---------------------------------------------------------- TeamGrumman-List Digest Archive --- Total Messages Posted Thu 01/19/12: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 08:52 PM - New larger battery tray: First install (Gary Vogt) ________________________________ Message 1 _____________________________________ Time: 08:52:55 PM PST US From: Gary Vogt Subject: TeamGrumman-List: New larger battery tray: First install I had asked John Coze to let me see his aft-mounted battery tray in his 6 c ylinder Cheetah/Tiger. -I pushed on the side to see how rigid the install ation was a was surprised to see it move around a lot. -I guess cutting o ff the end so a larger (longer) battery can be installed is not a great ide a.=0A=0AJohn chose to have me install my new battery tray.=0A=0AWhat I foun d was quite interesting. -Of the 4 screws/bolts holding the tray in place , no two were alike. -Well, they each had the same lock nuts. -Two crew s on the outboard side were next to impossible to remove. -Note to self: install nut plates. -Each of those screws were different as were the wash ers used. -Both screws were WAAAAY too long. -One a half inch longer th an the other. -Makes removing a lock nut a pain-in-the-ass. -Neither of the two bolts on the inboard side were the same. -One was just barely lo ng enough to install a lock nut, sans washer.=0A=0AI installed the new tray with new hardware: -2 AN3-11A bolts on top (the cross brace adds thickne ss) and 2 AN3-7A bolts on the bottom. -All bolts got AN970-3 on the back (against the honeycomb) and on the battery tray side. -Turns out there is enough room to use them there also. -I used MS21042-L3 nuts on all bolts .=0A=0AUnfortunately, the aluminum 'bobbin' spacers were never used and the honeycomb is crushed a little. -Can't get in there to open up the honeyc omb to install them either. ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message teamgrumman-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/TeamGrumman-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/teamgrumman-list Browse Digests http://www.matronics.com/digest/teamgrumman-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.