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Search took 0.00 seconds; generated 96 minute(s) ago. Search: Posts Made By: Walter Atkinson
Forum: Messages 07-26-11, 10:41 AM
Replies: 18
Views: 69,057
Posted By Walter Atkinson
Several thousands have taken the seminar and the...

Several thousands have taken the seminar and the only comments we get are that it was well worth the time and expense. We'd love to have you join us. The next class is in Colorado Springs, August 9...
Forum: Messages 07-25-11, 08:32 PM
Replies: 18
Views: 69,057
Posted By Walter Atkinson
WOW, you have a bushel basket of questions! I'll...

WOW, you have a bushel basket of questions! I'll try to answer them succinctly, but most of these are answered in detail in the APS class.

TC'd engines with 7.5:1 CR are generally in the .42 -...
Forum: Messages 07-22-11, 02:29 PM
Replies: 18
Views: 69,057
Posted By Walter Atkinson
Herb: Exhaust valve temperature is most affected...

Herb:

Exhaust valve temperature is most affected by CHT. The lower the CHT, the lower the exhaust valve temperature. EGT has no effect on exhaust valve temperature. As a matter of fact, if you...
Forum: Messages 07-16-11, 11:01 PM
Replies: 18
Views: 69,057
Posted By Walter Atkinson
David: You hit the nail pretty squarely on the...

David:

You hit the nail pretty squarely on the head with minor exceptions.


Well, the turbos don't really go to idle, but they do slow down, BUT you do not have a "regularly" aspirated engine. The...
Forum: Messages 06-29-11, 08:14 PM
Replies: 4
Views: 25,136
Posted By Walter Atkinson
Good luck and I hope it's nothing more than a...

Good luck and I hope it's nothing more than a misunderstanding.
Forum: Messages 06-29-11, 09:57 AM
Replies: 4
Views: 25,136
Posted By Walter Atkinson
An aviation attorney in Denver is Rick Durden...

An aviation attorney in Denver is Rick Durden (also of aviation writing notoriety).
Forum: Messages 06-28-11, 10:49 PM
Replies: 30
Views: 64,497
Posted By Walter Atkinson
Ernie: Kuddos. You have the right answer--the...

Ernie:

Kuddos. You have the right answer--the EGT will drop. The "why" does not come from the probe seeing "less gas." The drop is seen whether the probe is upstream or downstream of the crack. ...
Forum: Messages 06-28-11, 10:37 PM
Replies: 18
Views: 69,057
Posted By Walter Atkinson
LOL! Ya got that right. But, why are you...

LOL! Ya got that right. But, why are you right?

From my experience teaching these topics for over a decade to thousands of pilots, I would offer the observation that those who have come to...
Forum: Messages 06-28-11, 07:55 PM
Replies: 30
Views: 64,497
Posted By Walter Atkinson
Ernie: Are you aware that if a SkyMaster that...

Ernie:

Are you aware that if a SkyMaster that has an exhaust crack develop had an engine monitor that event would have been seen almost immediately by a pilot educated in interpreting the engine...
Forum: Messages 06-28-11, 07:13 PM
Replies: 18
Views: 69,057
Posted By Walter Atkinson
Smile Ernie: These conversations are very beneficial. ...

Ernie:

These conversations are very beneficial. Let's look at some of these issues with a little more depth.


By definition, a conforming engine is one that conforms to the design. They are...
Forum: Messages 06-27-11, 03:41 PM
Replies: 18
Views: 69,057
Posted By Walter Atkinson
Understanding is always a good thing. Your...

Understanding is always a good thing. Your engine is SUPPOSED to come with balanced F:A ratios as that is how it was designed. Unfortunately, many don't, hence the business opportunity for a...
Forum: Messages 06-27-11, 12:34 PM
Replies: 18
Views: 69,057
Posted By Walter Atkinson
A big advantage to the turbo is the ability to...

A big advantage to the turbo is the ability to run it at very high power settings LOP with cool CHTs and low ICPs. In these scenarios, the engines last a long time and are quite efficient in fuel...
Forum: Messages 02-28-11, 07:10 PM
Replies: 13
Views: 29,542
Posted By Walter Atkinson
Congratulations on your new monitor. Engine...

