Today's Message Index:
----------------------
1. 04:38 AM - Re: Battery (delfin29@me.com)
2. 06:00 AM - Re: Battery (ershire)
3. 06:04 AM - Re: Battery (William Geipel)
4. 06:10 AM - Re: Re: Battery (William Geipel)
5. 06:35 AM - Re: Battery (ershire)
6. 06:59 AM - Re: Battery (Gregory)
Message 1
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Hi,
How is set your trim for take-off ?
Jean de Roubin
> Le 29 d=C3=A9c. 2014 =C3- 17:27, Jon S <jonairway@gmail.com> a
=C3=A9crit :
>
> Hi Bill.
>
> Maybe I'm missing something. My battery weight 80lbs plus I have 65lbs
of lead in the nose to keep CG. With 40lbs in the nose the nose wheel
barely stayed on the ground. I see the bolts in the tail but no lead.
Where else should I be looking?
>
> On Dec 29, 2014 12:04 PM, "Bill Culberson"
<bculberson@staraviation.com <mailto:bculberson@staraviation.com>>
wrote:
> The Odysseys work great! I have just replaced my first two after 7
years of service and only replaced them because I was sure they would
fail eventually. I still use them in non-aviation related uses. Six of
them will start MiG-15/17 without much of a problem.
>
>
>
> I am surprised at your W&B issue. I am assuming there are no balance
plates in the tail fairing remaining?
>
>
>
> Bill C
>
> N39DE
>
> =C2- <>
> From: owner-l29-list-server@matronics.com
<mailto:owner-l29-list-server@matronics.com>
[mailto:owner-l29-list-server@matronics.com
<mailto:owner-l29-list-server@matronics.com>] On Behalf Of Jon S
> Sent: Monday, December 29, 2014 10:31 AM
> To: l29-list@matronics.com <mailto:l29-list@matronics.com>
> Subject: Re: L29-List: Battery
>
>
>
> Thanks, the battery box was converted into a tool box. I also need the
80lbs. I have to go out to the airplane and look at it.
>
> On Dec 29, 2014 11:27 AM, "William Geipel" <l129bs@gmail.com
<mailto:l129bs@gmail.com>> wrote:
>
<mailto:l129bs@gmail.com>>
>
> Batteries plus
> 2 big 1025 CCA 12 volt batteries
> Or the odysse batteries. two of them fit in the battery box. (925=99
s)
> 2 Sears die hard batteries fit on top as well without battery box.
>
> couple hundred bucks total.
>
>
> On Dec 29, 2014, at 8:04 AM, ershire <jonairway@gmail.com
<mailto:jonairway@gmail.com>> wrote:
>
<mailto:jonairway@gmail.com>>
> >
> > My battery seems to have given up. It's a Concorde RG380E/44
installed in 1998. Looking to replace I see the Gill G6381E is about
half the cost and I've read some are using the Gill G50E about half the
cost again. The Concorde battery is expensive and large but has been
reliable. It is located in the right nose where I think the IFF was. The
weight is required for CG. I self-start, no APU. My battery tender says
not for use with Gill batteries, what's the difference? Any
recommendations or thoughts would be appreciated.
> >
> > Jon
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=436389#436389
<http://forums.matronics.com/viewtopic.php?p=436389#436389>
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
>
> ==========
> br> fts!)
> r> > com" target="_blank">www.aeroelectric.com
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Message 2
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Hi Jean,
My trim is 2 deg aft for take offs and landings and 2.5 deg forward in cruise.
Here is my W&B and a spreadsheet I created with formulas to do the math for you.
Please let me know if anyone finds errors.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=436440#436440
Attachments:
http://forums.matronics.com//files/l_29_wandb_calculator_463.xlsx
http://forums.matronics.com//files/l_29_inch_989.docx
Message 3
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What else have you removed? I removed everything, 425 pounds. I have 103
lbs in the nose area.
