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Hi all:
Was just sitting around doing initial planning on my LC235 electrical system. I just reviewed the Plans and Archive LML but could find little written about the sizing of breakers/fuses for the electrical system. Can anyone fill in the ratings of the breaker/fuse used in the listed components to help me plan my panel:
Component: fuse/breaker rating:
Fuel Pumps
Nav/Com (Apollo SL)
GPS (handheld)
Flaps 5 amp breaker (per plans)
Hyd pump 50 amp breaker (per plans)
Strobes
MT prop (if I can afford)
Instrument Lighting
Interrior Lighting
Gear Down Lites
Aux 14V
Alternator 80 amp fuse (per LML posts)
I'm sure I've left some off, feel free to help complete this list.
Thanks in advance.
-Ed Sikora
planeman23@hotmail.com
[Ed, et al,
Here's a list off of an Aero-Electric Connection-prepared schematic that
was loaned to me by Simon Creasy (thank you, Simon!) and made for his
Lancair 320:
Main Bus... Essential Bus
Alt Field 5A Ess. Bus Alt. Feed 20A
Lo Volt Warning 5A Clock 5A
Landing Lite 10A Gear System 5A
Strobes/Navs 15A Fuel Boost 10A
Flaps 15A Fuel Xfr 10A
Starter System 5A Prop 5A
Yaw Trim 2A GPS/Comm 10A
Roll Trim 2A Xpndr 5A
Pitot Heat 20A T&B 5A
Spare 5A Gyro Horizon 5A
Standby Alt 10A
Remote Compass 5A
VM1000 Eng. Instrs. 5A
This particular schematic shows a 70A fuse for the alternator, but that
is obviously to be determined by the size of the alternator being used.
Check the individual power requirements of any other instruments, avionics,
or accessories you might want to add and size their breakers/fuses
accordingly. I hope this gets you pointed in the right direction.
<Marv> ]
LML website: http://www.olsusa.com/Users/Mkaye/maillist.html
Builders' Bookstore: http://www.buildersbooks.com/lancair
Please send your photos and drawings to marvkaye@olsusa.com.
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