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patreilly43(at)hotmail.co Guest
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Posted: Mon Jan 14, 2008 4:36 pm Post subject: Battery Location |
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Kitfoxers, I am rebuilding a Model 3 that had a 912 engine and 2 (at)13 gallon wing tanks. At least I think they are 13 gals as that is the only wing tank option I am familiar with. The fuel header tank is about 18 inches behind the seat back.The battery was installed about 2 feet behind the seat back on the fusalage. I am installing a 582 Rotax. My question is, should I move the battery to the back of the firewall, where I see some other 582 engine battery installations?
Pat Reilly
Rockford, Illinois
[quote][b]
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msm_9949(at)yahoo.com Guest
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Posted: Mon Jan 14, 2008 6:06 pm Post subject: Battery Location |
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Based on the published info, the 912 weighs at least 25# more than the 582. Thus the rearward battery placement. I have mine on the firewall, cabin side. I'd say your guess is right on.
Pat Reilly <patreilly43(at)hotmail.com> wrote: [quote] Kitfoxers, I am rebuilding a Model 3 that had a 912 engine and 2 (at)13 gallon wing tanks. At least I think they are 13 gals as that is the only wing tank option I am familiar with. The fuel header tank is about 18 inches behind the seat back.The battery was installed about 2 feet behind the seat back on the fusalage. I am installing a 582 Rotax. My question is, should I move the battery to the back of the firewall, where I see some other 582 engine battery Be a better friend, newshound, and [quote][b]
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LarryM
Joined: 27 Nov 2007 Posts: 63 Location: Genoa, IL
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Posted: Mon Jan 14, 2008 6:18 pm Post subject: Re: Battery Location |
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Hey Pat,
I'm just down the road in Genoa. Check out Ramme (IL0)that's a zero. We have about 10 airplanes here. The runway is N/S 2400'. Come see us or give me a call 815-784-3476.
I would suggest looking at your current weight and balance. If it is not near the aft limit, then I would leave the battery where it is. The airplanes tend to be on the nose heavy side. They fly much better with the cg aft of center, but of course within the envelope.
Do call,
larry
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marwynne(at)verizon.net Guest
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Posted: Mon Jan 14, 2008 6:34 pm Post subject: Battery Location |
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I think Larry had the right answer. Check the weight and balance...
That is the only correct way.
Marwynne
LarryM wrote:
Quote: |
Hey Pat,
I'm just down the road in Genoa. Check out Ramme (IL0)that's a zero. We have about 10 airplanes here. The runway is N/S 2400'. Come see us or give me a call 815-784-3476.
I would suggest looking at your current weight and balance. If it is not near the aft limit, then I would leave the battery where it is. The airplanes tend to be on the nose heavy side. They fly much better with the cg aft of center, but of course within the envelope.
Do call,
larry
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=158180#158180
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Tom Jones
Joined: 12 Mar 2006 Posts: 752 Location: Ellensburg, WA
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Posted: Mon Jan 14, 2008 6:44 pm Post subject: Re: Battery Location |
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Quote: | My question is, should I move the battery to the back of the firewall, where I see some other 582 engine battery installations? |
Pat, I would leave the battery where it is until the rebuild is complete enough to do a close weight and balance. Then you can move the battery forward if needed and you will be able to know how far. It will probably be easier to remove the existing cables at that time than to reinstall them if you need the CG to move back.
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_________________ Tom Jones
Classic IV
503 Rotax, 72 inch Two blade Warp
Ellensburg, WA |
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kirkhull(at)kc.rr.com Guest
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Posted: Mon Jan 14, 2008 6:51 pm Post subject: Battery Location |
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getting a good weight and balance is definitely the right answer. I have
seen kitfoxes with the bat on the fire wall or like mine just in front of
the tail wheel. It is all determined by the weight and balance.
If you are near Kansas City Mo. EAA chapter 612 has some scales you can use
--
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dave
Joined: 22 Sep 2006 Posts: 1382
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Posted: Mon Jan 14, 2008 7:13 pm Post subject: Re: Battery Location |
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Yup , i would wait till you all done the do the w & B.
my IV model with 582 has the battery behind the seat.
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Float Flyr
Joined: 19 Jul 2006 Posts: 2704 Location: Campbellton, Newfoundland
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Posted: Mon Jan 14, 2008 7:45 pm Post subject: Battery Location |
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With something as major as an engine replacement I would install the new engine and reweigh the plane then make appropriate changes as necessary.
