Today's Message Index:
----------------------
1. 12:59 AM - Re: weights and balances- battery (Keith.Miller@esa.int)
2. 02:45 AM - Re: weights and balances- battery (Flyinisfun@aol.com)
3. 04:12 AM - SV: weights and balances (Hans Christian Erstad)
4. 04:59 AM - Re: weights and balances- battery (Owen Baker)
5. 05:31 AM - Re: weights and balances (William Schertz)
6. 05:40 AM - Re: weights and balances (F. Tim Yoder)
7. 05:47 AM - Re: weights and balances- battery (Keith.Miller@esa.int)
8. 09:56 AM - SV: weights and balances (Hans Christian Erstad)
9. 02:37 PM - Re: weights and balances- battery (Robert Reed)
10. 07:22 PM - Re: weights and balances- battery (Galin Hernandez)
11. 09:30 PM - Re: (Keith Baertlein)
Message 1
INDEX | Back to Main INDEX |
NEXT | Skip to NEXT Message |
LIST | Reply to LIST Regarding this Message |
SENDER | Reply to SENDER Regarding this Message |
|
Subject: | Re: weights and balances- battery |
Jesse
My 10 year old Concorde battery ( CB35) finally gave up last winter and I
replaced it with an Aerovoltz Lithium Iron phosphate battery weighing just
3Lbs, So far It has spun up the engine without any problems , but only time
can tell if its as reliable as my old lead acid , this solution moved my Cof
G forward without any need to rewire or move hardware.
Keith
|------------>
| From: |
|------------>
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|Flyinisfun@aol.com
|
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|------------>
| To: |
|------------>
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|kis-list@matronics.com
|
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|------------>
| Date: |
|------------>
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|16/07/2012 03:58
|
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|------------>
| Subject: |
|------------>
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|KIS-List: weights and balances
|
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|------------>
| Sent by: |
|------------>
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|owner-kis-list-server@matronics.com
|
>------------------------------------------------------------------------------------------------------------------------------------------------------|
I am re-weighing my two place KIS -1 after moving the batteries forward by 30
inches. I feel I have been too near the rear CG and wanted more room at the
rear. I would like to compare with you guys the following.
1. What are your empty weights and CG numbers?
2. Do you figure gross weight by using 170 lbs. per occupant or do you use
the actual weight of the occupant?
3. How much gas are you leaving home with two 200 lb. bodies aboard and no
luggage?
Jesse Wright
This message and any attachments are intended for the use of the addressee or addressees
only. The unauthorised disclosure, use, dissemination or copying (either
in whole or in part) of its content is not permitted. If you received this
message in error, please notify the sender and delete it from your system. Emails
can be altered and their integrity cannot be guaranteed by the sender.
Please consider the environment before printing this email.
Message 2
INDEX | Back to Main INDEX |
PREVIOUS | Skip to PREVIOUS Message |
NEXT | Skip to NEXT Message |
LIST | Reply to LIST Regarding this Message |
SENDER | Reply to SENDER Regarding this Message |
|
Subject: | Re: weights and balances- battery |
Thanks for all the input on my C of C issue. Here is my situation. When
I built the plane Rich suggested I move the tail rearward to the end of the
fuselage shell since I was using the Lyc.150 hp engine. That was about 1
1/2 inches. I am running one impulse starting mag and one electronic
system which accounts for using two batteries. I put in a pair of high tech
motorcycle batteries weighing about 1.5 lbs each. They were mounted just rear
of the baggage bulkhead at about 120" station. I have just finished
moving them forward to about station 90" which is just rear of the back of the
seat. According to my calculations in Cad that amounted to moving about
1/2" forward in the envelope. I am now ahead of the rear C of C about that
1/2". I have not done the actual weight and balance yet so will find out in
the next couple of days if my calculations are correct. I have 40 hrs. on
the plane but have not done full stalls as things get too mushy before
that. I am crossing the fence at about 110 mph indicated and touching down
about 75.
Question: By moving the tail rearward did that move my effective envelope
from the stated position? Am I playing in no man's land?
