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nuckolls.bob(at)aeroelect
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 Posted: Thu Sep 05, 2013 7:38 am Post subject: Lightspeed Plasma III current curves |
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It took awhile to find the plot . . . but here's a set
of curves for current draw taken in the laboratory on
a number of Plasma III ignition systems.
[img]cid:7.1.0.9.0.20130905103652.020fab50(at)aeroelectric.com.0[/img]
Bob . . .
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hotwheels
Joined: 01 Jun 2007
Posts: 240
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| Posted: Fri Sep 06, 2013 7:42 am Post subject: Re: Lightspeed Plasma III current curves |
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I have dual LSE Plasma IIIs. Here are the current draw numbers Klaus shared recently for Box version "B". Your mileage may vary depending upon box vintage...
Box on, engine off: ~0.2A
Engine at idle power: ~0.8-0.9A
Engine at cruise power: ~2A
Regards,
Jay
N433RV RV-10 ... Flying!
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jonlaury
Joined: 06 Nov 2006
Posts: 336
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| Posted: Fri Sep 06, 2013 8:34 am Post subject: Re: Lightspeed Plasma III current curves |
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As Jay uses the singular "Box Version B". I assume the current draw would be double for dual LSE III's . Correct?
John
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peter(at)sportingaero.com
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| Posted: Fri Sep 06, 2013 9:20 am Post subject: Lightspeed Plasma III current curves |
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nuckollsr
Joined: 24 Mar 2009
Posts: 95
Location: Medicine Lodge, KS
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| Posted: Fri Sep 06, 2013 7:47 pm Post subject: Re: Lightspeed Plasma III current curves |
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2.0A at 'cruise' is consistent with the data taken assuming that you cruise at 2200 rpm and the electronics package is in a 75F ambient. It also assumes a 13.8v bus. Since these ignition systems are fitted with wide range switchmode power supplies, they will consume constant power for varying input voltages. So if you're operating in a battery-only endurance mode, the current draw at end of battery life (10.5v) would be on the order of 2.6A at 2200 rpm.
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nuckolls.bob(at)aeroelect
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| Posted: Mon Sep 09, 2013 5:20 am Post subject: Lightspeed Plasma III current curves |
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At 11:34 AM 9/6/2013, you wrote:
| Quote: |
As Jay uses the singular "Box Version B". I assume the current draw
would be double for dual LSE III's . Correct?
John
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Yes . . . that is PER system . . .
Bob . . .
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