WGUNN(at)dot.state.tx.us
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 Posted: Mon Apr 28, 2008 11:46 am Post subject: Battery Location - RV4+180HP+CS+ETrim+FullSwivelTailwheel |
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Matt - I replace an 0-320 & F/P wooden prop with an 0-360 & Hartzell C/S. On advise of Van's, I left the battery where it was & find the CG is fine - mine is 67.16 aft of datum (at) 1030 Lbs. empty. Originally it was 70.03 (at) 916 Lbs. with the 0-320 & F/P prop. N252MD, 2160 hours.
Bill Gunn, TxDOT Aviation Division
| Quote: | >> Matt Dralle <dralle(at)matronics.com> 4/28/2008 1:41 PM >>>
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Hello RV Listers!
Well, after quite a hiatus, I'm back on my RV-4 project. This year marks the 20th year since its beginning, and I'm thinking that that its time finally see it to completion!
The options have changed quite a bit since I started the project, and the latest iteration has a 180HP and a Hartzell CS prop. I had already mounted the battery in the normal spot up by the firewall between the pilot's legs. With all the extra weight up front, I'm sure I'll have to relocate the battery behind the cabin somewhere. Of note, however, is that I have electric trim installed in the Elevator, and the full-swivel tailwheel fork, both of which add some weight to the far aft location.
I would appreciate some feedback on selecting an exacting location for the battery given my situation. Also, what gauge battery cables to use given the remote location.
Its great to be back on the project; I'm looking forward to getting back into the discussions on the List!
Thanks for the help!
Matt Dralle
RV-4 #1762 - N442RV (res)
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