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Subject: Re: [LML] Re: NC2 Legacy Performance questions
From: Craig Jimenez <jimenez.craig@gmail.com>
X-Original-To: Lancair Mailing List <lml@lancaironline.net>
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Thanks Gary,

> I now have the Lightspeed set at 22 (can't retard it any more than that)
and the mag at 20 and so far, so good.

Looks like Lightspeed is a mapped system (advance based deterministically on
MP, rpm...)?  GAMI's (as yet unreleased) PRISM appears to be very feedback
intensive by measuring peak cyl pressures (psi and relation to TDC).   A
nice halfway point on the complexity spectrum is probably what LASAR did by
measuring CHT and limiting advance when CHTs exceeded a pre-set limit.

Does Lightspeed have different mappings for different compression ratios?
One cool thing they do is to optionally display the spark advance.  Wonder
if there would be a way for the pilot to set max-allowable advance?

.

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<div>Thanks Gary,</div>
<div>=A0</div>
<div>&gt; I now have the Lightspeed set at 22 (can&#39;t retard it any more=
 than that) and the mag at 20 and so far, so good.<br></div>
<div>=A0</div>
<div>Looks like Lightspeed is=A0a mapped system (advance based deterministi=
cally=A0on MP, rpm...)?=A0=A0GAMI&#39;s (as yet unreleased)=A0PRISM appears=
 to be very feedback intensive by measuring peak cyl pressures (psi and rel=
ation to TDC).=A0=A0 A nice halfway point on the complexity spectrum=A0is p=
robably what LASAR did by measuring CHT and limiting advance when CHTs exce=
eded a pre-set limit.</div>

<div>=A0</div>
<div>Does Lightspeed have different mappings for different compression rati=
os?=A0=A0 One cool thing they do is to optionally display the spark advance=
.=A0 Wonder if there would be a way for the pilot to set max-allowable adva=
nce?</div>

<div>=A0</div>
<div>.=A0 </div>

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