Jesse
In a message dated 7/16/2012 1:59:33 A.M. Mountain Daylight Time,
Keith.Miller@esa.int writes:
--> KIS-List message posted by: Keith.Miller@esa.int
Jesse
My 10 year old Concorde battery ( CB35) finally gave up last winter and I
replaced it with an Aerovoltz Lithium Iron phosphate battery weighing just
3Lbs, So far It has spun up the engine without any problems , but only
time
can tell if its as reliable as my old lead acid , this solution moved my
Cof
G forward without any need to rewire or move hardware.
Keith
|------------>
| From: |
|------------>
>---------------------------------------------------------------------------
---------------------------------------------------------------------------|
|Flyinisfun@aol.com |
>---------------------------------------------------------------------------
---------------------------------------------------------------------------|
|------------>
| To: |
|------------>
>---------------------------------------------------------------------------
---------------------------------------------------------------------------|
|kis-list@matronics.com |
>---------------------------------------------------------------------------
---------------------------------------------------------------------------|
|------------>
| Date: |
|------------>
>---------------------------------------------------------------------------
---------------------------------------------------------------------------|
|16/07/2012 03:58 |
>---------------------------------------------------------------------------
---------------------------------------------------------------------------|
|------------>
| Subject: |
|------------>
>---------------------------------------------------------------------------
---------------------------------------------------------------------------|
|KIS-List: weights and balances |
>---------------------------------------------------------------------------
---------------------------------------------------------------------------|
|------------>
| Sent by: |
|------------>
>---------------------------------------------------------------------------
---------------------------------------------------------------------------|
|owner-kis-list-server@matronics.com |
>---------------------------------------------------------------------------
---------------------------------------------------------------------------|
I am re-weighing my two place KIS -1 after moving the batteries forward by
30
inches. I feel I have been too near the rear CG and wanted more room at
the
rear. I would like to compare with you guys the following.
1. What are your empty weights and CG numbers?
2. Do you figure gross weight by using 170 lbs. per occupant or do you use
the actual weight of the occupant?
3. How much gas are you leaving home with two 200 lb. bodies aboard and
no
luggage?
Jesse Wright
This message and any attachments are intended for the use of the addressee
or addressees only. The unauthorised disclosure, use, dissemination or
copying (either in whole or in part) of its content is not permitted. If you
received this message in error, please notify the sender and delete it from
your system. Emails can be altered and their integrity cannot be guaranteed
by the sender.
Please consider the environment before printing this email.
Message 3
INDEX | Back to Main INDEX |
PREVIOUS | Skip to PREVIOUS Message |
NEXT | Skip to NEXT Message |
LIST | Reply to LIST Regarding this Message |
SENDER | Reply to SENDER Regarding this Message |
|
Subject: | weights and balances |
Jesse
1. empty: 895 lbs empty C.G. STA 58.7
I weighed the aircraft before mounting the battery in order to calculate
the
optimum location. turned out the optimum location was too far aft to be
possible to mont. (or I should have selected a heavier battery - battery
is
Gill G25) Mounted the battery just ahead of STA 158, but had to add
anoter
8 lbs of weight at STA 158 to be able to get C.G within limits with a
165 lb
pilot and full of fuel.
2. I use the actual weight of the occupant
3. zero
Regards
Hans Christian. TR-1 #32, LN-KIS
_____
Fra: owner-kis-list-server@matronics.com
[mailto:owner-kis-list-server@matronics.com] P=E5 vegne av
Flyinisfun@aol.com
Sendt: 16. juli 2012 03:57
Til: kis-list@matronics.com
Emne: KIS-List: weights and balances
I am re-weighing my two place KIS -1 after moving the batteries forward
by
30 inches. I feel I have been too near the rear CG and wanted more room
at
the rear. I would like to compare with you guys the following.
1. What are your empty weights and CG numbers?
2. Do you figure gross weight by using 170 lbs. per occupant or do you
use
the actual weight of the occupant?
3. How much gas are you leaving home with two 200 lb. bodies aboard and
no
luggage?
