---------------------------------------------------------- L29-List Digest Archive --- Total Messages Posted Sun 02/22/09: 7 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 09:02 AM - Re: External start battery (transmatch@aol.com) 2. 09:22 AM - Re: External start battery (Jorgen Nielsen) 3. 09:31 AM - Re: External start battery (Colyergreg@aol.com) 4. 09:36 AM - Re: External start battery (Colyergreg@aol.com) 5. 09:58 AM - Re: External start battery (transmatch@aol.com) 6. 11:49 AM - Re: External start battery (Colyergreg@aol.com) 7. 03:47 PM - Re: External start battery (Bill Geipel) ________________________________ Message 1 _____________________________________ Time: 09:02:55 AM PST US Subject: Re: L29-List: External start battery From: transmatch@aol.com My L-29 came with a Gill GE-50 battery installed in the nose compartment on the right side where I think that the IFF equipment had been installed.? It is a large, heavy battery that takes up all of this compartment.? I have always started off this internal battery and usually the start temperature never exceeds 600 degrees.? When the aircraft sits for an extended period of time, I connect this battery to a 24 volt BatteryMINDer.? The battery is about 4 years and is still in very good condition.? I hope that this helps. Gene Freeman N229DD -----Original Message----- From: John Cabrera Sent: Sat, 21 Feb 2009 6:14 pm Subject: RE: L29-List: External start battery Greg, ? I won't be able to make.? I have a trip scheduled with my daugther and her 6th grade class to go to Washington DC for that week. Trust me, I would rather go to the jet blast...... ? ? John.... -----Original Message----- From: owner-l29-list-server@matronics.com [mailto:owner-l29-list-server@matronics.com] On Behalf Of Colyergreg Sent: Wednesday, February 18, 2009 11:33 PM Subject: Re: L29-List: External start battery John ?? ?You are in so cal, right? ?Can you make It up for the jet blast I'm hosting in may? Sent from my iPhone, Greg On Feb 18, 2009, at 9:17 PM, "John Cabrera" wrote: I use 2 Oddesy pc925 batteries and it works very well.? Never have had a problem. ? John Cabrera -----Original Message----- From: owner-l29-list-server@matronics.com [mailto:owner-l29-list-server@matronics.com] On Behalf Of Jorgen Nielsen Sent: Tuesday, February 17, 2009 12:00 AM Subject: L29-List: External start battery Hi All Was having a chat with my AMO re starting the L29 and the issue around on board start vs external power came up.? What are you guys all using?? I am thinking of using 2 x 24V plus 1 x 6V battery making up a 30V system for starting only.? Is this too high? href="http://www.matronics.com/Navigator?L29-List">http://www.matronics.com/Navigator?L29-List href="http://forums.matronics.com">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c href="http://www.matronics.com/Navigator?L29-List">http://www.matronics.com/Navigator?L29-List href="http://forums.matronics.com">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c ________________________________ Message 2 _____________________________________ Time: 09:22:33 AM PST US From: "Jorgen Nielsen" Subject: RE: L29-List: External start battery Thanks all. Yes noted, and I have started my jet once (!) at sea level and experienced a very cool start with no juggling of fuel flow. What has become apparent to me is that everyone on the list is operating at low altitudes. So a heads up is in order. Be careful when starting at high elevation / high density altitude. The engine will over temp. I manually have to retard the fuel flow lever to keep the temps in limits. Seen the same with all 3 L29 I have flown up here in Johannesburg. Hence the search for a ground start solution with higher voltage. Jorgen From: owner-l29-list-server@matronics.com [mailto:owner-l29-list-server@matronics.com] On Behalf Of transmatch@aol.com Sent: 22 February 2009 07:02 PM Subject: Re: L29-List: External start battery My L-29 came with a Gill GE-50 battery installed in the nose compartment on the right side where I think that the IFF equipment had been installed. It is a large, heavy battery that takes up all of this compartment. I have always started off this internal battery and usually the start temperature never exceeds 600 degrees. When the aircraft sits for an extended period of time, I connect this battery to a 24 volt BatteryMINDer. The battery is about 4 years and is still in very good condition. I hope