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In accordance with advice from Aero Electric and numerous builders, I plan
to use 2 Panasonic 1217 RG batteries in my IVP.  Becuase I'll be using the
Engineair V8 instead of the Continental or Lycoming engines, I haven't found
reliable data about where or if I can put these small batteries on the
firewall.

If there is anyone who has experience with these batteries in combination
with the V8, would you please share info on  battery placement?  I'm told by
Jim Rahm and some other builders that there is no  room in the engine
compartment, but I think maybe everyone I've asked is using  standard
aircraft batteries.

If indeed the batteries wont' go forward of the firewall, could they be
mounted on the forward face of the spar box underneath the pilot and
copilot's seats?   What would be the drawbacks of placing them here?
Advantages include keeping CG forward and reducing the length of large wires
thereby reducing weight and internal resistance in the starting circuit.

Advice appreciated.

Regards,
John Barrett

LML website:   http://www.olsusa.com/Users/Mkaye/maillist.html
Builders' Bookstore:   http://www.buildersbooks.com/lancair

Please send your photos and drawings to marvkaye@olsusa.com.