If you use the 2 big auto batteries, they weigh enough that it won=92t
matter. If you go with odysseys it wouldn=92t be a big enough change to
really notice assuming everything else is in order.
My takeoff trim is approximately 0. At high speed I use a lot of nose
down. I did use the Gill for years until it died. Now I spend $200
instead of $2,000.
bill
On Dec 31, 2014, at 5:38 AM, delfin29@me.com wrote:
> Hi,
> How is set your trim for take-off ?
> Jean de Roubin
>> Le 29 d=E9c. 2014 =E0 17:27, Jon S <jonairway@gmail.com> a =E9crit :
>>
>> Hi Bill.
>>
>> Maybe I'm missing something. My battery weight 80lbs plus I have
65lbs of lead in the nose to keep CG. With 40lbs in the nose the nose
wheel barely stayed on the ground. I see the bolts in the tail but no
lead. Where else should I be looking?
>>
>> On Dec 29, 2014 12:04 PM, "Bill Culberson"
<bculberson@staraviation.com> wrote:
>> The Odysseys work great! I have just replaced my first two after 7
years of service and only replaced them because I was sure they would
fail eventually. I still use them in non-aviation related uses. Six of
them will start MiG-15/17 without much of a problem.
>>
>>
>>
>> I am surprised at your W&B issue. I am assuming there are no balance
plates in the tail fairing remaining?
>>
>>
>>
>> Bill C
>>
>> N39DE
>>
>>
>>
>> From: owner-l29-list-server@matronics.com
[mailto:owner-l29-list-server@matronics.com] On Behalf Of Jon S
>> Sent: Monday, December 29, 2014 10:31 AM
>> To: l29-list@matronics.com
>> Subject: Re: L29-List: Battery
>>
>>
>>
>> Thanks, the battery box was converted into a tool box. I also need
the 80lbs. I have to go out to the airplane and look at it.
>>
>> On Dec 29, 2014 11:27 AM, "William Geipel" <l129bs@gmail.com> wrote:
>>
>>
>> Batteries plus
>> 2 big 1025 CCA 12 volt batteries
>> Or the odysse batteries. two of them fit in the battery box. (925=92s)
>> 2 Sears die hard batteries fit on top as well without battery box.
>>
>> couple hundred bucks total.
>>
>>
>> On Dec 29, 2014, at 8:04 AM, ershire <jonairway@gmail.com> wrote:
>>
>> >
>> > My battery seems to have given up. It's a Concorde RG380E/44
installed in 1998. Looking to replace I see the Gill G6381E is about
half the cost and I've read some are using the Gill G50E about half the
cost again. The Concorde battery is expensive and large but has been
reliable. It is located in the right nose where I think the IFF was. The
weight is required for CG. I self-start, no APU. My battery tender says
not for use with Gill batteries, what's the difference? Any
recommendations or thoughts would be appreciated.
>> >
>> > Jon
>> >
>> >
>> >
>> >
>> > Read this topic online here:
>> >
>> > http://forums.matronics.com/viewtopic.php?p=436389#436389
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>>
>>
>>
>> ==========
>> br> fts!)
>> r> > com" target="_blank">www.aeroelectric.com
>> w.buildersbooks.com" target="_blank">www.buildersbooks.com
>> p.com" target="_blank">www.homebuilthelp.com
>> e.com" target="_blank">www.mypilotstore.com
>> " target="_blank">www.mrrace.com
>> target="_blank">http://www.matronics.com/contribution
>> -Matt Dralle, List Admin.