that this helps. Gene Freeman N229DD -----Original Message----- From: John Cabrera Sent: Sat, 21 Feb 2009 6:14 pm Subject: RE: L29-List: External start battery Greg, I won't be able to make. I have a trip scheduled with my daugther and her 6th grade class to go to Washington DC for that week. Trust me, I would rather go to the jet blast...... John.... -----Original Message----- From: owner-l29-list-server@matronics.com [mailto:owner-l29-list-server@matronics.com ] On Behalf Of Colyergreg Sent: Wednesday, February 18, 2009 11:33 PM Subject: Re: L29-List: External start battery John You are in so cal, right? Can you make It up for the jet blast I'm hosting in may? Sent from my iPhone, Greg On Feb 18, 2009, at 9:17 PM, "John Cabrera" wrote: I use 2 Oddesy pc925 batteries and it works very well. Never have had a problem. John Cabrera -----Original Message----- From: owner-l29-list-server@matronics.com [mailto:owner-l29-list-server@matronics.com] On Behalf Of Jorgen Nielsen Sent: Tuesday, February 17, 2009 12:00 AM Subject: L29-List: External start battery Hi All Was having a chat with my AMO re starting the L29 and the issue around on board start vs external power came up. What are you guys all using? I am thinking of using 2 x 24V plus 1 x 6V battery making up a 30V system for starting only. Is this too high? href="http://www.matronics.com/Navigator?L29-List">http://www.matronics.com/ Navigator?L29-List href="http://forums.matronics.com ">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c href="http://www.matronics.com/Navigator?L29-List">http://www.matronics.com/ Navigator?L29-List href="http://forums.matronics.com ">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c ________________________________ Message 3 _____________________________________ Time: 09:31:48 AM PST US From: Colyergreg@aol.com Subject: Re: L29-List: External start battery Gene, Where do you base your L-29? In a message dated 2/22/2009 9:03:36 A.M. Pacific Standard Time, transmatch@aol.com writes: My L-29 came with a Gill GE-50 battery installed in the nose compartment on the right side where I think that the IFF equipment had been installed. It is a large, heavy battery that takes up all of this compartment. I have always started off this internal battery and usually the start temperature never exceeds 600 degrees. When the aircraft sits for an extended period of time, I connect this battery to a 24 volt BatteryMINDer. The battery is about 4 years and is still in very good condition. I hope that this helps. Gene Freeman N229DD -----Original Message----- From: John Cabrera Sent: Sat, 21 Feb 2009 6:14 pm Subject: RE: L29-List: External start battery Greg, I won't be able to make. I have a trip scheduled with my daugther and her 6th grade class to go to Washington DC for that week. Trust me, I would rather go to the jet blast...... John.... -----Original Message----- 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 Colyergreg Sent: Wednesday, February 18, 2009 11:33 PM Subject: Re: L29-List: External start battery John You are in so cal, right? Can you make It up for the jet blast I'm hosting in may? Sent from my iPhone, Greg On Feb 18, 2009, at 9:17 PM, "John Cabrera" <_propblast@earthlink.net_ (mailto:propblast@earthlink.net) > wrote: I use 2 Oddesy pc925 batteries and it works very well. Never have had a problem. John Cabrera -----Original Message----- 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 Jorgen Nielsen Sent: Tuesday, February 17, 2009 12:00 AM Subject: L29-List: External start battery Hi All Was having a chat with my AMO re starting the L29 and the issue around on board start vs external power came up. What are you guys all using? I am thinking of using 2 x 24V plus 1 x 6V battery making up a 30V system for starting only. Is this too high? href="_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) ">_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) href="_http://forums.matronics.com_ (http://forums.matronics.com/) ">_http://forums.matronics.com_ (http://forums.matronics.com/) href="_http://www.matronics.com/contribution_ (http://www.matronics.com/contribution) ">_http://www.matronics.com/c_ (http://www.matronics.com/c) href="_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) ">_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) href="_http://forums.matronics.com_ (http://forums.matronics.com/) ">_http://forums.matronics.com_ (http://forums.matronics.com/) href="_http://www.matronics.com/contribution_ (http://www.matronics.com/contribution) ">_http://www.matronics.com/c_ (http://www.matronics.com/c) (http://www.matronics.com/Navigator?L29-List) (http://www.matronics.com/contribution) **************You can't always choose whom you love, but you can choose how to find them. Start with AOL Personals. (http://personals.aol.com/?ncid=emlcntuslove00000002) ________________________________ Message 4 _____________________________________ Time: 09:36:00 AM PST US From: Colyergreg@aol.com Subject: Re: L29-List: External start battery Jorgen, Even at see level on hot days here in CA I always had to "feather the fuel" on start to keep the temps low. I do the same thing in the T-33. It just goes with the old jets. Greg In a message dated 2/22/2009 9:23:06 A.M. Pacific Standard Time, jorgen.nielsen@mweb.co.za writes: Thanks all. Yes noted, and I have started my jet once (!) at sea level and experienced a very cool start with no juggling of fuel flow. What has become apparent to me is that everyone on the list is operating at low altitudes. So a heads up is in order. Be careful when starting at high elevation / high density altitude. The engine will over temp. I manually have to retard the fuel flow lever to keep the temps in limits. Seen the same with all 3 L29 I have flown up here in Johannesburg. Hence the search for a ground start solution with higher voltage. Jorgen From: owner-l29-list-server@matronics.com [mailto:owner-l29-list-server@matronics.com] On Behalf Of transmatch@aol.com Sent: 22 February 2009 07:02 PM Subject: Re: L29-List: External start battery My L-29 came with a Gill GE-50 battery installed in the nose compartment on the right side where I think that the IFF equipment had been installed. It is a large, heavy battery that takes up all of this compartment. I have always started off this internal battery and usually the start temperature never exceeds 600 degrees. When the aircraft sits for an extended period of time, I connect this battery to a 24 volt BatteryMINDer. The battery is about 4 years and is still in very good condition. I hope that this helps. Gene Freeman N229DD -----Original Message----- From: John Cabrera Sent: Sat, 21 Feb 2009 6:14 pm Subject: RE: L29-List: External start battery Greg, I won't be able to make. I have a trip scheduled with my daugther and her 6th grade class to go to Washington DC for that week. Trust me, I would rather go to the jet blast...... John.... -----Original Message----- 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 Colyergreg Sent: Wednesday, February 18, 2009 11:33 PM Subject: Re: L29-List: External start battery John You are in so cal, right? Can you make It up for the jet blast I'm hosting in may? Sent from my iPhone, Greg On Feb 18, 2009, at 9:17 PM, "John Cabrera" <_propblast@earthlink.net_ (mailto:propblast@earthlink.net) > wrote: I use 2 Oddesy pc925 batteries and it works very well. Never have had a problem. John Cabrera -----Original Message----- 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 Jorgen Nielsen Sent: Tuesday, February 17, 2009 12:00 AM Subject: L29-List: External start battery Hi All Was having a chat with my AMO re starting the L29 and the issue around on board start vs external power came up. What are you guys all using? I am thinking of using 2 x 24V plus 1 x 6V battery making up a 30V system for starting only. Is this too high? href="_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) ">_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) href="_http://forums.matronics.com_ (http://forums.matronics.com/) ">_http://forums.matronics.com_ (http://forums.matronics.com/) href="_http://www.matronics.com/contribution_ (http://www.matronics.com/contribution) ">_http://www.matronics.com/c_ (http://www.matronics.com/c) href="_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) ">_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) href="_http://forums.matronics.com_ (http://forums.matronics.com/) ">_http://forums.matronics.com_ (http://forums.matronics.com/) href="_http://www.matronics.com/contribution_ (http://www.matronics.com/contribution) ">_http://www.matronics.com/c_ (http://www.matronics.com/c) http://www.matronics.com/Navigator?L29-List http://forums.matronics.com http://www.matronics.com/contribution (http://www.matronics.com/Navigator?L29-List) (http://www.matronics.com/contribution) **************You