OK, so I've been involved with FPV long enough to know that it's generally advised to avoid doing what I'm about to propose.
Specifically, I'm asking for input from those who have experience running their FPV camera and video transmitter off the same battery that powers their radio receiver and servos.
Yes, I know... read the first line again.
The reason for this question is the somewhat unique use case I want to explore for a FPV rig:
Specifically, I want to further explore FPV slope soaring, and I live in a place where my best / favorite soaring site requires the use of very lightweight gliders. VERY lightweight... think 1.2m (48") wingspan weighing around 350g (12oz) all up, including battery.
Running a separate FPV battery wouldn't be the end of the world, but if there's any way I could avoid it, I'd prefer to.
I've found the Lumenier 200mw AIO FPV camera & VTX package thanks to a recent Charpu video where he used one on a 2" quad. It weighs only 4.5g, will run on 3.3 - 5V, which should be well within the range of a typical 4.8V receiver pack, especially if I used a small Pololu voltage regulator to ensure I never went above 5V.
Now, my thinking is this: Quads run everything off a single battery pack, and those motors must certainly generate way more noise than a few servos... am I way off base here?
Obviously I'll need to carefully monitor pack voltage to ensure I don't get brownouts on my radio system (yay Spektrum!) and blackouts on my video system. But that's easy, and the glider I have in mind will make switching batteries in the field no big deal.
Am I way off base here? Would appreciate a sanity check.
P.S. - I do tons of LOS slope aerobatics and want to explore / potentially help pioneer FPV slope aerobatics. Here's a sample of what I'm talking about, including the glider - Dream-Flight Ahi (1.2m / 350g) I plan to try flying FPV with.
Specifically, I'm asking for input from those who have experience running their FPV camera and video transmitter off the same battery that powers their radio receiver and servos.
Yes, I know... read the first line again.
The reason for this question is the somewhat unique use case I want to explore for a FPV rig:
Specifically, I want to further explore FPV slope soaring, and I live in a place where my best / favorite soaring site requires the use of very lightweight gliders. VERY lightweight... think 1.2m (48") wingspan weighing around 350g (12oz) all up, including battery.
Running a separate FPV battery wouldn't be the end of the world, but if there's any way I could avoid it, I'd prefer to.
I've found the Lumenier 200mw AIO FPV camera & VTX package thanks to a recent Charpu video where he used one on a 2" quad. It weighs only 4.5g, will run on 3.3 - 5V, which should be well within the range of a typical 4.8V receiver pack, especially if I used a small Pololu voltage regulator to ensure I never went above 5V.
Now, my thinking is this: Quads run everything off a single battery pack, and those motors must certainly generate way more noise than a few servos... am I way off base here?
Obviously I'll need to carefully monitor pack voltage to ensure I don't get brownouts on my radio system (yay Spektrum!) and blackouts on my video system. But that's easy, and the glider I have in mind will make switching batteries in the field no big deal.
Am I way off base here? Would appreciate a sanity check.
P.S. - I do tons of LOS slope aerobatics and want to explore / potentially help pioneer FPV slope aerobatics. Here's a sample of what I'm talking about, including the glider - Dream-Flight Ahi (1.2m / 350g) I plan to try flying FPV with.