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on 4/1/03 7:12 PM, Hartmut at [EMAIL PROTECTED] wrote:

> 850 Pounds for a 415-G ??? I doubt it.
> 
> I just recently weighted my paintless (all polished metal except the
belly and
> the underside of the wings) and found it to be 920 pound heavy, tanks
empty.
> That plane has no gyros, except the T&B and standard instrumentation,
plus
> Nav/com and transponder.
> With full tanks and two peole  I am already over gross.
> I wonder how much weight paint really adds.
> 
> Hartmut N3330H

The 415-G figures listed in a reproduced Sanders brochure for 1949 (Touch
of
Class, p. 252) show an "approximate" empty weight (new) of 838 lbs.  This
included 3.5 lbs. for aileron balance weights few still retain.  If you
have
a metal prop, add 16 lbs.  If you have metalized wings, your empty weight
is
increased 32-36 more lbs.  Six ply tires weigh more than four ply, and
premium tires end to weigh more than economy ones.  Worst of all usually
are
recaps.  A 35-amp battery, non-standard sound deadening and upholstery,
thicker sidescreens and rear windows, older radios and transponders,
antennas, landing and taxi lights, rotating beacons/etc., and accumulated
interior oily dirt are common sources of "invisible" weight increases that
can really add up.  Some ELT units are much heavier than others, too.

Compared to the above, modern gyros are well worth their (installed)
weight.

Regards,

WRB

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