Today's Message Index:
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1. 02:47 AM - Re: Weight & Balance Spreadsheet (Matt Dralle) (glen matejcek)
2. 03:40 AM - Re: Weight & Balance Spreadsheet (Dale Ellis)
3. 05:00 AM - Re: Re: Weight & Balance Spreadsheet (Matt Dralle) (Tom Wright)
4. 07:30 AM - Re: Weight & Balance Spreadsheet (RV6 Flyer)
5. 01:57 PM - Anybody need an "Extra Hand" in building their RV ?? (Garey Wittich)
Message 1
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| Subject: | RE: Weight & Balance Spreadsheet (Matt Dralle) |
Thanks for sharing, Matt.
glen matejcek
aerobubba@earthlink.net
Message 2
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| Subject: | Re: Weight & Balance Spreadsheet |
Why re-weight it? If you know the weight of the oil and the arm of
the oil sump, just do the math. IMHO.
Dale
On Fri, Apr 9, 2010 at 8:20 PM, Matt Dralle <dralle@matronics.com> wrote:
>
>
> Dear Listers,
>
> I finally weighted the 'ol RV-8 last night. Gulp. As expected, pretty heavy.
I did forget to fill it up with oil before I weighed, however, so I'll have to
redo my weighing after I do that.
>
> In the meantime, I created a spreadsheet to calculate the Weight & Balance. The
sheet calculates a number of common scenarios and allows for the user-entering
of various parameters such as pilot weight and plane weights as well as the
various arms. Its setup for an RV-8, but could very easily be modified for other
models of RVs. After I finished it, I thought other builders might like to
use it as well. It comes with no guarantees whatsoever.
>
> You can click on the link below to download either the PDF or the Excel spreadsheet:
>
> PDF Format:
>
> http://www.matronics.com/MattsRV8/WeightAndBalance/RV-8WeightAndBalance-Version1.0-MattDralle.pdf
>
>
> Excel Format:
>
> http://www.matronics.com/MattsRV8/WeightAndBalance/RV-8WeightAndBalance-Version1.0-MattDralle.xls
>
>
> Matt Dralle
> RV-8 #82880 N998RV
> http://www.mattsrv8.com - Matt's RV-8 Construction Blog
>
>
Message 3
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| Subject: | Re: RE: Weight & Balance Spreadsheet (Matt Dralle) |
Very nice. Thanks.
Tom Wright
On Sat, Apr 10, 2010 at 5:45 AM, glen matejcek <aerobubba@earthlink.net>wrote:
>
> Thanks for sharing, Matt.
>
>
> glen matejcek
> aerobubba@earthlink.net
>
>
Message 4
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| Subject: | Weight & Balance Spreadsheet |
Matt:
Great spreadsheet for your use and education. Excellent use of "Conditiona
l Formatting".
Be advised that the FAA only needs to see the following:
Empty Weight calculations.
Gross Weight CG Calculations.
Most Forward CG Calculations.
Most Aft CG Calculations.
First Flight CG Calculations.
All the above must be at or within CG limits. DO NOT show the FAA any calc
ulations that are OUTSIDE limits. As the builder=2C you set the gross weig
ht but it is advisable to follow the designers numbers. IF you end up with
a gross weight that is greater than what the designer set=2C know that you
are operating outside the design envelope.
As you already know=2C you must carry a copy of the weight and balance in t
he aircraft and make it available for any ASI that asks to see it. If you
use the WORST CASE loading for the above conditions=2C you have a "Go - No
Go" bracket for any flight. Yes it is still good to know EXACTLY the loadin
g but for a "Ramp Check"=2C the above minimum is all the FAA needs to see t
o verify that you are operating safely. The above will also print out neat
ly on one piece of paper if you use both sides.
I would like to advise that you only give the FAA exactly what they need.
Giving more than is needed could open you up for a lot of extra questions f
rom the inspector.
Gary A. Sobek
"My Sanity" RV-6 N157GS O-320 Hartzell=2C
2=2C346+ Flying Hours So. CA=2C USA
> Date: Fri=2C 9 Apr 2010 17:20:07 -0700
> To: rv-list@matronics.com=3B rv8-list@matronics.com=3B rv7-list@matronics
.com=3B rv10-list@matronics.com
> From: dralle@matronics.com
> Subject: RV-List: Weight & Balance Spreadsheet
>
>
>
> Dear Listers=2C
>
> I finally weighted the 'ol RV-8 last night. Gulp. As expected=2C pretty
heavy. I did forget to fill it up with oil before I weighed=2C however=2C
so I'll have to redo my weighing after I do that.
>
> In the meantime=2C I created a spreadsheet to calculate the Weight & Bala
nce. The sheet calculates a number of common scenarios and allows for the
user-entering of various parameters such as pilot weight and plane weights
as well as the various arms. Its setup for an RV-8=2C but could very easil
y be modified for other models of RVs. After I finished it=2C I thought ot
her builders might like to use it as well. It comes with no guarantees wha
tsoever.
>
> You can click on the link below to download either the PDF or the Excel s
preadsheet:
>
> PDF Format:
>
> http://www.matronics.com/MattsRV8/WeightAndBalance/RV-8WeightAndBalance-V
ersion1.0-MattDralle.pdf
>
>
> Excel Format:
>
> http://www.matronics.com/MattsRV8/WeightAndBalance/RV-8WeightAndBalance-V
ersion1.0-MattDralle.xls
>
>
>
> Matt Dralle
> RV-8 #82880 N998RV
> http://www.mattsrv8.com - Matt's RV-8 Construction Blog
>
>
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Message 5
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| Subject: | Anybody need an "Extra Hand" in building their RV ?? |
Greetings:
I have time to help someone on their Project. I have completed building the RV-8A
empennage ( Acid etched, Alodined and Mil Epoxy Primed the interior skins
and assembled) and have run out of room to continue building. Have tools to help
someone on their Project. I am a retired electrical engineer and have designed
my own Electrical System for the RV. Also designed an "Pilot Aux Warning
System" that monitors Vans analog engine gauges and provides a Warning for -
"Low Fuel", "Hi Oil Temp", "Low Voltage", etc Spent many ours researching the
best way to do things on Matronics from other Builders. Hoped to use this info
on my Project, but ran out of room to build, thus hoping to share ideas and
help someone on their "Project".
Garey Wittich (CFI, MEI)
Santa Monica, CA
(310) 392-1682
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