Noel
From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of Pat Reilly
Sent: Monday, January 14, 2008 9:03 PM
To: kitfox-list(at)matronics.com
Subject: Battery Location
Kitfoxers, I am rebuilding a Model 3 that had a 912 engine and 2 (at)13 gallon wing tanks. At least I think they are 13 gals as that is the only wing tank option I am familiar with. The fuel header tank is about 18 inches behind the seat back.The battery was installed about 2 feet behind the seat back on the fusalage. I am installing a 582 Rotax. My question is, should I move the battery to the back of the firewall, where I see some other 582 engine battery installations?
Pat Reilly
Rockford, Illinois
Quote: | http://www.matronics.com/Navigator?Kitfox-List | 0123456789
[quote][b]
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Kitfox III-A
Aerocet 1100 Floats |
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Guy Buchanan
Joined: 16 Jul 2006 Posts: 1204 Location: Ramona, CA
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Posted: Mon Jan 14, 2008 10:06 pm Post subject: Battery Location |
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At 04:33 PM 1/14/2008, you wrote:
Quote: | My question is, should I move the battery to the back of the firewall, where I see some other 582 engine battery installations? |
You already know the right way. But I'll add that my 582/IV has the battery just behind the firewall and its CG is "too far" aft, which means I can't run 40 pounds in my baggage compartment at full gross without going aft of the rear CG limit.
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar. [quote][b]
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Deceased K-IV 1200
A glider pilot too. |
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Lynn Matteson
Joined: 10 Jan 2006 Posts: 2778 Location: Grass Lake, Michigan
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Posted: Tue Jan 15, 2008 6:03 am Post subject: Battery Location |
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I guess this proves once and for all that the Jabiru is lighter....my
battery is on the firewall, engine side. (tongue firmly in cheek)
Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/460+ hrs
do not archive
On Jan 14, 2008, at 9:05 PM, Marco Menezes wrote:
Quote: | Based on the published info, the 912 weighs at least 25# more than
the 582. Thus the rearward battery placement. I have mine on the
firewall, cabin side. I'd say your guess is right on.
Pat Reilly <patreilly43(at)hotmail.com> wrote:
Kitfoxers, I am rebuilding a Model 3 that had a 912 engine and 2
(at)13 gallon wing tanks. At least I think they are 13 gals as that is
the only wing tank option I am familiar with. The fuel header tank
is about 18 inches behind the seat back.The battery was installed
about 2 feet behind the seat back on the fusalage. I am installing
a 582 Rotax. My question is, should I move the battery to the back
of the firewall, where I see some other 582 engine batteryBe a
better friend, newshound, and_-
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http://www.matronics.com/Navigator?Kitfox-List_-
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forums.matronics.com_-
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contribution_-
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Kitfox IV-Jabiru 2200
N369LM |
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patreilly43(at)hotmail.co Guest
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Posted: Tue Jan 15, 2008 9:34 am Post subject: Battery Location |
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Lynn, Looks like you are one of the most experienced Kitfoxers on this site. One more question on this mod 3 rebuild. There is a tube running to the rear of the fusalage to a static port. It is a few inches forward of the grab handle on the back of the fusalage. I will leave it there, but is it necessary or more accurate located back there. I think it was hooked up to the altimiter.
[quote] From: lynnmatt(at)jps.net
Subject: Re: Battery Location
Date: Tue, 15 Jan 2008 09:02:56 -0500
To: kitfox-list(at)matronics.com
--> Kitfox-List message posted by: Lynn Matteson <lynnmatt(at)jps.net>
I guess this proves once and for all that the Jabiru is lighter....my
battery is on the firewall, engine side. (tongue firmly in cheek)
Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/460+ hrs
do not archive
On Jan 14, 2008, at 9:05 PM, Marco Menezes wrote:
> Based on the published info, the 912 weighs at least 25# more than
> the 582. Thus the rearward battery placement. I have mine on the
> firewall, cabin side. I'd say your guess is right on.