Jesse Wright
Message 4
INDEX | Back to Main INDEX |
PREVIOUS | Skip to PREVIOUS Message |
NEXT | Skip to NEXT Message |
LIST | Reply to LIST Regarding this Message |
SENDER | Reply to SENDER Regarding this Message |
|
Subject: | Re: weights and balances- battery |
7/16/2012
Hello Keith, You wrote: "My 10 year old Concorde battery ( CB35) finally
gave up last winter........"
10 years old -- Wow, how did it "give up"? When a car battery finally
"gives up" the scenario is usually that one can not get the starter to crank
the engine. There is the usual inconvenience of getting a jump start, then
driving to a battery supply source, replacing the battery, and proceeding
on one's merry way. No great harm done.
When an airplane battery can no longer crank the engine that battery has
long since previously lost its capacity to supply electrical power to
operate any essential electrical devices in the airplane for any significant
period of time should the alternator fail. If inability to operate any
essential electrical devices for the period of time needed to get the
airplane safely on the ground is unacceptable then the pilot has a much more
serious problem than just getting a jump start.
In that "inability to operate" scenario, flying with a clapped out battery
(which can provide no electrical reserve) is analogous to flying with
essentially no fuel reserve and expecting to always being able to safely
land and taxi to a fuel source before the propeller stops cooling the
pilot -- not good.
So using successful engine cranking as the sole indicator of an airplane's
battery's health (reserve capacity) can be deleterious to the pilot's
health. What can one do to ensure that there is sufficient electrical
capacity remaining in the battery for
essential / endurance needs when just cranking the engine is not a good
indicator of battery actual capacity? There are two methods:
1) Use a battery capacity tester to determine the reserve capacity of the
battery. Here is just one example:
http://www.gillbatteries.com/capacitytesters.aspx
2) Just arbitrarily replace the airplane's battery at some periodic
interval -- say every two years?
Bob Nuckolls, our great electrical guru, has touched on this subject in his
postings on the Matronics aeroelectric-list many times. His thoughts on the
subject can be researched through the list archival search capacity.
http://www.matronics.com/Navigator/?AeroElectric-List
His Jun 09, 2005 posting on battery testing gives his philosophy on
preferring this second course of action.
OC
===============================================================================
From: Keith.Miller@esa.int
Sent: Monday, July 16, 2012 3:59 AM
Subject: Re: KIS-List: weights and balances- battery
Jesse
My 10 year old Concorde battery ( CB35) finally gave up last winter and I
replaced it with an Aerovoltz Lithium Iron phosphate battery weighing just
3Lbs, So far It has spun up the engine without any problems , but only time
can tell if its as reliable as my old lead acid , this solution moved my
Cof
G forward without any need to rewire or move hardware.
Keith
Message 5
INDEX | Back to Main INDEX |
PREVIOUS | Skip to PREVIOUS Message |
NEXT | Skip to NEXT Message |
LIST | Reply to LIST Regarding this Message |
SENDER | Reply to SENDER Regarding this Message |
|
Subject: | Re: weights and balances |
For theFAA you need a W&B using 170 lb, but for flying you need actual.
(30years since I've seen 170 lb)
bill Schertz
Sent from my iPad
On Jul 15, 2012, at 10:34 PM, "Owen Baker " <bakerocb@cox.net> wrote:
> 7/15/2012
>
> Hello Jesse, I think that the attached spread sheet on my KIS TR-1 will an
swer most of your questions copied below.
>
> I believe in using the actual weight of occupants, not 170 pounds.
>
> Where did you have your battery before and where did you move it to?
>
> What kind of battery are you using and what does it weigh?
>
> Thanks. Please let me know if you have any questions.
>
> OC
>
> PS: My PC 680 battery is mounted just forward of the aft bulkhead of the b
aggage compartment on the far right side of the compartment.
>
> =========================
================
>
>
> From: Flyinisfun@aol.com
> Sent: Sunday, July 15, 2012 9:57 PM
> To: kis-list@matronics.com
> Subject: KIS-List: weights and balances
>
> I am re-weighing my two place KIS -1 after moving the batteries forward by
30 inches. I feel I have been too near the rear CG and wanted more room at
the rear. I would like to compare with you guys the following.
>
> 1. What are your empty weights and CG numbers?
