Mailing List flyrotary@lancaironline.net Message #21872
From: William <wschertz@ispwest.com>
Subject: Re: [FlyRotary] Re: How long can you fly on your battery??
Date: Sun, 15 May 2005 08:46:09 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Message
Ian,
Was your measurement done on one using fuel injectors? Did you use the LS-1 coils?
 
Your current numbers are lower than Tracy reported for the fuel pump alone.
 
I have attached a pdf of a powersonic battery (20 amp-hour), and the current draw has a marked effect on the capacity.
 
Bill Schertz
KIS Cruiser # 4045
You will have to fit a car battery. Too many pumps. With Tracy's fuel pump( one for each tank) no transfer pump no EWP the usual radios Michrotech emc and engine monitoring. Measured in line with a digital meter < 4 amps. 16 Ah batt. = endurance of 3 to 4 hours. The alternater was only 12 amps!

Why would the current increase so much with RPM ?  May be a bit more for the injectors.( Full on 2 inj. 14ohms 2 amps) The high pressure pump runs at constant speed. 

Happy flying
Ian Beadle.



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