"Hi Ben
Point taken!!
Let me recheck everything again.

thanks"

"Thanks faraz and Rehan
If this is the case then a thin wire of balance charger would have not survived for 7 minutes as i had pulled 30 amp and on average 15 amps.
Would try to figure out. 
i appreciate your help.

arif"

"Hi Keith

Thanks
But this is the input ubec powering the APM,(with JP1 removed)  its not at the output powering servos.
Any thoughts??
regards"

"AoA
Dear Ahmed Rehan. thanks for quick reply.
From which country you are? if you are from Pakistan , i can call you to undersatnd better.
I have my speed controller on output side. ubec is on input side of APM powering APM and xbee module. the…"

"Hi
I am facing a some what similar problem. I have same xbee. powered from input rail. my ubec connected to input got hot and  almost all its black ground wire burnt. is it that xbee is draining power.??

thanks
arif "

"Hi Fred
Hope you are well.
can you please tell me where did u place CoG?? i am a beginner so is extra cautious. some say servo line some 30mm behind it. all confusing.
i have older skywalker v5 1680.
how much should be control throws?
would…"

"Hi
Thanks Fred for useful info.
Cala can you please elaborate your post. I did not get it.

thanks"

"Hi Fred 
thanks for help. I understand that 4s has more power. Perhaps my higher KV motor may compensate for lower voltage 3s battery. That combination was recommended by builders for 3s. lets see.
I also have APM installed exactly as yours .
Have…"

"Hi Fred
What do u recommend for first flights. Manual mode. Then stabilise and so on ?? Did u auto tune ??
Have u any links for Ur build blogs or flight blogs. I just need tips for this sky walker APM build. Thanks"

"Hi Fred
thanks a lot, i hope u would be a great help.
i have seen my default values, these are way different in many parameters. i have 3.03. Have u loaded skywalker parameters from some configuration files??
can u please also send me some pics of…"