Congratulations on your new monitor.

Engine monitors are so valuable that I consider them a "Go--No-go" item for an IMC flight and I would prefer not to fly VMC without them.

The challenge is to...
Forum: Messages 02-14-11, 09:07 PM
Replies: 13
Views: 29,542
Posted By Walter Atkinson
Yes, and the FF should be adequate on that engine...

Yes, and the FF should be adequate on that engine to result in EGT readings of about 1300dF during a sea level, full power takeoff. That will require that the FF be adjusted a little above the red...
Forum: Messages 02-09-11, 08:49 PM
Replies: 54
Views: 171,360
Posted By Walter Atkinson
Karl: I am not at all impressed with TCM's FADEC...

Karl:

I am not at all impressed with TCM's FADEC as it currently exists. There are some show-stoppper problems with it and it has been a dismal failure in the market place so far. I only know of...
Forum: Messages 02-08-11, 01:53 PM
Replies: 13
Views: 29,542
Posted By Walter Atkinson
What is "too lean?" The only mixture that is...

What is "too lean?"

The only mixture that is "too lean" is one that will not burn--that's WAY LOP--and called Idle Cutoff.

If one is "not rich enough" on the rich side of peak EGT, the CHTs and...
Forum: Messages 02-08-11, 11:03 AM
Replies: 54
Views: 171,360
Posted By Walter Atkinson
Karl: I have been a big fan of JPI's hardware...

Karl:

I have been a big fan of JPI's hardware and have sold many, many units for them and recommended them for more than 15 years. They build very good hardware.

With disclosure, I was deeply...
Forum: Messages 02-07-11, 11:11 AM
Replies: 54
Views: 171,360
Posted By Walter Atkinson
Karl: IMO, there is no comparison. I have flown...

Karl:

IMO, there is no comparison. I have flown behind both and find the Ultra system the best on the market, by far. It is much easier to read and has a much better pilot user interface. I...
Forum: Messages 09-26-05, 02:02 PM
Replies: 46
Views: 165,372
Posted By Walter Atkinson
Mark: Intercoolers and their effects are often...

Mark:

Intercoolers and their effects are often misunderstood. They are VERY good things to have on a turbocharged engine because they widen the detonation margin. That is their major effect and it...
Forum: Messages 09-25-05, 06:35 PM
Replies: 46
Views: 165,372
Posted By Walter Atkinson
Ernie: Thank you for your post. If the position...

Ernie:

Thank you for your post.

If the position of the forum has changed concerning personal atacks, let me say that it is for the best. Maybe a few slip through as in the one two mesages above. ...
Forum: Messages 09-25-05, 02:59 PM
Replies: 46
Views: 165,372
Posted By Walter Atkinson
Based on your personal attack, nothing has...

Based on your personal attack, nothing has changed here.

Have a nice day.
Forum: Messages 09-25-05, 11:24 AM
Replies: 46
Views: 165,372
Posted By Walter Atkinson
Mark: **I understand some have reservations...

Mark:

**I understand some have reservations about running the fuel pumps for extended periods and I can understand that. **

The boost pumps are designed to run for extended periods without...
Forum: Messages 09-22-05, 03:01 PM
Replies: 46
Views: 165,372
Posted By Walter Atkinson
Ben: If you wish to contact me directly, I think...

Ben:

If you wish to contact me directly, I think I can help you with your problem.
Forum: Messages 07-12-05, 08:49 AM
Replies: 46
Views: 165,372
Posted By Walter Atkinson
The improved baffle design reduced the...

The improved baffle design reduced the temperature of the fuel pump 21 degrees. That was enough to stop the vapor locking on a 100+ degree day. We hope to do even better.

It's all in the...
Forum: Messages 07-08-05, 08:00 PM
Replies: 46
Views: 165,372
Posted By Walter Atkinson
Well, SkyKing, my boy. We got the flight data...

Well, SkyKing, my boy. We got the flight data today at about 4:30pm central time on the temp of the fuel pump.

You're wrong.

One thing I'll say for you is that you may not always be right, but...
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