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Search: Posts Made By: Ernie Martin
Forum: Messages 05-10-11, 12:03 AM
Replies: 1
Views: 24,108
Posted By Ernie Martin
Is Northrop's new plane-drone partly based on the Skymaster?

The rear of Northrop Grumman's new airplane/drone, designed by Burt Rutan, looks a lot like a Skymaster: rear propeller engine with top-mounted scoop, twin booms and rudders. Take a look below (click...
Forum: Messages 05-09-11, 12:31 AM
Replies: 17
Views: 77,738
Posted By Ernie Martin
For a different reason, I couldn't agree more...

For a different reason, I couldn't agree more with Roger.

I have an MS in engineering from Caltech, spent 30 years in the aerospace industry and have consulted for both GE and the FAA. And one thing...
Forum: Messages 05-05-11, 09:37 PM
Replies: 16
Views: 48,673
Posted By Ernie Martin
From my perspective, I wanted to add one item and...

From my perspective, I wanted to add one item and subtract one from Herb's comments.

ADDITION: This may be more an amplification than an addition: the gear is NOT a problem on 337s. As long as you...
Forum: Messages 05-01-11, 10:47 PM
Replies: 16
Views: 48,673
Posted By Ernie Martin
I've flown my normally aspirated 337 into Garden...

I've flown my normally aspirated 337 into Garden Valley (U88) and found it with good grass, no loose gravel. My son (who was posted there when he was a Heli-attack forest firefighter) still has...
Forum: Messages 04-28-11, 05:19 PM
Replies: 8
Views: 30,625
Posted By Ernie Martin
Some (most?) of the alternators are Ford units...

Some (most?) of the alternators are Ford units used in other non-aircraft applications. I know of someone who simply takes it to the local automotive generator/starter shop and has it rebuilt for a...
Forum: Messages 04-26-11, 09:37 PM
Replies: 7
Views: 26,543
Posted By Ernie Martin
I should note that Lynn came from Guatemala to...

I should note that Lynn came from Guatemala to join us for the 2004 Skymaster Meeting and Fly-In held at Oklahoma City in 2004 (with a side trip to Ada, Oklahoma to learn about flying Lean-of-Peak...
Forum: Messages 04-22-11, 12:05 PM
Replies: 30
Views: 70,940
Posted By Ernie Martin
No, there is no data on any fire in the...

No, there is no data on any fire in the rear-engine compartment of a Skymaster. My research was generally about in-flight fires in GA aircraft, with two noteworthy findings: how little time between...
Forum: Messages 04-14-11, 12:01 PM
Replies: 30
Views: 70,940
Posted By Ernie Martin
In-Flight Fire – Maybe in the Rear Engine You Can’t See

A recent development led me to look into in-flight fires, with initial emphasis on one originating in the rear engine compartment.

I know it’s a scary subject and highly unlikely to occur, but I...
Forum: Messages 03-12-11, 06:34 PM
Replies: 7
Views: 26,543
Posted By Ernie Martin
As Roger points out, it's NOT a good plan. A...

As Roger points out, it's NOT a good plan.

A friend of mine delivers GA airplanes to South America. He believes that flight planning and the margins that are prudently required are radically...
Forum: Messages 03-12-11, 12:13 PM
Replies: 7
Views: 26,543
Posted By Ernie Martin
Because I have flown two different Skymasters...

Because I have flown two different Skymasters from Miami to Boise and extensively over water routes, including a trip from St. Thomas (Virgin Islands) to Miami, I have given considerable thought to...
Forum: Messages 02-27-11, 08:27 PM
Replies: 9
Views: 39,440
Posted By Ernie Martin
One point you will find about the SIDs in the...

One point you will find about the SIDs in the reference provided by Herb is that, absent extraordinary circumstances, they will not apply to aircraft on Part 91 operations.

This is clearly spelled...
Forum: Messages 02-24-11, 01:11 PM
Replies: 1
Views: 17,006
Posted By Ernie Martin
Under the left wing there is a lever that looks...

Under the left wing there is a lever that looks like the lever from a stall warning switch. It is the Hobbs switch, turning it on when the speed is above ~ 40 MPH. The lever or the switch sometimes...
Forum: Messages 02-08-11, 12:04 PM
Replies: 8
Views: 28,640
Posted By Ernie Martin
Roger: I looked today at the airplane and in my...

