Losing pressure in your tires is normal. This occurs because we are stuck
in the 50's and still using natural rubber instead of synthetic rubber. You
will notice that they deflate at the same rate.

Jimmy
"Paul Lee" wrote in message
om...
What is the proper pressure to use with 5.00-5 mains and 10x3.50-4 nose
for a 2250 gross canard plane?

Another related question: both mains tend to loose air slowly - would
be flat after about 3 months sitting. Is this typical or should I get
new tubes?

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Paul Lee, SQ2000 canard project: www.abri.com/sq2000