can't always choose whom you love, but you can choose how to find them. Start with AOL Personals. (http://personals.aol.com/?ncid=emlcntuslove00000002) ________________________________ Message 5 _____________________________________ Time: 09:58:23 AM PST US Subject: Re: L29-List: External start battery From: transmatch@aol.com Greg: I live in St. Louis, Missouri and my hangar and airplane are based at the Saint Louis Downtown Airport (KCPS).? This is the old Parks College airport. Jorgen: You are correct. The highest density altitude that I ever started my L-29 was about 4500 feet.? I had no problem at that DA, but I can see where the higher DAs may be a problem. I would be careful about increasing the voltage above 28 volts.? The max amperage draw during a start should be no more than 600 amps.? This is a considerable draw and I think that you should ensure that you have very heavy cables and that they are no longer than is necessary.? This will keep the voltage drop from the external source to the starter to a minimum.? Also, when I start, I turn off the inverters as they draw a considerable amount of current as they spool up.? I'm sure that you are aware of this, but it bears reiterating. Gene N229DD -----Original Message----- From: Colyergreg@aol.com Sent: Sun, 22 Feb 2009 5:30 pm Subject: Re: L29-List: External start battery Gene, ?? Where do you base your L-29? ? In a message dated 2/22/2009 9:03:36 A.M. Pacific Standard Time, transmatch@aol.com writes: My L-29 came with a Gill GE-50 battery installed in the nose compartment on the right side where I think that the IFF equipment had been installed.? It is a large, heavy battery that takes up all of this compartment.? I have always started off this internal battery and usually the start temperature never exceeds 600 degrees.? When the aircraft sits for an extended period of time, I connect this battery to a 24 volt BatteryMINDer.? The battery is about 4 years and is still in very good condition.? I hope that this helps. Gene Freeman N229DD -----Original Message----- From: John Cabrera Sent: Sat, 21 Feb 2009 6:14 pm Subject: RE: L29-List: External start battery Greg, ? I won't be able to make.? I have a trip scheduled with my daugther and her 6th grade class to go to Washington DC for that week. Trust me, I would rather go to the jet blast...... ? ? John.... -----Original Message----- From: owner-l29-list-server@matronics.com [mailto:owner-l29-list-server@matronics.com] On Behalf Of Colyergreg Sent: Wednesday, February 18, 2009 11:33 PM Subject: Re: L29-List: External start battery John ?? ?You are in so cal, right? ?Can you make It up for the jet blast I'm hosting in may? Sent from my iPhone, Greg On Feb 18, 2009, at 9:17 PM, "John Cabrera" wrote: I use 2 Oddesy pc925 batteries and it works very well.? Never have had a problem. ? John Cabrera -----Original Message----- From: owner-l29-list-server@matronics.com [mailto:owner-l29-list-server@matronics.com] On Behalf Of Jorgen Nielsen Sent: Tuesday, February 17, 2009 12:00 AM Subject: L29-List: External start battery Hi All Was having a chat with my AMO re starting the L29 and the issue around on board start vs external power came up.? What are you guys all using?? I am thinking of using 2 x 24V plus 1 x 6V battery making up a 30V system for starting only.? Is this too high? href="http://www.matronics.com/Navigator?L29-List">http://www.matronics.com/Navigator?L29-List href="http://forums.matronics.com">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c href="http://www.matronics.com/Navigator?L29-List">http://www.matronics.com/Navigator?L29-List href="http://forums.matronics.com">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c ="http://www.matronics.com/Navigator?L29-List">http://www.matronics.com/Navigator?L29-List .matronics.com/">http://forums.matronics.com ://www.matronics.com/contribution">http://www.matronics.com/contribution You can't always choose whom you love, but you can choose how to find them. Start with AOL Personals. ________________________________ Message 6 _____________________________________ Time: 11:49:25 AM PST US From: Colyergreg@aol.com Subject: Re: L29-List: External start battery Thanks In a message dated 2/22/2009 9:58:57 A.M. Pacific Standard Time, transmatch@aol.com writes: Greg: I live in St. Louis, Missouri and my hangar and airplane are based at the Saint Louis Downtown Airport (KCPS). This is the old