>
> 2. Do you figure gross weight by using 170 lbs. per occupant or do you us
e the actual weight of the occupant?
>
> 3. How much gas are you leaving home with two 200 lb. bodies aboard and n
o luggage?
>
> Jesse Wright
>
> <WT&BALKISCOMB6.xls>
Message 6
INDEX | Back to Main INDEX |
PREVIOUS | Skip to PREVIOUS Message |
NEXT | Skip to NEXT Message |
LIST | Reply to LIST Regarding this Message |
SENDER | Reply to SENDER Regarding this Message |
|
Subject: | Re: weights and balances |
Hans,
What engine do you have?
Thanks, Tim
----- Original Message -----
From: Hans Christian Erstad
To: kis-list@matronics.com
Sent: Monday, July 16, 2012 4:12 AM
Subject: SV: KIS-List: weights and balances
Jesse
1. empty: 895 lbs empty C.G. STA 58.7
I weighed the aircraft before mounting the battery in order to
calculate the optimum location. turned out the optimum location was too
far aft to be possible to mont. (or I should have selected a heavier
battery - battery is Gill G25) Mounted the battery just ahead of STA
158, but had to add anoter 8 lbs of weight at STA 158 to be able to get
C.G within limits with a 165 lb pilot and full of fuel.
2. I use the actual weight of the occupant
3. zero
Regards
Hans Christian. TR-1 #32, LN-KIS
-------------------------------------------------------------------------
-----
Fra: owner-kis-list-server@matronics.com
[mailto:owner-kis-list-server@matronics.com] P=E5 vegne av
Flyinisfun@aol.com
Sendt: 16. juli 2012 03:57
Til: kis-list@matronics.com
Emne: KIS-List: weights and balances
I am re-weighing my two place KIS -1 after moving the batteries
forward by 30 inches. I feel I have been too near the rear CG and
wanted more room at the rear. I would like to compare with you guys the
following.
1. What are your empty weights and CG numbers?
2. Do you figure gross weight by using 170 lbs. per occupant or do
you use the actual weight of the occupant?
3. How much gas are you leaving home with two 200 lb. bodies aboard
and no luggage?
Jesse Wright
href="http://www.matronics.com/Navigator?KIS-List">http://www.matronics
.com/Navigator?KIS-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
Message 7
INDEX | Back to Main INDEX |
PREVIOUS | Skip to PREVIOUS Message |
NEXT | Skip to NEXT Message |
LIST | Reply to LIST Regarding this Message |
SENDER | Reply to SENDER Regarding this Message |
|
Subject: | Re: weights and balances- battery |
OC
I hear what you say, and very sound advice ,
In my defence I only fly VFR and have two standard mags to keep the fan up
front going , but I agree I should have replaced my battery sooner,
But......... each time I would go to the hanger even after 3 or 4 weeks it
would crank the engine and start and the charging after 15 minutes would go
down close to zero ( as measured going into the battery). Last winter was
particularly cold ( minus 20) and one day it didnt start , recharged the
battery which was fine and a week later the same happened , So I knew that
the time had finally come to replace the battery .
At work we have a team of battery specialists who have done a lot of
research into Lithium Phosphate Iron , and their recommendation was to
replace with a 16 Cell battery , they claim that with correct conditioning
this should in theory last a long time , ( who knows if that is true, i will
let you know in 2022 )
Keith
|------------>
| From: |
|------------>
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|"Owen Baker " <bakerocb@cox.net>
|
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|------------>
| To: |
|------------>
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|<kis-list@matronics.com>, "MILLER KEITH" <Keith.Miller@esa.int>, <aeroelectric-list@matronics.com>
|
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|------------>
| Date: |
|------------>
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|16/07/2012 14:01
|
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|------------>
| Subject: |
|------------>
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|Re: KIS-List: weights and balances- battery
|
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|------------>
| Sent by: |
|------------>
>------------------------------------------------------------------------------------------------------------------------------------------------------|
|owner-kis-list-server@matronics.com
|
>------------------------------------------------------------------------------------------------------------------------------------------------------|
7/16/2012
Hello Keith, You wrote: "My 10 year old Concorde battery ( CB35) finally
gave up last winter........"
