Today's Message Index:
----------------------
1. 11:24 AM - Removal of Main Gear Doors (Barry Collman)
2. 11:41 AM - Re: Removal of Main Gear Doors (Barry Collman)
3. 02:54 PM - Re: Removal of Main Gear Doors (Deneal Schilmeister (MacbookPro))
4. 03:41 PM - Re: Removal of Main Gear Doors (Jack B. Mills)
5. 09:59 PM - Re: Removal of Main Gear Doors (Stan)
Message 1
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| Subject: | Removal of Main Gear Doors |
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
Message 2
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| Subject: | Removal of Main Gear Doors |
Hello All,
Just thought of another question here!
For those Turbo Commanders that retain these doors, do they remain in the
down position when the gear is down?
I think not, as most photos taken before 1992 show them in the retracted, or
up, position.
Best Regards,
Barry
-----Original Message-----
From: owner-commander-list-server@matronics.com
[mailto:owner-commander-list-server@matronics.com] On Behalf Of Barry
Collman
Sent: 09 January 2011 19:20
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
Message 3
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| Subject: | Re: Removal of Main Gear Doors |
If I recall correctly, the close close after the gear is extended. One of
the preflight items is to manually (with one's hands) to force open one set
(I forget which side) to check the pressure gauge.
--
Deneal Schilmeister
On 1/9/11 1:37 PM, "Barry Collman" <barry.collman@air-britain.co.uk> wrote:
> For those Turbo Commanders that retain these doors, do they remain in the
> down position when the gear is down?
Message 4
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| Subject: | Re: Removal of Main Gear Doors |
Barry,
They close when the gear is down, however, a lot of the ones that I see
around seem to sag a bit.
Moe
N680RR
--------------------------------------------------
From: "Barry Collman" <barry.collman@air-britain.co.uk>
Sent: Sunday, January 09, 2011 11:37 AM
Subject: RE: Commander-List: Removal of Main Gear Doors
> <barry.collman@air-britain.co.uk>
>
> Hello All,
>
> Just thought of another question here!
> For those Turbo Commanders that retain these doors, do they remain in the
> down position when the gear is down?
> I think not, as most photos taken before 1992 show them in the retracted,
> or
> up, position.
>
> Best Regards,
> Barry
>
> -----Original Message-----
> From: owner-commander-list-server@matronics.com
> [mailto:owner-commander-list-server@matronics.com] On Behalf Of Barry
> Collman
> Sent: 09 January 2011 19:20
> To: commander-list@matronics.com
> 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
>
>
>
Message 5
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| Subject: | 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
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