Roger:

I looked today at the airplane and in my 337G the adjustment was to cut the lever to the proper size and then glue/solder near the cut end a dime-size disk we made from aluminum.

If you need...
Forum: Messages 02-07-11, 10:55 AM
Replies: 8
Views: 28,640
Posted By Ernie Martin
Mine failed on my 337G and I replaced it with a...

Mine failed on my 337G and I replaced it with a HONEYWELL S&C - 311SM703-T - MICRO SWITCH, which can be bought for under $7...
Forum: Messages 02-03-11, 12:30 AM
Replies: 3
Views: 16,193
Posted By Ernie Martin
Try Don Nieser at Commodore -- 405-503-4686 or...

Try Don Nieser at Commodore -- 405-503-4686 or 722-4079 (nieser.02.337parts@juno.com) and Preferred Airparts -- 800-433-0814 (www.preferredairparts.com).

Ernie
Forum: Messages 01-28-11, 05:21 PM
Replies: 46
Views: 198,866
Posted By Ernie Martin
Hello, Jerry, good to hear from you again. As...

Hello, Jerry, good to hear from you again.

As one of the Webmasters for this page, I would like to say that Aviation Enterprises' absence from our list of web sites has less to do with the quality...
Forum: Messages 01-07-11, 11:17 AM
Replies: 2
Views: 34,117
Posted By Ernie Martin
Another one failed!

Within days of one failing, another of the latches has failed (the spring disintegrates). So I've ordered 2 more of the KM610-32 from B&B (913-884-5930). I mention it because if yours is near the age...
Forum: Messages 12-27-10, 08:00 PM
Replies: 2
Views: 34,117
Posted By Ernie Martin
$94 part for $10? New?

Let me digress for a moment before I tell you about the new $94 part I bought for $10.

With the economy the way it is and fuel prices headed up, holding on to our beloved aircraft is going to be...
Forum: Messages 12-19-10, 12:01 AM
Replies: 6
Views: 30,149
Posted By Ernie Martin
Let me first note two facts: the Rocket web pages...

Let me first note two facts: the Rocket web pages date to 2007 and the photo "gallery" has pictures of a single aircraft.

I've owned 2 Skymasters over the past 10 years, participated in many of the...
Forum: Messages 12-17-10, 11:35 AM
Replies: 11
Views: 30,233
Posted By Ernie Martin
Those of us with NO insurance means exactly that:...

Those of us with NO insurance means exactly that: none. To the best of my knowledge, there is no requirement in the US that you carry liability or any other insurance (liability is required in...
Forum: Messages 12-17-10, 10:41 AM
Replies: 13
Views: 31,917
Posted By Ernie Martin
I agree that you do have to get the EGT gauge...

I agree that you do have to get the EGT gauge fixed to properly lean per the POH, but if you are coming close to leaning both engines per the POH* , my main concern is that the 3 gallon per hour...
Forum: Messages 12-14-10, 11:22 PM
Replies: 8
Views: 28,836
Posted By Ernie Martin
Sorry, I missed that question. But, no, the...

Sorry, I missed that question. But, no, the selectors were not turned to OFF after the previous flight. I checked that, and I also checked that there was fuel in the tank by cross-feeding the other...
Forum: Messages 12-13-10, 09:37 AM
Replies: 8
Views: 28,836
Posted By Ernie Martin
Yes. No one asked, but I mentioned it in my...

Yes. No one asked, but I mentioned it in my report, that I had cross-fed, but it still didn't pump.

Ernie
Forum: Messages 12-12-10, 06:00 PM
Replies: 8
Views: 28,836
Posted By Ernie Martin
Thanks to both. I think you're right. Ernie

Thanks to both. I think you're right.

Ernie
Forum: Messages 12-11-10, 12:02 PM
Replies: 8
Views: 28,836
Posted By Ernie Martin
Auxiliary Fuel Pump Mystery

Short Version
Has anyone heard of an auxiliary fuel pump sounding exactly as usual but not pumping fuel? Could a defect in the mechanical fuel pump or steep turns in the prior flight inhibit the...
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