10 years old -- Wow, how did it "give up"? When a car battery finally
"gives up" the scenario is usually that one can not get the starter to crank
the engine. There is the usual inconvenience of getting a jump start, then
driving to a battery supply source, replacing the battery, and proceeding
on one's merry way. No great harm done.
When an airplane battery can no longer crank the engine that battery has
long since previously lost its capacity to supply electrical power to
operate any essential electrical devices in the airplane for any significant
period of time should the alternator fail. If inability to operate any
essential electrical devices for the period of time needed to get the
airplane safely on the ground is unacceptable then the pilot has a much more
serious problem than just getting a jump start.
In that "inability to operate" scenario, flying with a clapped out battery
(which can provide no electrical reserve) is analogous to flying with
essentially no fuel reserve and expecting to always being able to safely
land and taxi to a fuel source before the propeller stops cooling the
pilot -- not good.
So using successful engine cranking as the sole indicator of an airplane's
battery's health (reserve capacity) can be deleterious to the pilot's
health. What can one do to ensure that there is sufficient electrical
capacity remaining in the battery for
essential / endurance needs when just cranking the engine is not a good
indicator of battery actual capacity? There are two methods:
1) Use a battery capacity tester to determine the reserve capacity of the
battery. Here is just one example:
http://www.gillbatteries.com/capacitytesters.aspx
2) Just arbitrarily replace the airplane's battery at some periodic
interval -- say every two years?
Bob Nuckolls, our great electrical guru, has touched on this subject in his
postings on the Matronics aeroelectric-list many times. His thoughts on the
subject can be researched through the list archival search capacity.
http://www.matronics.com/Navigator/?AeroElectric-List
His Jun 09, 2005 posting on battery testing gives his philosophy on
preferring this second course of action.
OC
===============================================================================
From: Keith.Miller@esa.int
Sent: Monday, July 16, 2012 3:59 AM
Subject: Re: KIS-List: weights and balances- battery
Jesse
My 10 year old Concorde battery ( CB35) finally gave up last winter and I
replaced it with an Aerovoltz Lithium Iron phosphate battery weighing just
3Lbs, So far It has spun up the engine without any problems , but only time
can tell if its as reliable as my old lead acid , this solution moved my
Cof
G forward without any need to rewire or move hardware.
Keith
This message and any attachments are intended for the use of the addressee or addressees
only. The unauthorised disclosure, use, dissemination or copying (either
in whole or in part) of its content is not permitted. If you received this
message in error, please notify the sender and delete it from your system. Emails
can be altered and their integrity cannot be guaranteed by the sender.
Please consider the environment before printing this email.
Message 8
INDEX | Back to Main INDEX |
PREVIOUS | Skip to PREVIOUS Message |
NEXT | Skip to NEXT Message |
LIST | Reply to LIST Regarding this Message |
SENDER | Reply to SENDER Regarding this Message |
|
Subject: | weights and balances |
The continental IO-240-A with Prince wooden prop.
I got the engine mount from Tri-R, but there is good spacing between the
engine and firewal so it could have been shorter.
Hans Christian
_____
Fra: owner-kis-list-server@matronics.com
[mailto:owner-kis-list-server@matronics.com] P=E5 vegne av F. Tim Yoder
Sendt: 16. juli 2012 14:41
Til: kis-list@matronics.com
Emne: Re: KIS-List: weights and balances
Hans,
What engine do you have?
Thanks, Tim
----- Original Message -----
From: Hans <mailto:hans-chr.erstad@c2i.net> Christian Erstad
Sent: Monday, July 16, 2012 4:12 AM
Subject: SV: KIS-List: weights and balances
Jesse
1. empty: 895 lbs empty C.G. STA 58.7
I weighed the aircraft before mounting the battery in order to calculate
the
optimum location. turned out the optimum location was too far aft to be
possible to mont. (or I should have selected a heavier battery - battery
is
Gill G25) Mounted the battery just ahead of STA 158, but had to add
anoter
8 lbs of weight at STA 158 to be able to get C.G within limits with a
165 lb
pilot and full of fuel.
