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 Post subject: JPC's T-Copter
PostPosted: Sat Mar 01, 2014 8:36 pm 
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Joined: Mon Jul 25, 2011 11:58 am
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Location: Austin, TX
It's done! I readily admit that I used the Simplecopter T as the inspiration for this design, and if I were to do it again I'd just buy his kit! :roll:
It has the same motors and ESCs as the V-Tail, and same control board as well. It's still "naked", I wanted to get it ready to fly today so I skipped painting for now. How does it fly? Freaking fantastic, that's how! :thumbup:

Here's the equipment list:

Motors:SunnySky X2212-9 1400kv from BuddyRC
ESCs: DYS SimonK Program 30A from BuddyRC
Control Board: KK2.1 withSteveis 1.14S1 Pro firmware
Props: Gemfan 8x4.5 in the pics, but now I'm flying it with APC 8x4.5MR props (MUCH better!)
Battery: Pulse 3S 3300 from HeliDirect, good for 8 minutes of putzing around or ~6 minutes of balls-out fun.

Image

Here's a video of it on 3S, I don't have any video of it on 4S but let me tell you... it's totally INSANE. I love it. 8-) :lol:
NOTE: If you want to use 4S, consider lower KV motors or 40A ESCs especially if using the APC props. I had an overcurrent shutdown of the rear motor on 4S with ugly results. You've been warned. :)


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 Post subject: Re: JPC's T-Copter
PostPosted: Sat Mar 01, 2014 10:16 pm 
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Location: Houston, Texas
So you figured out the CG then?

Where did you put it in the end?

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 Post subject: Re: JPC's T-Copter
PostPosted: Sat Mar 01, 2014 10:38 pm 
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About midway between your suggestion and that diagram I found online. :)

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 Post subject: Re: JPC's T-Copter
PostPosted: Sun Mar 02, 2014 10:27 am 
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Well that certainly looks like it works well for you.

So what do you think of the VTail compared to the Tricopter?

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 Post subject: Re: JPC's T-Copter
PostPosted: Sun Mar 02, 2014 11:14 am 
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The best analogy I can think of is the VTail is like a luxury sports sedan, and the T is more like a sports car. Both are nimble and very fun to fly, but the V feels totally locked in and immensely powerful, where the T is more zippy and peppy if that makes any sense. :thinking

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 Post subject: Re: JPC's T-Copter
PostPosted: Sun Mar 02, 2014 11:15 am 
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Joined: Thu Aug 11, 2011 12:46 pm
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Location: McKinney, TX
Looking good, I kept waiting for you to flip it every time you went up with it. BTW the flips on a tri our t copter are pretty cool looking compared to the quads.

Sent from my Nexus 7 using Tapatalk

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 Post subject: Re: JPC's T-Copter
PostPosted: Sun Mar 02, 2014 11:18 am 
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It was very tempting, but since I haven't had them out in the open field to tune the stick scaling yet I didn't want to risk a flip in such a confined space. :(

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 Post subject: Re: JPC's T-Copter
PostPosted: Sun Mar 02, 2014 1:48 pm 
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Very Nice! What is your BNF cost?


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 Post subject: Re: JPC's T-Copter
PostPosted: Sun Mar 02, 2014 3:06 pm 
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BNF cost on the V was $290 and change, so it would be about $40 cheaper for this one (one less motor / ESC). Cheap fun. :)

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 Post subject: Re: JPC's T-Copter
PostPosted: Sun Mar 02, 2014 5:08 pm 
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OK so i need to order some more esc and an FC for my Tricopter

Will have to price up some cheap HK motors for comparison.

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