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-----Original Message----- From: William R. Bayne [mailto:[EMAIL PROTECTED] Sent: Sunday, April 10, 2005 10:38 PM To: Ed Burkhead Subject: Re: (COUPERS-TECH] Battery Replacement RLYTECH (WRB via Ed Burkhead's computer-I can't post directly) Please send responses directly to the list or to me, Bill Bayne @ <[EMAIL PROTECTED]> Hi Bob (WRB Speaking), Your present Gill G-25M is not listed on Type Certificate 787 either although the AC-54 Exide Alon originally put in their planes appears to have been a manifold-type. Alon did not specify a manifold-type battery in the type certificate, so you're looking at "materials and practices acceptable to the administrator". I don't see the problem. Both Gill and Concorde batteries are FAA/PMA'd. That is the "necessary" FAA production approval per Type Certificate 787. Who is the "they" that doesn't want your business? The Concorde RG-25 or RG-25XC are PMA sealed (valve regulated) lead acid batteries that are "fully aerobatic" construction; no spillable electrolyte or flammable gas emissions. The "XC indicates extra cranking power. (Didn't see "XLC") Such batteries should be as safe or safer (with no battery box) as the manifold type. A 337 to install same in lieu of the now-unavailable manifold type should as easy as it gets. You could also consider installing a battery box like the 8-1/2" x 5-3/4" x 8-1/2" battery box Cat. No.. I-818-000 for $84 from Wag-Aero or the 11-00105 for $92.35 from Aircraft Spruce with a 337. If these fit, then you can use the "plain vanilla" Gill or Concorde batteries. Installation instructions and venting information can be found in Ercoupe Service Bulletin No. 22 and Ercoupe Service Memorandums No. 23 and No. 44. Regards, William R. Bayne <____|-(o)-|____> (Copyright 2004) -- Today Bob Bullock wrote: In need of some advice on battery replacement. My current battery a Gill G-25M has been in the aircraft since 1997 with no problems until now and has decided to go south for the season. Wounder why? I have been told this batery is no longer available as are the two apro ved origional equip batterys Exide AC54 and a Reading R24L. Can't find a listing for an approved battery. I found a Concord RG25XLC but they won't sell it to me unless I can find documentation that this battery is approved. I understand It needs to be a manifold vented battery or a sealed type battery. Anyone out there have any paperwork on this problem, I need to take care of this ASAP. This grass strip has finally dr ied out and the weather is beautiful. Thanks Bob Bullock 1966 Alon A2 serial #A 221 Maryland ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers-tech/
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