2. I use the actual weight of the occupant
3. zero
Regards
Hans Christian. TR-1 #32, LN-KIS
_____
Fra: owner-kis-list-server@matronics.com
[mailto:owner-kis-list-server@matronics.com] P=E5 vegne av
Flyinisfun@aol.com
Sendt: 16. juli 2012 03:57
Til: kis-list@matronics.com
Emne: KIS-List: weights and balances
I am re-weighing my two place KIS -1 after moving the batteries forward
by
30 inches. I feel I have been too near the rear CG and wanted more room
at
the rear. I would like to compare with you guys the following.
1. What are your empty weights and CG numbers?
2. Do you figure gross weight by using 170 lbs. per occupant or do you
use
the actual weight of the occupant?
3. How much gas are you leaving home with two 200 lb. bodies aboard and
no
luggage?
Jesse Wright
href="http://www.matronics.com/Navigator?KIS-List">http://www.matronhre
f="ht
tp://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
href="http://www.matronics.com/Navigator?KIS-List">http://www.matronics
.com/
Navigator?KIS-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
Message 9
INDEX | Back to Main INDEX |
PREVIOUS | Skip to PREVIOUS Message |
NEXT | Skip to NEXT Message |
LIST | Reply to LIST Regarding this Message |
SENDER | Reply to SENDER Regarding this Message |
|
Subject: | Re: weights and balances- battery |
Much depends on where the battery is located as well.- Most of my batteri
es seem =0Ato last for 3 - 4 years at the most since they are located in th
e engine =0Acompartment.- Had an Audi for over 10 years though and never
had a problem with =0Athe battery which was located under the rear seat.-
I have heard the same =0Astories on aircraft batteries when located on the
firewall vs located inside the =0Acabin area.=0A=0ABob=0A=0A=0A=0A=0A_____
___________________________=0AFrom: "Keith.Miller@esa.int" <Keith.Miller@es
a.int>=0ATo: kis-list@matronics.com=0ASent: Mon, July 16, 2012 7:47:28 AM
=0ASubject: Re: KIS-List: weights and balances- battery=0A=0A--> KIS-List m
essage posted by: Keith.Miller@esa.int=0A=0AOC=0A=0AI hear what you say, an
d very- sound advice ,=0A=0AIn my defence I only fly VFR and have two sta
ndard mags to keep the fan up=0Afront going , but I agree- I should- ha
ve replaced my battery sooner,=0A=0ABut......... each time I would go to th
e hanger even after 3 or 4 weeks it=0Awould crank- the engine and start a
nd the charging after 15 minutes would go=0Adown close to- zero ( as meas
ured going into the battery). Last winter was=0Aparticularly cold ( minus 2
0) and one day- it didnt start ,=CD recharged the=0Abattery which was fin
e and a week later the same happened , So I- knew that=0Athe time had fin
ally come to replace the battery .=0AAt work we have a team of battery spec
ialists- who have done a lot of=0Aresearch into Lithium Phosphate Iron-
, and their recommendation was- to=0Areplace- with a 16 Cell- batter
y , they claim that with correct conditioning=0Athis should in theory last
a long time , ( who knows- if that is true, i will=0Alet you know in 2022
)=0A=0AKeith=0A=0A=0A|------------>=0A| From:- - - |=0A|------------
>=0A- =0A>---------------------------------------------------------------
---------------------------------------------------------------------------
------------|=0A=0A- |"Owen Baker " <bakerocb@cox.net>- - - - -
- - - - - - - - - - - - - - - - - -
=0A- - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - |
=0A- =0A>----------------------------------------------------------------
---------------------------------------------------------------------------
-----------|=0A=0A|------------>=0A| To:- - - - |=0A|------------>
=0A- =0A>----------------------------------------------------------------
---------------------------------------------------------------------------
-----------|=0A=0A- |<kis-list@matronics.com>, "MILLER KEITH" <Keith.Mill
er@esa.int>, =0A<aeroelectric-list@matronics.com>- - - - - -
- - - - - - - - - - - - - - - - - - =0A
- - |=0A- =0A>-------------------------------------------------------
---------------------------------------------------------------------------
--------------------|=0A=0A|------------>=0A| Date:- - - |=0A|-------
----->=0A- =0A>----------------------------------------------------------
---------------------------------------------------------------------------
-----------------|=0A=0A- |16/07/2012 14:01- - - - - - -
- - - - - - - - - - - - - - - - - - -
- - - - - =0A- - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - -
- - - - - |=0A- =0A>-------------------------------------------
---------------------------------------------------------------------------
--------------------------------|=0A=0A|------------>=0A| Subject:- |=0A|
------------>=0A- =0A>---------------------------------------------------
---------------------------------------------------------------------------