>
> Pat Reilly <patreilly43(at)hotmail.com> wrote:
> Kitfoxers, I am rebuilding a Model 3 that had a 912 engine and 2
> (at)13 gallon wing tanks. At least I think they are 13 gals as that is
> the only wing tank option I am familiar with. The fuel header tank
> is about 18 inches behind the seat back.The battery was installed
> about 2 feet behind the seat back on the fusalage. I am installing
> a 582 Rotax. My question is, should I move the battery to the back
> of the firewall, where I see some other 582 engine batteryBe a
> better friend, newshound, and_-
> =================================== _-
> http://www.matronics.com/Navigator?Kitfox-List_-
> ========== _-
> forums.matronics.com_-
> =================================== _-
> contribution_-
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>
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patreilly43(at)hotmail.co Guest
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Posted: Tue Jan 15, 2008 9:43 am Post subject: Battery Location |
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Noel, Thanks for the advice. I will get the weight and balance of the plane after rebuilding it. I know there are others on this site that have experience with this exact circumstance and wanted to make necessary changes before recovering. It's much easier. Pat Reilly
[quote] From: noelloveys(at)yahoo.ca
To: kitfox-list(at)matronics.com
Subject: RE: Battery Location
Date: Tue, 15 Jan 2008 00:13:45 -0330
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With something as major as an engine replacement I would install the new engine and reweigh the plane then make appropriate changes as necessary.
Noel
From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of Pat Reilly
Sent: Monday, January 14, 2008 9:03 PM
To: kitfox-list(at)matronics.com
Subject: Battery Location
Kitfoxers, I am rebuilding a Model 3 that had a 912 engine and 2 (at)13 gallon wing tanks. At least I think they are 13 gals as that is the only wing tank option I am familiar with. The fuel header tank is about 18 inches behind the seat back.The battery was installed about 2 feet behind the seat back on the fusalage. I am installing a 582 Rotax. My question is, should I move the battery to the back of the firewall, where I see some other 582 engine battery installations?
Pat Reilly
Rockford, Illinois
Quote: | http://www.matronics.com/Navigator?Kitfox-List | 0123456789
0[b]
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patreilly43(at)hotmail.co Guest
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Posted: Tue Jan 15, 2008 9:46 am Post subject: Battery Location |
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Dave thanks for the advice. I wondered if some 582's used the battery location behind the seat. Maybe I will wait to remount the battery. Pat Reilly
[quote]
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patreilly43(at)hotmail.co Guest
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Posted: Tue Jan 15, 2008 9:51 am Post subject: Battery Location |
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Tom, Thanks for the advice. I have removed the battery. I am 90% sure it will have to come forward with the lighter engine. But, I will wait to reposition it with the new weight and balance. Pat Reilly
Quote: | Subject: Re: Battery Location
From: nahsikhs(at)elltel.net
Date: Mon, 14 Jan 2008 18:44:17 -0800
To: kitfox-list(at)matronics.com
--> Kitfox-List message posted by: "Tom Jones" <nahsikhs(at)elltel.net>
> My question is, should I move the battery to the back of the firewall, where I see some other 582 engine battery installations?
Pat, I would leave the battery where it is until the rebuild is complete enough to do a close weight and balance. Then you can move the battery forward if needed and you will be able to know how far. It will probably be easier to remove the existing cables at that time than to reinstall them if you need the CG to move back.
--------
Tom Jones
Classic IV, Phase one
503 Rotax, 72 inch Two blade Warp
Ellensburg, WA
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=158194#158194
&======================
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dave
Joined: 22 Sep 2006 Posts: 1382
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Posted: Tue Jan 15, 2008 9:53 am Post subject: Re: Battery Location |
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Pat, I could check the builders manual if you like.
I also have put 6 gals gas cans behind the seat on skis.
I have put in excess of 50 lbs in sack behind seat while on floats
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_________________ Realtime Kitfox movies to separate the internet chatter from the truth
http://www.youtube.com/user/kitfoxflyer
Hundreds of Kitfox Movies
Most viewed Kitfox on youtube
Most popular on youtube
Highest rated on youtube |
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patreilly43(at)hotmail.co Guest
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Posted: Tue Jan 15, 2008 10:06 am Post subject: Battery Location |
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Guy, Thanks for the advice on battery placement. Pat Reilly Rockford IL
[quote] Date: Mon, 14 Jan 2008 21:55:18 -0800
To: kitfox-list(at)matronics.com
From: bnn(at)nethere.com
Subject: Re: Battery Location
At 04:33 PM 1/14/2008, you wrote:
Quote: | My question is, should I move the battery to the back of the firewall, where I see some other 582 engine battery installations? |
You already know the right way. But I'll add that my 582/IV has the battery just behind the firewall and its CG is "too far" aft, which means I can't run 40 pounds in my baggage compartment at full gross without going aft of the rear CG limit.
