On 7/11/2022 10:44 AM, Craig Williams wrote:
Datum is 48" ahead of the firewall.
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
Also, double check the distance from the datum to the scales. Your
distance to the tail wheel seems a bit far. Mine is 10" less than yours
and my datum is the forward face of a 5" prop extension and my fuselage
is a 24" stretch. Seems like 38" from my firewall to the forward face
of my prop extension is a bit short. Just double check the distance to
the scales. Most accurate way for main wheel scales is to strike a line
between axles and measure down the center line of the aircraft to a plum
bob at the firewall + 48". Same on the wing lead edge, Plumb bob
both sides then strike a chalk line between the two. To eliminate error
make all measurements down the aircraft center line. Lastly, have
someone double check everything you've done before making an rash
decisions.
Larry Flesner
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