Forum: Messages
01-11-14, 02:38 PM
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Replies: 30
Views: 43,095
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Forum: Messages
01-10-14, 06:27 PM
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Replies: 30
Views: 43,095
The engine test stand data confirmed the math! ...
The engine test stand data confirmed the math! This is a very good "rule of thumb" calculation that can be off a very small amount as other factors do affect the mass airflow. Those differences are...
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Forum: Messages
01-07-14, 07:13 PM
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Replies: 30
Views: 43,095
HP calculation ROP (mass...
HP calculation ROP (mass airflow):
(100+(((RPM-maxRPM)/100*2.5)+((MP-maxMP)*3.5)))/100*maxHP.
HP calculation LOP (FF):
NA engines = 14.9 * FF = HP
TC engines = 13.75 * FF = HP
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Forum: Messages
01-07-14, 07:05 PM
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Replies: 30
Views: 43,095
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Forum: Messages
01-07-14, 07:02 PM
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Replies: 30
Views: 43,095
Gentlemen:
Based on the hard data rather than...
Gentlemen:
Based on the hard data rather than people's opinions, there is a tremendous amount of misinformation in this thread concerning HP determination and intercoolers. I will try to address as...
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Forum: Messages
10-06-13, 10:39 AM
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Replies: 4
Views: 11,017
If flying NA, optimal leaning to LOP from Best...
If flying NA, optimal leaning to LOP from Best Power will gain you a 3 gph fuel savings (per engine) and cost you 3 knots. If you are losing more than 3-4 knots, the leaning is farther LOP than...
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Forum: Messages
04-08-13, 12:06 PM
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Replies: 3
Views: 9,532
Regarding the Mike Busch article referenced...
Regarding the Mike Busch article referenced above. Essentially everything in that article, Mike got from us at APS... with one exception. He does not use EGT as a leaning reference. This is, in...
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Forum: Messages
12-11-12, 05:07 PM
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Replies: 5
Views: 16,230
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Forum: Messages
08-06-12, 06:46 PM
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Replies: 11
Views: 16,101
The most important aspect of adding FF is that...
The most important aspect of adding FF is that it's data be in the engine monitor download. Having each engine's FF individually catalogued is very helpful when troubleshooting engine problems.
Take...
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Forum: Messages
04-09-12, 10:14 AM
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Replies: 10
Views: 14,333
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Forum: Messages
04-06-12, 12:50 PM
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Replies: 10
Views: 14,333
That sounds stupid to me, too.
I disagree. ...
That sounds stupid to me, too.
I disagree. There are a number of reasons to run a TANK dry, but I agree, not the entire engine's fuel. A one hour reserve--ALL IN ONE TANK is the safest...
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Forum: Messages
04-05-12, 12:54 PM
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Replies: 9
Views: 13,956
Gentlemen:
I spent 1+20 on the phone this...
Gentlemen:
I spent 1+20 on the phone this morning with Dan Broerse of Insight concerning the G3 and the issues that I think should be best addressed to make it a better, more useful instrument. Our...
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Forum: Messages
04-04-12, 10:33 PM
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Replies: 9
Views: 13,956
Rick:
I think it unreasonable for anyone to...
Rick:
I think it unreasonable for anyone to expect me to visit every aviation internet forum and post such a message. I have been very forthcoming on many internet fora for over a decade about JPI,...
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Forum: Messages
04-04-12, 08:56 PM
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Replies: 9
Views: 13,956
Let me repeat: I have owned and flown behind...
Let me repeat: I have owned and flown behind several different Insight monitors. The 602, 603 and 610 as well as the 1200. They were good monitors for their times. I still like the 610.
As far as...
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Forum: Messages
04-03-12, 08:19 PM
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Replies: 9
Views: 13,956
My experience is that JPI produces the best...
My experience is that JPI produces the best hardware (next to the Xerion AuRacle) and that EI has the best customer service. Too bad EI won't address their software and owner's manual issues, which...
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Forum: Messages
04-03-12, 01:58 PM
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Replies: 9
Views: 13,956
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Forum: Messages
03-14-12, 09:23 PM
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Replies: 10
Views: 14,333
Excellent advice. I run tanks dry routinely. ...
Excellent advice. I run tanks dry routinely. It's a safety issue. It was SOP in the piston airliners for decades. (There IS a reason not to run tanks dry on turbines. Different animal)
You want...
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Forum: Messages
01-20-12, 01:26 PM
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Replies: 11
Views: 13,803
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Forum: Messages
01-18-12, 08:46 PM
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Replies: 11
Views: 13,803
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Forum: Messages
01-05-12, 01:00 AM
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Replies: 1
Views: 7,538
In my educated opinion on the subject, that's...
In my educated opinion on the subject, that's very unlikely to happen.
The only currently viable option I know of able to replace 100LL which would be currently produceable by multiple refineries...
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Forum: Messages
12-02-11, 10:48 AM
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Replies: 6
Views: 12,188
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Forum: Messages
12-01-11, 06:47 PM
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Replies: 6
Views: 12,188
What you are experiencing is the incipient...
What you are experiencing is the incipient failure of the plug. I have a bushel basket full of plugs that are bad, but TEST good on a bomb test. Replacing plugs that act like this at your earliest...
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Forum: Messages
11-30-11, 04:52 PM
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Replies: 6
Views: 12,188
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Forum: Messages
09-29-11, 01:27 PM
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Replies: 32
Views: 76,779
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Forum: Messages
09-28-11, 06:17 PM
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Replies: 32
Views: 76,779
Two things I don't see discussed about the...
Two things I don't see discussed about the diesels:
1) the HUGE hit they take in additional cooling drag which makes the fuel efficiency not nearly as good as the claims which do not take that drag...
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