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar. Quote: |
arget=_blank>http://www.matronics.com/Navigator?Kitfox-List
p://forums.matronics.com
blank>http://www.matronics.com/contribution
| [b]
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Float Flyr
Joined: 19 Jul 2006 Posts: 2704 Location: Campbellton, Newfoundland
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Posted: Tue Jan 15, 2008 10:08 am Post subject: Battery Location |
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Plan to loose assemble to do your W&B. Then you can make the right decision where to place the battery before running any cable.
Noel
From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of patrick reilly
Sent: Tuesday, January 15, 2008 2:12 PM
To: kitfox-list(at)matronics.com
Subject: RE: Battery Location
Noel, Thanks for the advice. I will get the weight and balance of the plane after rebuilding it. I know there are others on this site that have experience with this exact circumstance and wanted to make necessary changes before recovering. It's much easier. Pat Reilly
From: noelloveys(at)yahoo.ca
To: kitfox-list(at)matronics.com
Subject: RE: Battery Location
Date: Tue, 15 Jan 2008 00:13:45 -0330
With something as major as an engine replacement I would install the new engine and reweigh the plane then make appropriate changes as necessary.
Noel
From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of Pat Reilly
Sent: Monday, January 14, 2008 9:03 PM
To: kitfox-list(at)matronics.com
Subject: Battery Location
Kitfoxers, I am rebuilding a Model 3 that had a 912 engine and 2 (at)13 gallon wing tanks. At least I think they are 13 gals as that is the only wing tank option I am familiar with. The fuel header tank is about 18 inches behind the seat back.The battery was installed about 2 feet behind the seat back on the fusalage. I am installing a 582 Rotax. My question is, should I move the battery to the back of the firewall, where I see some other 582 engine battery installations?
Pat Reilly
Rockford, Illinois
Quote: | http://www.matronics.com/Navigator?Kitfox-Listhttp://forums.matronics.comhttp://www.matronics.com/contribution arget=_blank>http://www.matronics.com/Navigator?Kitfox-Listp://forums.matronics.com | 0123456789 Quote: | http://www.matronics.com/Navigator?Kitfox-List | 0 Quote: | http://www.matronics.com/Navigator?Kitfox-List | 1 Quote: | http://www.matronics.com/Navigator?Kitfox-List | 2 Quote: | http://www.matronics.com/Navigator?Kitfox-List | 3 Quote: | http://www.matronics.com/Navigator?Kitfox-List | 4 Quote: | http://www.matronics.com/Navigator?Kitfox-List | 5 Quote: | http://www.matronics.com/Navigator?Kitfox-List | 6 Quote: | http://www.matronics.com/Navigator?Kitfox-List | 7 Quote: | http://www.matronics.com/Navigator?Kitfox-List | 8 Quote: | http://www.matronics.com/Navigator?Kitfox-List | 9 Quote: | http://forums.matronics.com | 0 Quote: | http://forums.matronics.com | 1
[quote][b]
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_________________ Noel Loveys
Kitfox III-A
Aerocet 1100 Floats |
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Float Flyr
Joined: 19 Jul 2006 Posts: 2704 Location: Campbellton, Newfoundland
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Posted: Tue Jan 15, 2008 10:13 am Post subject: Battery Location |
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Pat
I’m going the other way installing a 912 where a 582 now lives. I’m considering moving my header tank, almost 14 lb full, behind the seat. Then putting the oil tank where the header is now, behind the instrument panel. I have to see if it will be easily removable form that location for cleaning. BTW you don’t happen to have an exhaust??
Noel
From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of patrick reilly
Sent: Tuesday, January 15, 2008 2:21 PM
To: kitfox-list(at)matronics.com
Subject: RE: Re: Battery Location
Tom, Thanks for the advice. I have removed the battery. I am 90% sure it will have to come forward with the lighter engine. But, I will wait to reposition it with the new weight and balance. Pat Reilly
> Subject: Re: Battery Location
> From: nahsikhs(at)elltel.net
> Date: Mon, 14 Jan 2008 18:44:17 -0800
> To: kitfox-list(at)matronics.com
>
> --> Kitfox-List message posted by: "Tom Jones" <nahsikhs(at)elltel.net>
>
>
> > My question is, should I move the battery to the back of the firewall, where I see some other 582 engine battery installations?