>> ==========
>> List" target="_blank">http://www.matronics.com/Navigator?L29-List
>> ==========
>> FORUMS -
>> _blank">http://forums.matronics.com
>> ==========
>>
>>
>>
>>
>> <==================<-= *
AeroElectric www.aeroelectric.comkstore ww * HomebuiltHELP
www.homebuilthelp.comwww.mypilotstore.comw-->
http://www.matronics.com/contribution
>> <="http://www.matronics.com/Navigator?L29-List"
target="_blank">http://www.matronics.com/Navigator?L29-Listhttp://forums
.matronics.com===
>>
>>
>>
>> class="">www.aeroelectric.com
>> href="http://www.buildersbooks.com/" class="">www.buildersbooks.com
>> class="">www.homebuilthelp.com
>> class="">www.mypilotstore.com
>> class="">www.mrrace.com
>> class="">http://www.matronics.com/contribution
>> class="">http://www.matronics.com/Navigator?L29-List
>> class="">http://forums.matronics.com
>>
>
>
>
>
Message 4
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my empty weight is 4905. The Viper weighs the same as the stock engine but sits
18 aft of the stock engine.
So W&B was a big change.
bill
On Dec 31, 2014, at 7:00 AM, ershire <jonairway@gmail.com> wrote:
>
> Hi Jean,
>
> My trim is 2 deg aft for take offs and landings and 2.5 deg forward in cruise.
Here is my W&B and a spreadsheet I created with formulas to do the math for
you. Please let me know if anyone finds errors.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=436440#436440
>
>
>
>
> Attachments:
>
> http://forums.matronics.com//files/l_29_wandb_calculator_463.xlsx
> http://forums.matronics.com//files/l_29_inch_989.docx
>
>
>
>
>
>
>
Message 5
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Bill,
This is interesting, I originally had 103lbs of lead in the nose plus the heavy
Concorde batter that just died see (xls sheet 1) and everything that could be
removed I think was removed. In this configuration the nose gear was almost collapsed
as it sat on the ramp. I played with the W&B and with 65lbs removed
the plane would sit very tail low and cruise was 3+ degrees forward, with 38lbs
removed as it is today (xls sheet 4) my trim is 2-2.5 deg forward in cruise
and the plane sits level. My empty weight is 5155lbs. xls sheet 3 is my current
W&B in mm for those who don't use inches.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=436444#436444
Message 6
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Odyssey PC925's.. I used 2 in stock battery box. Awesome.. I use the same in
my T-33's... But 4 or 6 of them. Best bang for the dollar for sure
Gregory Colyer
www.AceMakerAirshows.com
415-531-0970
Join us on Facebook
www.facebook.com/AceMakerAirshows
Twitter @AceMaker33
> On Dec 31, 2014, at 6:03 AM, William Geipel <l129bs@gmail.com> wrote:
>
> What else have you removed? I removed everything, 425 pounds. I have 103 l
bs in the nose area.
> If you use the 2 big auto batteries, they weigh enough that it won=99
t matter. If you go with odysseys it wouldn=99t be a big enough change
to really notice assuming everything else is in order.
> My takeoff trim is approximately 0. At high speed I use a lot of nose down
. I did use the Gill for years until it died. Now I spend $200 instead of $2
,000.
>
> bill
>
>> On Dec 31, 2014, at 5:38 AM, delfin29@me.com wrote:
>>
>> Hi,
>> How is set your trim for take-off ?
>> Jean de Roubin
>>> Le 29 d=C3=A9c. 2014 =C3- 17:27, Jon S <jonairway@gmail.com> a =C3=A9c
rit :
>>>
>>> Hi Bill.
>>>
>>> Maybe I'm missing something. My battery weight 80lbs plus I have 65lbs o
f lead in the nose to keep CG. With 40lbs in the nose the nose wheel barely s
tayed on the ground. I see the bolts in the tail but no lead. Where else sho
uld I be looking?
>>>
>>>> On Dec 29, 2014 12:04 PM, "Bill Culberson" <bculberson@staraviation.com
> wrote:
>>>> The Odysseys work great! I have just replaced my first two after 7 year
s of service and only replaced them because I was sure they would fail event
ually. I still use them in non-aviation related uses. Six of them will start
MiG-15/17 without much of a problem.
>>>>
>>>>
>>>>
>>>> I am surprised at your W&B issue. I am assuming there are no balance pl
ates in the tail fairing remaining?
