Guarder SP110 = M120 Spring, so potential 394fps ???
47rps ???
I could see you clipping near 27rps on 7.4v,
then maybe 41rps on 11.1v - but 47 is going some,
Though a beefy C LiPo will give you extra zest,
The flip side is the fancy ETU's tend to skim a bit of power,
(each diode nicks 0.5-0.7v, turn on/forward voltage).
30k ÷ 12.75 (ratio) will give you about 23.5rps,
Squeeze a bit more out on 16awg/deans, shim well about 27rps,
x 1.55 = maybe 42rps & I've smashed a piston at that speed
even though it was short stroked 3 teeth ???
So 47rps is going some, perhaps questionable,
given that ETU's skim some juice
& motors should make a difference...
A 30k motor Vs a 18k G&G there will be a difference.
Also forget bells & whistles a second...
Set the Titan to do basic stuff, no AB, precock, burst etc...
Grab a standard RC power meter,
Plug that in and run a 5sec auto burst on 7.4v,
NB 7.4v not 11.1v to check amps on meter in auto,
coz the way the fancy MOSFETs report stuff varies.
Yes the surge from still will be 80-90 amps,
But overall the draw over a 5 sec period should,
be below 20, about 17 amp if done well 12:1 30k.
Draw will be lower on higher TPA motor,
But G&G 18k grey will struggle on 7.4v as it's ferrite.
The amp draw on 7.4v will be roughly the same as 11 1v,
The amps don't change, but the wattage alters on 11.1v,
Watts = Voltage X Amps
All you are doing is testing the amps on a meter,
without risking smashing the piston at silly speed,
Or excess heat being generated on a high amperage.
Get the amps read from a meter on a 4-5 sec auto burst,
Ensure it is below 20amps on a meter reading.
Is the sector/gun short stroked ???
Coz SP110 spring is near 400fps
Yes you lose a bit on a 300mm barrel,
But think you are losing some FPS somewhere too,
Coz the gun is losing efficiency it is working more,
on the SP110 or M120 spring unless SS'd 2-3 teeth.
And if running inefficiently that 47rps is dubious,
Unless motor is a High Speed one,
Which would explain it a bit along with heat/amps...
A number of things don't quite add up to me,
The slightly higher rof on a higher spring,
Lots of heat & killing batteries etc...
Motors not making much of a difference ???
(They should as you have a range of performance)
Yeah some stuff ain't quite as it seems to me,
So check the amps on a RC power meter/analyser...
Seems like you have used a SHS lightened piston,
so I wonder if the piston is binding quite a bit...
Which would explain some things, heat, amps, some power loss...
Yet this would effect the rps, which is quite high still...
So yeah, some things are not quite adding up to me ???