>
>
> Pat, I would leave the battery where it is until the rebuild is complete enough to do a close weight and balance. Then you can move the battery forward if needed and you will be able to know how far. It will probably be easier to remove the existing cables at that time than to reinstall them if you need the CG to move back.
>
> --------
> Tom Jones
> Classic IV, Phase one
> 503 Rotax, 72 inch Two blade Warp
> Ellensburg, WA
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=158194#158194
>
>
>
>
>
>
>
&======================
> =================
>
>
> Quote: | http://www.matronics.com/Navigator?Kitfox-List | 0123456789
[quote][b]
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_________________ Noel Loveys
Kitfox III-A
Aerocet 1100 Floats |
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patreilly43(at)hotmail.co Guest
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Posted: Tue Jan 15, 2008 10:21 am Post subject: Battery Location |
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Noel, Thanks. Good advice to loose assemble. Will do. Pat Reilly
[quote] From: noelloveys(at)yahoo.ca
To: kitfox-list(at)matronics.com
Subject: RE: Battery Location
Date: Tue, 15 Jan 2008 14:37:23 -0330
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Plan to loose assemble to do your W&B. Then you can make the right decision where to place the battery before running any cable.
Noel
From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of patrick reilly
Sent: Tuesday, January 15, 2008 2:12 PM
To: kitfox-list(at)matronics.com
Subject: RE: Kitfox-List: Battery Location
Noel, Thanks for the advice. I will get the weight and balance of the plane after rebuilding it. I know there are others on this site that have experience with this exact circumstance and wanted to make necessary changes before recovering. It's much easier. Pat Reilly
From: noelloveys(at)yahoo.ca
To: kitfox-list(at)matronics.com
Subject: RE: Battery Location
Date: Tue, 15 Jan 2008 00:13:45 -0330
With something as major as an engine replacement I would install the new engine and reweigh the plane then make appropriate changes as necessary.
Noel
From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of Pat Reilly
Sent: Monday, January 14, 2008 9:03 PM
To: kitfox-list(at)matronics.com
Subject: Battery Location
Kitfoxers, I am rebuilding a Model 3 that had a 912 engine and 2 (at)13 gallon wing tanks. At least I think they are 13 gals as that is the only wing tank option I am familiar with. The fuel header tank is about 18 inches behind the seat back.The battery was installed about 2 feet behind the seat back on the fusalage. I am installing a 582 Rotax. My question is, should I move the battery to the back of the firewall, where I see some other 582 engine battery installations?
Pat Reilly
Rockford, Illinois
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patreilly43(at)hotmail.co Guest
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Posted: Tue Jan 15, 2008 10:36 am Post subject: Battery Location |
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Noel, Sorry, no, I do not have the 912 exhaust. I got this plane without the engine. I have the complete 912 engine mount and the firewall grommet door, however. What are you doing with your 582 firewall forward? Where are you located? Pat
[quote] From: noelloveys(at)yahoo.ca
To: kitfox-list(at)matronics.com
Subject: RE: Re: Battery Location
Date: Tue, 15 Jan 2008 14:42:20 -0330
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Pat
I’m going the other way installing a 912 where a 582 now lives. I’m considering moving my header tank, almost 14 lb full, behind the seat. Then putting the oil tank where the header is now, behind the instrument panel. I have to see if it will be easily removable form that location for cleaning. BTW you don’t happen to have an exhaust??
Noel
From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of patrick reilly
Sent: Tuesday, January 15, 2008 2:21 PM
To: kitfox-list(at)matronics.com
Subject: RE: Kitfox-List: Re: Battery Location
Tom, Thanks for the advice. I have removed the battery. I am 90% sure it will have to come forward with the lighter engine. But, I will wait to reposition it with the new weight and balance. Pat Reilly
Quote: | Subject: Re: Battery Location
From: nahsikhs(at)elltel.net
Date: Mon, 14 Jan 2008 18:44:17 -0800
To: kitfox-list(at)matronics.com
--> Kitfox-List message posted by: "Tom Jones" <nahsikhs(at)elltel.net>
> My question is, should I move the battery to the back of the firewall, where I see some other 582 engine battery installations?
Pat, I would leave the battery where it is until the rebuild is complete enough to do a close weight and balance. Then you can move the battery forward if needed and you will be able to know how far. It will probably be easier to remove the existing cables at that time than to reinstall them if you need the CG to move back.
--------
Tom Jones
Classic IV, Phase one
503 Rotax, 72 inch Two blade Warp
Ellensburg, WA
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=158194#158194
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