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From: Walter Atkinson <walter@advancedpilot.com>
Subject: Re: [LML] Re: Electronic Ignition


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Bob:

We have become increasingly aware that ICPs are the primary issue in=20
longevity.  We have seen some high compression engines have timing=20
set-ups that result in very high and dangerous ICPs.  I would want to=20
know those parameters and if Lycon cannot give me ICP NUMBERS, I would=20=

be very suspect that they are unaware of the dangers thereunto,=20
appertaining.

I would be VERY interested in how one gets the equivalent power at=20
14,000 feet that one gets at 7500 feet without a turbo.  Is this engine=20=

turbocharged?  If so, it has some serious issues with 10.5:1 pistons at=20=

full power where FF and timing are concerned.    If not, there could be=20=

some snake oil in the claims.  Ask for NUMBERS, not opinions.

Walter


On Oct 18, 2005, at 9:21 AM, rsmiley wrote:

Subject: [LML] Re: Electronic Ignition
>
>
> "Do you have any idea what the internal cylinder pressures are at=20
> takeoff? Do you have any idea what the long-term issues are?"=A0 re=20
> modified engine.
>
>
> Walter, I do not know anything about internal pressures. Not my=20
> expertise so I must depend upon others.=A0 I plan to use full power on=20=

> takeoff. Once I am 500 agl is reached, reduce power for lower altitude=20=

> flying and climbout and incrementally increase power as=A0 altitude=20
> increases. Maintaining a constant=A0reasonable manifold pressure might=20=

> be a likely scenario. =A0Full throttle at=A0 14,000 ft. is equivalent =
to=20
> 75% power at 7,500 ft. of the original configuration.=A0 This is=20
> according to Ken at Lycon.
> =A0
> TBO?=A0 who knows. I am 63 and have 350 hours in five years.=A0 Using =
that=20
> as an average I don't think I have to worry about an overhaul except=20=

> for corrosion problems. Proper pickeling in the winter, as I travel=20
> south, will go far to help alleviate that problem.
> =A0
> Ken stated, I would gain about 7,500 feet of altitude performance with=20=

> the engine mods.=A0 The new prop is an additional performance =
increment.
> =A0
> Bob Smiley
> N94RJ
>
> =A0=

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Bob:


We have become increasingly aware that ICPs are the primary issue in
longevity.  We have seen some high compression engines have timing
set-ups that result in very high and dangerous ICPs.  I would want to
know those parameters and if Lycon cannot give me ICP NUMBERS, I would
be very suspect that they are unaware of the dangers thereunto,
appertaining.


I would be VERY interested in how one gets the equivalent power at
14,000 feet that one gets at 7500 feet without a turbo.  Is this
engine turbocharged?  If so, it has some serious issues with 10.5:1
pistons at full power where FF and timing are concerned.    If not,
there could be some snake oil in the claims.  Ask for NUMBERS, not
opinions.


Walter


On Oct 18, 2005, at 9:21 AM, rsmiley wrote:


=
<bold><fontfamily><param>Arial</param><x-tad-bigger>Subject:</x-tad-bigger=
></fontfamily></bold><fontfamily><param>Arial</param><x-tad-bigger>
[LML] Re: Electronic Ignition</x-tad-bigger></fontfamily>

<excerpt>


"Do you have any idea what the internal cylinder pressures are at
takeoff? Do you have any idea what the long-term issues are?"=A0 re
modified engine.


Walter, I do not know anything about internal pressures. Not my
expertise so I must depend upon others.=A0 I plan to use full power on
takeoff. Once I am 500 agl is reached, reduce power for lower altitude
flying and climbout and incrementally increase power as=A0 altitude
increases. Maintaining a constant=A0reasonable manifold pressure might
be a likely scenario. =A0Full throttle at=A0 14,000 ft. is equivalent to
75% power at 7,500 ft. of the original configuration.=A0 This is
according to Ken at Lycon.

=A0

TBO?=A0 who knows. I am 63 and have 350 hours in five years.=A0 Using =
that
as an average I don't think I have to worry about an overhaul except
for corrosion problems. Proper pickeling in the winter, as I travel
south, will go far to help alleviate that problem.

=A0

<fontfamily><param>Arial</param><smaller>Ken stated, I would gain
about 7,500 feet of altitude performance with the engine mods.=A0 The
new prop is an additional performance increment.</smaller></fontfamily>

=A0

<fontfamily><param>Arial</param><smaller>Bob =
Smiley</smaller></fontfamily>

<fontfamily><param>Arial</param><smaller>N94RJ</smaller></fontfamily>


=A0</excerpt>=

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