plevyakh
Joined: 10 Jan 2011 Posts: 39
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Posted: Tue Jan 11, 2011 9:39 am Post subject: Request review of Electrical Load Analysis - using Z13/8 arc |
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Folks,
I finished an initial version of my electrical load analysis. I'd like to get some feedback on this from the list.
My mission profile is as follows:
- Primary Day/Night VFR cross country machine with long term plans to complete a North & South America round the continent flight.
- Capable of IFR flight to complete cross country trip as weather deteriorates. I don't want to get stuck at an airport, but also don't plan to use this machine for extended HARD IFR.
Equipment:
- Superior XP360 engine, w/ Carburetor and fixed pitch Sensenich prop
- Dual Lightspeed Plasma III Capacitor Discharge Ignition system (CDI)
- Dual Grand Rapids Technology GRT - EFIS HX displays
- PMA8000 BT Audio panel
- GNS430W - Com1 / Nav1
- SL30 - Com2 / Nav2
- GRT Engine Information System (EIS) 4000
- Trig Avionics T22 Transponder
- Dynon D6 - backup ADI, A/S, Altimeter w/ it's own internal backup battery
- TruTrak Autopilot Digiflight II - VSGV
- Main (15 gal) + Auxiliary Wing Tanks (10 gal each) for total of 50 gal. fuel
- B&C L-40 main alternator (40 amps)
- B&C SD8 backup alternator (plan SD8 to provide 6 to 9 amps (at) 2400 prop RPM, and 5.4 to 7 amps (at) 2100 rpm). Note the Sensenich prop has an rpm continuous operation restriction from 2150 to 2350 rpm.
- Z13/8 architecture as base
Questions I have:
1) Are these current draws for the equipment listed about right? I've listed the source for each in the spreadsheet.
2) What is the maximum continuous operation amperage level to use for both the B&C L-40 and SD8 alternators?
3) Is there equipment on the endurance bus that should be excluded?
4) Is it typical to include the audio panel on the e-Bus? Or just include Com1/Nav1 when switching to the endurance bus?
5) What other questions should I be asking?
Thanks for your comments!
Howard
Howard M. Plevyak Jr.
Cincinnati, Ohio
hplevyak(at)me.com (hplevyak(at)me.com)
GlaStar Kit # 5615
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Glastar_Electrical_Load_Analysis_v0_11Jan2011.xls |
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_________________ Howard Plevyak
GlaStar / Cincinnati, Ohio |
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