>>>>
>>>>
>>>>
>>>> Bill C
>>>>
>>>> N39DE
>>>>
>>>>
>>>>
>>>> From: owner-l29-list-server@matronics.com [mailto:owner-l29-list-server
@matronics.com] On Behalf Of Jon S
>>>> Sent: Monday, December 29, 2014 10:31 AM
>>>> To: l29-list@matronics.com
>>>> Subject: Re: L29-List: Battery
>>>>
>>>>
>>>>
>>>> Thanks, the battery box was converted into a tool box. I also need the 8
0lbs. I have to go out to the airplane and look at it.
>>>>
>>>> On Dec 29, 2014 11:27 AM, "William Geipel" <l129bs@gmail.com> wrote:
>>>>
>>>>
>>>> Batteries plus
>>>> 2 big 1025 CCA 12 volt batteries
>>>> Or the odysse batteries. two of them fit in the battery box. (925
=99s)
>>>> 2 Sears die hard batteries fit on top as well without battery box.
>>>>
>>>> couple hundred bucks total.
>>>>
>>>>
>>>> On Dec 29, 2014, at 8:04 AM, ershire <jonairway@gmail.com> wrote:
>>>>
>>>> >
>>>> > My battery seems to have given up. It's a Concorde RG380E/44 installe
d in 1998. Looking to replace I see the Gill G6381E is about half the cost a
nd I've read some are using the Gill G50E about half the cost again. The Con
corde battery is expensive and large but has been reliable. It is located in
the right nose where I think the IFF was. The weight is required for CG. I s
elf-start, no APU. My battery tender says not for use with Gill batteries, w
hat's the difference? Any recommendations or thoughts would be appreciated.
>>>> >
>>>> > Jon
>>>> >
>>>> >
>>>> >
>>>> >
>>>> > Read this topic online here:
>>>> >
>>>> > http://forums.matronics.com/viewtopic.php?p=436389#436389
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
>>>> >
>>>>
>>>>
>>>>
>>>> ==========
>>>> br> fts!)
>>>> r> > com" target="_blank">www.aeroelectric.com
>>>> w.buildersbooks.com" target="_blank">www.buildersbooks.com
>>>> p.com" target="_blank">www.homebuilthelp.com
>>>> e.com" target="_blank">www.mypilotstore.com
>>>> " target="_blank">www.mrrace.com
>>>> target="_blank">http://www.matronics.com/contribution
>>>> -Matt Dralle, List Admin.
>>>> ==========
>>>> List" target="_blank">http://www.matronics.com/Navigator?L29-List
>>>> ==========
>>>> FORUMS -
>>>> _blank">http://forums.matronics.com
>>>> ==========
>>>>
>>>>
>>>>
>>>>
>>>> <==================<-= * Aer
oElectric www.aeroelectric.comkstore ww * HomebuiltHELP www.homebuilthelp
.comwww.mypilotstore.comw--> http://www.matronics.com/contribution
>>>> <="http://www.matronics.com/Navigator?L29-List" target="_blank">htt
p://www.matronics.com/Navigator?L29-Listhttp://forums.matronics.com===
>>>>
>>>
>>>
>>>
>>> class="">www.aeroelectric.com
>>> href="http://www.buildersbooks.com/" class="">www.buildersbooks.com
>>> class="">www.homebuilthelp.com
>>> class="">www.mypilotstore.com
>>> class="">www.mrrace.com
>>> class="">http://www.matronics.com/contribution
>>> class="">http://www.matronics.com/Navigator?L29-List
>>> class="">http://forums.matronics.com
>>>
>>
>>
>>
>> href="http://www.aeroelectric.com/">www.aeroelectric.com
>> href="http://www.buildersbooks.com/">www.buildersbooks.com
>> href="http://www.homebuilthelp.com/">www.homebuilthelp.com
>> href="http://www.mypilotstore.com/">www.mypilotstore.com
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ontribution
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.com/Navigator?L29-List
>> href="http://forums.matronics.com/">http://forums.matronics.com
>>
>
>
>
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>
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