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1. 06:25 AM - Re: Removal of Main Gear Doors (Barry Collman)
2. 09:50 AM - Re: Removal of Main Gear Doors (Nick Martin)
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Subject: | Removal of Main Gear Doors |
Thanks Bill!
From: owner-commander-list-server@matronics.com
[mailto:owner-commander-list-server@matronics.com] On Behalf Of
BillLeff1@aol.com
Sent: 14 January 2011 04:47
Subject: Re: Commander-List: Removal of Main Gear Doors
Try Eagle Creek, I think it is their STC. Personally I think it is a bad
idea to remove the doors. It slows the aircraft (nearly 10 knots), it is
noisier in the cabin, it allows a lot of exhaust residue to collect in the
wheel well. I have never found, in my 39 years of flying Turbo Commanders,
that the maintenance is that be of a deal. A properly maintained aircraft
will never have a problem.
It has always amazed me that people will spend $60K+ to install props that
will increase the speed 10 knots and then spend money to slow the aircraft
down by taking the gear doors off!!!!
Makes no sense to me.
About Harry, I will miss him, he was a friend of many years and he like I
loved the old ones. Have a smooth trip west Harry.
Bill Leff
In a message dated 1/10/2011 11:12:05 A.M. Eastern Standard Time,
barry.collman@air-britain.co.uk writes:
<barry.collman@air-britain.co.uk>
Hi Stan,
Grateful thanks, and also to Deneal & Moe.
Very Best Regards,
Barry
-----Original Message-----
From: owner-commander-list-server@matronics.com
[mailto:owner-commander-list-server@matronics.com] On Behalf Of Stan
Sent: 10 January 2011 05:56
Subject: RE: Commander-List: Removal of Main Gear Doors
Hi Barry,
I know this isn't an answer to either of your questions, but I've done some
investigating into these clamshell doors, and here's what I've found out,
thanks to Morris:
The advantage to having the clamshell doors is about a 5 knot gain in cruise
speed. The disadvantage is that the increased complexity of the sequencing
to open and close the clamshells at just the right time increases gear
operating times from the six-second range to about 20 seconds. There's also
more chance of something not sequencing correctly, the doors being out of
adjustment, etc.
All things considered, I'd rather *not* have them.
More to your original question: I found an ad for a 690B for sale, and it
listed several STCs that had been done (including the clamshell door
removal, which it identified as SA8214SW). I found only one of the four STCs
on the FAA that was both present and correct: the one for replacement of the
exhaust ejectors. So you may have the right info, and it's just the FAA
database that's a problem.
Regards,
Stan
-----Original Message-----
From: owner-commander-list-server@matronics.com
[mailto:owner-commander-list-server@matronics.com] On Behalf Of Barry
Collman
Sent: Sunday, January 09, 2011 11:20 AM
Subject: Commander-List: Removal of Main Gear Doors
--> <barry.collman@air-britain.co.uk>
Hello All,
Does anybody know the STC No. that allows the removal of the main gear aft
wheel well doors on Turbo Commanders?
My database reflects that 690B s/n 11522 was used as N691WM for obtaining
the STC in February 1992 and the STC subsequently issued was No. SA8214SW.
However, a suitable search of the FAA's website for STC's fails to find
this.
Also, does anybody know the weight saving that results?
Best Regards,
Barry
se the ies ay - MATRONICS WEB FORUMS - List
Contribution Web Site p;
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Subject: | Removal of Main Gear Doors |
I agree with Bill ..The gear doors are not a problem as long as you keep
the actuators clean (wiped down on every preflight)..Nick ,N674NM
_____
From: owner-commander-list-server@matronics.com
[mailto:owner-commander-list-server@matronics.com] On Behalf Of
BillLeff1@aol.com
Sent: Thursday, January 13, 2011 8:47 PM
Subject: Re: Commander-List: Removal of Main Gear Doors
Try Eagle Creek, I think it is their STC. Personally I think it is a bad
idea to remove the doors. It slows the aircraft (nearly 10 knots), it is
noisier in the cabin, it allows a lot of exhaust residue to collect in the
wheel well. I have never found, in my 39 years of flying Turbo Commanders,
that the maintenance is that be of a deal. A properly maintained aircraft
will never have a problem.
It has always amazed me that people will spend $60K+ to install props that
will increase the speed 10 knots and then spend money to slow the aircraft
down by taking the gear doors off!!!!
Makes no sense to me.
About Harry, I will miss him, he was a friend of many years and he like I
loved the old ones. Have a smooth trip west Harry.
Bill Leff
In a message dated 1/10/2011 11:12:05 A.M. Eastern Standard Time,
barry.collman@air-britain.co.uk writes:
<barry.collman@air-britain.co.uk>
Hi Stan,
Grateful thanks, and also to Deneal & Moe.
Very Best Regards,
Barry
-----Original Message-----
From: owner-commander-list-server@matronics.com
[mailto:owner-commander-list-server@matronics.com] On Behalf Of Stan
Sent: 10 January 2011 05:56
Subject: RE: Commander-List: Removal of Main Gear Doors
Hi Barry,
I know this isn't an answer to either of your questions, but I've done some
investigating into these clamshell doors, and here's what I've found out,
thanks to Morris:
The advantage to having the clamshell doors is about a 5 knot gain in cruise
speed. The disadvantage is that the increased complexity of the sequencing
to open and close the clamshells at just the right time increases gear
operating times from the six-second range to about 20 seconds. There's also
more chance of something not sequencing correctly, the doors being out of
adjustment, etc.
All things considered, I'd rather *not* have them.
More to your original question: I found an ad for a 690B for sale, and it
listed several STCs that had been done (including the clamshell door
removal, which it identified as SA8214SW). I found only one of the four STCs
on the FAA that was both present and correct: the one for replacement of the
exhaust ejectors. So you may have the right info, and it's just the FAA
database that's a problem.
Regards,
Stan
-----Original Message-----
From: owner-commander-list-server@matronics.com
[mailto:owner-commander-list-server@matronics.com] On Behalf Of Barry
Collman
Sent: Sunday, January 09, 2011 11:20 AM
Subject: Commander-List: Removal of Main Gear Doors
--> <barry.collman@air-britain.co.uk>
Hello All,
Does anybody know the STC No. that allows the removal of the main gear aft
wheel well doors on Turbo Commanders?
My database reflects that 690B s/n 11522 was used as N691WM for obtaining
the STC in February 1992 and the STC subsequently issued was No. SA8214SW.
However, a suitable search of the FAA's website for STC's fails to find
this.
Also, does anybody know the weight saving that results?
Best Regards,
Barry
se the ies ay - MATRONICS WEB FORUMS - List
Contribution Web Site p;
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