Today's Message Index:
----------------------
1. 08:38 AM - Re: Baggage station for W&B (Owen Baker)
2. 11:21 AM - Re: Re: Baggage station for W&B (pastormac@comcast.net)
3. 07:10 PM - Matronics Internet Connectivity Upgrades April 17-18 2017 (Matt Dralle)
Message 1
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Subject: | Re: Baggage station for W&B |
4/15/2017
Hello Steve, Sorry for the slow response -- a few alligators crawled out of
the swamp and had to be beat back down.
You wrote: "The builder of my plane, Richard Kindig had the baggage station
at 91 in."
It does not appear logical to me that the center of the baggage compartment
weight would be located in front of the wing aft spar location.
If your tri cycle landing gear plane was built according to the construction
manual the baggage compartment exists from the aft face of the aft wing spar
at station 92.8 inches to the aft baggage compartment bulkhead at station
111.0 inches. That is a distance of 18.2 inches.
If you assume that the weight of the items in the baggage compartment are
distributed evenly fore and aft then the center of the weight in the baggage
compartment is going to be 9.1 inches aft of the aft face of the aft wing
spar or at station 101.9 inches.
My records show that I am using a measured 96 inches for my plane as the
centroid of the baggage weight location. Considering that the actual weight
center of what is located in the baggage compartment is reestablished every
time you reload the baggage compartment I don't think that one can determine
precisely where the weight center is located down to the exact inch.
I'd go with the 96 inches. Any questions or comments?
OC
PS: While at the airport yesterday I took some pictures of my empty left
baggage compartment -- see attached. Some comments:
0140.JPG: This photo is looking aft at the rear baggage compartment
bulkhead. The top of the seat back is in the forefront and yes, that is the
copilot's headset receptacles located behind the pilot's seat --why? So the
copilot can both see and reach his headset receptacles while strapped into
his seat. Similarly the pilot's headset receptacles are located behind the
copilot's seat. It took me many years of flying many different aircraft with
many different poorly placed headset receptacles to come up with this
preferred location.##
0143.JPG: This photo is looking forward at the aft wing spar at the bottom
of the fuselage interior and the seat back extending upward from the top of
the spar. Notice the items attached to the back of the aft wing spar that
would prevent baggage items from being placed directly against the spar.
##PS: Even when using my new Lightspeed Tango cordless headsets it is
convenient to have the Tango Panel Interface unit plugged in where it is
accessible.
http://www.lightspeedaviation.com/Tango/subgrouping.htm?cat=35717
=========================================
From: pastormac@comcast.net
Sent: Wednesday, April 12, 2017 4:47 PM
Subject: Baggage station for W&B
Hi Owen,
The builder of my plane, Richard Kindig had the baggage station at 91 in.
Everything I have seen has it at 96 in. Do you know if they are different on
each individual aircraft or should I go with the 96 in ?
Thanks!
Steve.
To our success, Stephen McIntosh
Message 2
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Subject: | Re: Baggage station for W&B |
Thanks Owen! Where do you live again? I'd enjoy meeting you and have you take
a look at my little bird.
To our success, Stephen McIntosh
> On Apr 15, 2017, at 11:36 AM, Owen Baker <bakerocb@cox.net> wrote:
>
> 4/15/2017
>
> Hello Steve, Sorry for the slow response -- a few alligators crawled out of the
swamp and had to be beat back down.
>
> You wrote: "The builder of my plane, Richard Kindig had the baggage station at
91 in."
>
> It does not appear logical to me that the center of the baggage compartment weight
would be located in front of the wing aft spar location.
>
> If your tri cycle landing gear plane was built according to the construction
manual the baggage compartment exists from the aft face of the aft wing spar at
station 92.8 inches to the aft baggage compartment bulkhead at station 111.0
inches. That is a distance of 18.2 inches.
>
> If you assume that the weight of the items in the baggage compartment are distributed
evenly fore and aft then the center of the weight in the baggage compartment
is going to be 9.1 inches aft of the aft face of the aft wing spar or
at station 101.9 inches.
>
> My records show that I am using a measured 96 inches for my plane as the centroid
of the baggage weight location. Considering that the actual weight center
of what is located in the baggage compartment is reestablished every time you
reload the baggage compartment I don't think that one can determine precisely
where the weight center is located down to the exact inch.
>
> I'd go with the 96 inches. Any questions or comments?
>
> OC
>
> PS: While at the airport yesterday I took some pictures of my empty left baggage
compartment -- see attached. Some comments:
>
> 0140.JPG: This photo is looking aft at the rear baggage compartment bulkhead.
The top of the seat back is in the forefront and yes, that is the copilot's headset
receptacles located behind the pilot's seat --why? So the copilot can both
see and reach his headset receptacles while strapped into his seat. Similarly
the pilot's headset receptacles are located behind the copilot's seat. It
took me many years of flying many different aircraft with many different poorly
placed headset receptacles to come up with this preferred location.##
>
> 0143.JPG: This photo is looking forward at the aft wing spar at the bottom of
the fuselage interior and the seat back extending upward from the top of the
spar. Notice the items attached to the back of the aft wing spar that would prevent
baggage items from being placed directly against the spar.
>
> ##PS: Even when using my new Lightspeed Tango cordless headsets it is convenient
to have the Tango Panel Interface unit plugged in where it is accessible.
>
> http://www.lightspeedaviation.com/Tango/subgrouping.htm?cat=35717
>
> =========================================
>
> From: pastormac@comcast.net
> Sent: Wednesday, April 12, 2017 4:47 PM
> To: Owen Baker
> Subject: Baggage station for W&B
>
> Hi Owen,
> The builder of my plane, Richard Kindig had the baggage station at 91 in. Everything
I have seen has it at 96 in. Do you know if they are different on each
individual aircraft or should I go with the 96 in ?
> Thanks!
> Steve.
>
> To our success, Stephen McIntosh
> <000_0140.JPG>
> <000_0143.JPG>
Message 3
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Subject: | Matronics Internet Connectivity Upgrades April 17-18 2017 |
Dear Matronics Email List an/or Forum User,
The Matronics Internet connectivity will be upgraded on April 17 through April
18, 2017. During the upgrade connections to the Matronics and AeroElectric web
servers may be unavailable. Additionally, Matronics Email List email will not
be redistributed.
Internet Connectivity bandwidth will be significantly increased by a factor of
7X for downloads and 50X for uploads, which represents a significant increase
in performance. Reliability should also increase in terms.
I will send out a follow up message when the upgrade has been completed.
Best Regards,
Matt Dralle
Matronics Email List and Forum Admin.
Matt G Dralle | Matronics | 581 Jeannie Way | Livermore | CA | 94550
925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email
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