------------------------|=0A=0A- |Re: KIS-List: weights and balances- bat
tery- - - - - - - - - - - - - - - - - =0A
- - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - |=0A
- =0A>-------------------------------------------------------------------
---------------------------------------------------------------------------
--------|=0A=0A|------------>=0A| Sent by:- |=0A|------------>=0A- =0A>
---------------------------------------------------------------------------
---------------------------------------------------------------------------
|=0A=0A- |owner-kis-list-server@matronics.com- - - - - - -
- - - - - - - - - - - - - - =0A- - - -
- - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - |=0A- =0A>----------
---------------------------------------------------------------------------
-----------------------------------------------------------------|=0A=0A=0A
>=0A=0A7/16/2012=0A=0AHello Keith, You wrote: "My 10 year old- Concorde b
attery ( CB35) finally=0Agave up last winter........"=0A=0A10 years old --
Wow, how did- it "give up"? When a car battery finally=0A"gives up" the s
cenario is usually that one can not get the starter to crank=0Athe engine.
There is the usual inconvenience of getting a jump start, then=0Adriving to
a battery supply source, replacing the battery,- and proceeding=0Aon one
's merry way. No great harm done.=0A=0AWhen an airplane battery can no long
er crank the engine that battery has=0Along since previously lost its capac
ity to supply electrical power to=0Aoperate any essential electrical device
s in the airplane for any significant=0Aperiod of time should the alternato
r fail. If inability to operate any=0Aessential electrical devices for the
period of time needed to get the=0Aairplane safely on the ground is unaccep
table then the pilot has a much more=0Aserious problem than just getting a
jump start.=0A=0AIn that "inability to operate" scenario, flying with a cla
pped out battery=0A(which can provide no electrical reserve) is analogous t
o flying with=0Aessentially no fuel reserve and expecting to always being a
ble to safely=0Aland and taxi to a fuel source before the propeller stops c
ooling the=0Apilot -- not good.=0A=0ASo using successful engine cranking as
the sole indicator of an airplane's=0Abattery's health (reserve capacity)
can be deleterious to the pilot's=0Ahealth. What can one do to ensure that
there is sufficient electrical=0Acapacity remaining in the battery for=0Aes
sential / endurance needs when just cranking the engine is not a good=0Aind
icator of battery actual capacity? There are two methods:=0A=0A1) Use a bat
tery capacity tester to determine the reserve capacity of the=0Abattery. He
re is just one example:=0A=0Ahttp://www.gillbatteries.com/capacitytesters.a
spx=0A=0A2) Just arbitrarily replace the airplane's battery at some periodi
c=0Ainterval -- say every two years?=0A=0ABob Nuckolls, our great electrica
l guru, has touched on this subject in his=0Apostings on the Matronics aero
electric-list many times. His thoughts on the=0Asubject can be researched t
hrough the list archival search capacity.=0A=0Ahttp://www.matronics.com/Nav
igator/?AeroElectric-List=0A=0AHis Jun 09, 2005 posting on battery testing
gives his philosophy on=0Apreferring this second course of action.=0A=0AOC
=0A=0A=======================
========0A=0A=0A=0AFrom: Keith.Miller@esa.int=0ASent: Monday,
July 16, 2012 3:59 AM=0ATo: kis-list@matronics.com=0ASubject: Re: KIS-List
Miller@esa.int=0A=0AJesse=0AMy 10 year old- Concorde battery ( CB35) fina
lly gave up last winter and I=0Areplaced it with an Aerovoltz Lithium Iron
phosphate battery weighing- just=0A3Lbs, So far It has- spun up the eng
ine without any problems , but only time=0Acan tell if its as reliable as m
y old lead acid ,- this solution moved my=0ACof=0AG forward without any n
eed to rewire- or move hardware.=0A=0AKeith=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A
This message and any attachments are intended for the use of the addressee
or =0Aaddressees only. The unauthorised disclosure, use, dissemination or c
opying =0A(either in whole or in part) of its content is not permitted. If
you received =0Athis message in error, please notify the sender and delete
it from your system. =0AEmails can be altered and their integrity cannot be
guaranteed by the sender.=0A=0APlease consider the environment before prin
===================
Message 10
INDEX | Back to Main INDEX |
PREVIOUS | Skip to PREVIOUS Message |
NEXT | Skip to NEXT Message |
LIST | Reply to LIST Regarding this Message |
SENDER | Reply to SENDER Regarding this Message |
|
Subject: | Re: weights and balances- battery |
I replaced the Concorde battery in my airplane in Dec 2010 after almost
9yrs of service. It wasn't starting the engine as fast as it had been and
after verifying with Dave that it was the original battery I replaced it.