Parks College airport. Jorgen: You are correct. The highest density altitude that I ever started my L-29 was about 4500 feet. I had no problem at that DA, but I can see where the higher DAs may be a problem. I would be careful about increasing the voltage above 28 volts. The max amperage draw during a start should be no more than 600 amps. This is a considerable draw and I think that you should ensure that you have very heavy cables and that they are no longer than is necessary. This will keep the voltage drop from the external source to the starter to a minimum. Also, when I start, I turn off the inverters as they draw a considerable amount of current as they spool up. I'm sure that you are aware of this, but it bears reiterating. Gene N229DD -----Original Message----- From: Colyergreg@aol.com Sent: Sun, 22 Feb 2009 5:30 pm Subject: Re: L29-List: External start battery Gene, Where do you base your L-29? In a message dated 2/22/2009 9:03:36 A.M. Pacific Standard Time, _transmatch@aol.com_ (mailto:transmatch@aol.com) writes: My L-29 came with a Gill GE-50 battery installed in the nose compartment on the right side where I think that the IFF equipment had been installed. It is a large, heavy battery that takes up all of this compartment. I have always started off this internal battery and usually the start temperature never exceeds 600 degrees. When the aircraft sits for an extended period of time, I connect this battery to a 24 volt BatteryMINDer. The battery is about 4 years and is still in very good condition. I hope that this helps. Gene Freeman N229DD -----Original Message----- From: John Cabrera <_propblast@earthlink.net_ (mailto:propblast@earthlink.net) > Sent: Sat, 21 Feb 2009 6:14 pm Subject: RE: L29-List: External start battery Greg, I won't be able to make. I have a trip scheduled with my daugther and her 6th grade class to go to Washington DC for that week. Trust me, I would rather go to the jet blast...... John.... -----Original Message----- 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 Colyergreg Sent: Wednesday, February 18, 2009 11:33 PM Subject: Re: L29-List: External start battery John You are in so cal, right? Can you make It up for the jet blast I'm hosting in may? Sent from my iPhone, Greg On Feb 18, 2009, at 9:17 PM, "John Cabrera" <_propblast@earthlink.net_ (mailto:propblast@earthlink.net) > wrote: I use 2 Oddesy pc925 batteries and it works very well. Never have had a problem. John Cabrera -----Original Message----- 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 Jorgen Nielsen Sent: Tuesday, February 17, 2009 12:00 AM Subject: L29-List: External start battery Hi All Was having a chat with my AMO re starting the L29 and the issue around on board start vs external power came up. What are you guys all using? I am thinking of using 2 x 24V plus 1 x 6V battery making up a 30V system for starting only. Is this too high? href="_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) ">_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) href="_http://forums.matronics.com_ (http://forums.matronics.com/) ">_http://forums.matronics.com_ (http://forums.matronics.com/) href="_http://www.matronics.com/contribution_ (http://www.matronics.com/contribution) ">_http://www.matronics.com/c_ (http://www.matronics.com/c) href="_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) ">_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) href="_http://forums.matronics.com_ (http://forums.matronics.com/) ">_http://forums.matronics.com_ (http://forums.matronics.com/) href="_http://www.matronics.com/contribution_ (http://www.matronics.com/contribution) ">_http://www.matronics.com/c_ (http://www.matronics.com/c) ="_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) ">_http://www.matronics.com/Navigator?L29-List_ (http://www.matronics.com/Navigator?L29-List) ..matronics.com/">_http://forums.matronics.com_ (http://forums.matronics.com/) ://_www.matronics.com/contribution_ (http://www.matronics.com/contribution) ">_http://www.matronics.com/contribution_ (http://www.matronics.com/contribution) ____________________________________ You can't always choose whom you love, but you can choose how to find them. _Start with AOL Personals._ (http://personals.aol.com/?ncid=emlcntuslove00000002) (http://www.matronics.com/Navigator?L29-List) (http://www.matronics.com/contribution) **************You can't always choose whom you love, but you can choose how