"Hi There
I am looking into buying the T4 gimbal. Did you finally manage to make it work with the PixhawK?
I am currently flying a X8 with the pixhawk and occasionally with the tarot 2D
I was wondering if you succeeded to control pan and tilt.
Best

F"

"Ciao Domenico
Grazie mille per le tue osservazioni, sto provando a rispolverare le mie conoscenze di fisica e metereologia per cercare di capire il comportamento del barometro e i vari valori. Comunque ho continuato a fare voli prova veloci e il…"

"Ciao Domenico 
Apprezzo moltissimo la tua risposta che mi aiuta a gettare un po di luce su come interpretare i log.
Specialmente per il post scriptum che indubbiamente mi tranquillizza e mi motiva.

Ho disabilitato tutti i failsafe perché non…"

"Hi Ronnie
I just saw your post and that is exactly what I had in mind for a huge coaxial octo I built, but I was too scared to connect the different circuits in one DF13 plug.
Has this configuration being working reliably so far on your S800?
I do…"

"Ciao Gianluca 
Anch'io non sono un esperto in elettronica ma molti consigliano di collegare le masse credo per diminuire EMI e creare qualche forma di sicurezza. Continueroì a studiare e cercare. 
Grazie per l'aiuto 
F"

"Hi Graham
so you reckon that if I cut the red wire off it shouldn't be a problem any way ( i already did in a couple of escs)
I did hear about the ground loop problem, do you know what to do to avoid it? that s why I thought a "clever" idea would be…"

"Hi Gustav
thanks for your reply, I m reading those pages till my eyes are sore but still confused about the issues in my previous post.
I am desperatly seeking for a local "guru" willing to share his knowledge, but doesn't seem an easy task!!!
 I ll…"

"Emile grazie per il suggerimento ho poi (ri)trovato le istruzioni https://code.google.com/p/arducopter/wiki/PPMsumRC.
Ciao
F"