Longer arms - bigger props=different quad?

Everso

Member
Hi all,

I have just joined the "big boys world" after playing with some toy grade quads for a year or two. I picked up a nice FPV250 with GPS - APM 2.8 screen, batteries transmitter and all sorts of other goodies for £130

I am not 100% sure what is going to end up being "my thing" but I am interested in FPV racing and aerial photography.

Now - if I move more towards the photography direction then this is not going to be the best quad in the world. It will carry a Go-Pro but I doubt it it will also take much more. I was wondering if I go that way would it be possible to fit longer arms and bigger props? I know it will probably require different motors as well but is such a modification realistic or would I be better off getting a F450 frame and moving everything over to it?

If I made the arms easy enough to swap it should be not too bit a deal to change from a 250 FPV screamer to a 500(ish) lifter. Will the flight controller need re-calibrating and if so could I store the calibrations (on board or on a ground station for simple swapping)?

I think the problem is I want my cake and eat it. I know I will probably end up with a second quad so I have both types but that's a while (and a few over time shifts) down the line.
 
I think you answered your own question in the last sentence. AP just isn't what 250's are designed for. By the time you find xtended arms, different motors and other things that will probably go along with it, it probably isn't going to be much more $ to just build a second one.
 
Yhea - a night sleeping on it and it's going to happen that way. A F450 (maybe a F550 or even 3d print something) with motors/ESCs seems to be about £60 on ebay. Drop the APM/GPS/telemity in there and put a KK in the FPV. May well invest in a second camera so I have FPV on the photo quad for framing etc.
 
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