to find them. Start with AOL Personals. (http://personals.aol.com/?ncid=emlcntuslove00000002) ________________________________ Message 7 _____________________________________ Time: 03:47:45 PM PST US From: "Bill Geipel" Subject: RE: L29-List: External start battery I believe it's 200 amps for a few seconds then 400 amps for the rest of the start. The 2 Odyssey batteries or the one big Gill/Concord battery is perfect. Many guys go to the local autoparts store and buy 2 12 volt car batteries for $50 each and they last for years. _____ From: owner-l29-list-server@matronics.com [mailto:owner-l29-list-server@matronics.com] On Behalf Of transmatch@aol.com Sent: Sunday, February 22, 2009 10:57 AM Subject: Re: L29-List: External start battery Greg: I live in St. Louis, Missouri and my hangar and airplane are based at the Saint Louis Downtown Airport (KCPS). This is the old Parks College airport. Jorgen: You are correct. The highest density altitude that I ever started my L-29 was about 4500 feet. I had no problem at that DA, but I can see where the higher DAs may be a problem. I would be careful about increasing the voltage above 28 volts. The max amperage draw during a start should be no more than 600 amps. This is a considerable draw and I think that you should ensure that you have very heavy cables and that they are no longer than is necessary. This will keep the voltage drop from the external source to the starter to a minimum. Also, when I start, I turn off the inverters as they draw a considerable amount of current as they spool up. I'm sure that you are aware of this, but it bears reiterating. Gene N229DD -----Original Message----- From: Colyergreg@aol.com Sent: Sun, 22 Feb 2009 5:30 pm Subject: Re: L29-List: External start battery Gene, Where do you base your L-29? In a message dated 2/22/2009 9:03:36 A.M. Pacific Standard Time, transmatch@aol.com writes: My L-29 came with a Gill GE-50 battery installed in the nose compartment on the right side where I think that the IFF equipment had been installed. It is a large, heavy battery that takes up all of this compartment. I have always started off this internal battery and usually the start temperature never exceeds 600 degrees. When the aircraft sits for an extended period of time, I connect this battery to a 24 volt BatteryMINDer. The battery is about 4 years and is still in very good condition. I hope that this helps. Gene Freeman N229DD -----Original Message----- From: John Cabrera Sent: Sat, 21 Feb 2009 6:14 pm Subject: RE: L29-List: External start battery Greg, I won't be able to make. I have a trip scheduled with my daugther and her 6th grade class to go to Washington DC for that week. Trust me, I would rather go to the jet blast...... John.... -----Original Message----- From: owner-l29-list-server@matronics.com [mailto:owner-l29-list-server@matronics.com ] On Behalf Of Colyergreg Sent: Wednesday, February 18, 2009 11:33 PM Subject: Re: L29-List: External start battery John You are in so cal, right? Can you make It up for the jet blast I'm hosting in may? Sent from my iPhone, Greg On Feb 18, 2009, at 9:17 PM, "John Cabrera" wrote: I use 2 Oddesy pc925 batteries and it works very well. Never have had a problem. John Cabrera -----Original Message----- From: owner-l29-list-server@matronics.com [mailto:owner-l29-list-server@matronics.com] On Behalf Of Jorgen Nielsen Sent: Tuesday, February 17, 2009 12:00 AM Subject: L29-List: External start battery Hi All Was having a chat with my AMO re starting the L29 and the issue around on board start vs external power came up. What are you guys all using? I am thinking of using 2 x 24V plus 1 x 6V battery making up a 30V system for starting only. Is this too high? href="http://www.matronics.com/Navigator?L29-List">http://www.matronics.com/ Navigator?L29-List href="http://forums.matronics.com ">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c href="http://www.matronics.com/Navigator?L29-List">http://www.matronics.com/ Navigator?L29-List href="http://forums.matronics.com ">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c ="http://www.matronics.com/Navigator?L29-List">http://www.matronics.com/Navi gator?L29-List ..matronics.com/">http://forums.matronics.com ://www.matronics.com/contribution">http://www.matronics.com/contribution _____ You can't always choose whom you love, but you can choose how to find them. 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