The battery is under the co-pilot seat so it isn't exposed to the firewall
heat. I replaced it with another Concorde battery.
Galin
On Mon, Jul 16, 2012 at 2:59 AM, <Keith.Miller@esa.int> wrote:
>
> Jesse
> My 10 year old Concorde battery ( CB35) finally gave up last winter and I
> replaced it with an Aerovoltz Lithium Iron phosphate battery weighing just
> 3Lbs, So far It has spun up the engine without any problems , but only
> time
> can tell if its as reliable as my old lead acid , this solution moved my
> Cof
> G forward without any need to rewire or move hardware.
>
> Keith
>
>
>
> >------------------------------------------------------------------------------------------------------------------------------------------------------|
> |Flyinisfun@aol.com
>
> |
>
> >------------------------------------------------------------------------------------------------------------------------------------------------------|
>
> >------------------------------------------------------------------------------------------------------------------------------------------------------|
> |kis-list@matronics.com
>
> |
>
> >------------------------------------------------------------------------------------------------------------------------------------------------------|
>
> >------------------------------------------------------------------------------------------------------------------------------------------------------|
> |16/07/2012 03:58
>
> |
>
> >------------------------------------------------------------------------------------------------------------------------------------------------------|
>
> >------------------------------------------------------------------------------------------------------------------------------------------------------|
> |KIS-List: weights and balances
>
> |
>
> >------------------------------------------------------------------------------------------------------------------------------------------------------|
>
> >------------------------------------------------------------------------------------------------------------------------------------------------------|
> |owner-kis-list-server@matronics.com
>
> |
>
> >------------------------------------------------------------------------------------------------------------------------------------------------------|
>
>
> I am re-weighing my two place KIS -1 after moving the batteries forward by
> 30
> inches. I feel I have been too near the rear CG and wanted more room at
> the
> rear. I would like to compare with you guys the following.
>
> 1. What are your empty weights and CG numbers?
>
> 2. Do you figure gross weight by using 170 lbs. per occupant or do you use
> the actual weight of the occupant?
>
> 3. How much gas are you leaving home with two 200 lb. bodies aboard and no
> luggage?
>
> Jesse Wright
>
>
> This message and any attachments are intended for the use of the addressee
> or addressees only. The unauthorised disclosure, use, dissemination or
> copying (either in whole or in part) of its content is not permitted. If
> you received this message in error, please notify the sender and delete it
> from your system. Emails can be altered and their integrity cannot be
> guaranteed by the sender.
>
> Please consider the environment before printing this email.
>
>
Message 11
INDEX | Back to Main INDEX |
PREVIOUS | Skip to PREVIOUS Message |
NEXT | Skip to NEXT Message |
LIST | Reply to LIST Regarding this Message |
SENDER | Reply to SENDER Regarding this Message |
|
Electronic products Web site: www.coclife.com
look forward to your visit to buy.
Hope, that we can not serve for you soon.
Thanks and Regards.
Sales Manager
Other Matronics Email List Services
These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.
-- Please support this service by making your Contribution today! --
|