>From previous posts, my understanding the 13b can come in from 315 lbs
to approx 350 lbs depending upon the variables, as Paul mentioned and
as you could possibily guess. I'd probably use the higher number to be on
the safe side.
As for the Lyc 360 - wouldn't have any idea, let us know what you come up
with.
George (down under)

John Slade wrote:

I'm told that the 0-360 Lyc weighs in at around 310 not including prop
extension.
I weighed my '93 13B REW and accessories on a UPS scale as follows:

Engine less oil pan    178
Smog pump                    7
Starter                             8
water pump                   10
Alternator                     11.5
total                             214.5

Add in the redrive at  35 lb, the mount plate at 5 and about 5 lb of water
and we come to about 260 lb for the 13B compared with the Lcy at 310.  Of
course there will be other items like prop extension, oil and mount, but
these will be about the same on both. So, if we have a difference of around
50 lb, does this mean I should mount the 13B aft of the plans point for the
Lyc to keep the airplane C of G in the same place? If the recommended engine
C of G is x inches from the aircraft C of G how far aft should the 13B go
back to compensate for 50 lb? Can someone tell me how to make these
calculations? I'm thinking that I might be able to move the engine back and
shorten (or do without) the prop extension. ....or am I being a bit anal in
trying to calculate all this stuff?
John Slade

You have to do a weight and balance type calculation John. You multiply
the distance from the firewall to the CG of each engine times their weight.

Paul Lamar
 
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