will use the r/c one I have as a visual reference.
Nice quad-copter there, nice pic.  Looks about 1-foot and a bit diameter, how much larger do you want your idea for a bigger version to be?

Re: Would a scaled-up r/c multi rotor work near full sized?

« Reply #6 on: 26 September, 2019, 01:24:30 PM »
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a.flynn

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I have a fairly decent shed and stuff, but the idea is still for it to be r/c just a lot bigger.  I have no cad progs or 3d printer or anything but will use the r/c one I have as a visual reference.
Very nice, I like how the props are shielded.  To be certain a bigger version would work, you'd have to scale-up everything more or less exactly, which means power-to-weight ratios not just the size.
Yea, if it slightly glances off a branch or something it's not effected, it doesn't crash.  And I know what you mean by scaling up power to weight ratios.

Re: Would a scaled-up r/c multi rotor work near full sized?

« Reply #7 on: 26 September, 2019, 01:28:55 PM »
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a.flynn

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I have a fairly decent shed and stuff, but the idea is still for it to be r/c just a lot bigger.  I have no cad progs or 3d printer or anything but will use the r/c one I have as a visual reference.
Nice quad-copter there, nice pic.  Looks about 1-foot and a bit diameter, how much larger do you want your idea for a bigger version to be?
Thanks  :) It's a shade over 14" on the diag.  On the other issue, about 5 foot and I think I can get elec motors big enough for it.

Re: Would a scaled-up r/c multi rotor work near full sized?

« Reply #8 on: 02 October, 2019, 01:12:41 AM »
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blag-it Admin

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Five foot is quite big, elec motors for something that size won't be cheap.

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