Thursday, August 8, 2013

Switches and batteries

After sitting around for three days with a nasty head cold I decided to try and get some work done.  Most all the parts have arrived so I can now start the install of batteries, switches etc.
 
 
 
I located the best spot to attach the ignition behind the firewall. After the firewall gets fuel proofing I will add rubber grommets around the holes to protect the wire.
 
 
What I have done here is cut and shape the tray that will hold the tank on one side and the batteries and regulators on the other.
 
 
I mounted the tray as far forward as possible. No matter how much weight I can get forward we will still need nose weight, all scale planes finish tail heavy in my experience.
 
 
Under the hatch in the hidden box I mounted the switches and fuel dot. One dual switch for the two Fromeco 5200 batteries, one switch for the Fromeco 2600 battery regulated to the ignition and one switch to the Fromeco 2600 battery regulated to the fuel pump. I am using separate batteries for safety, some people might combine the fuel pump and ignition battery but that’s a lot to ask from one battery in my opinion. 

 
 
I used a blue fuel dot and switch cover for the fuel system just to help define which switch does what.





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