​
pipe length estimate (m)
0.25
pipe radius estimate (m)
0.006
end-correction radius factor estimate
0.6
speed of sound estimate (m/s)
343.
wind pressure estimate (Pa)
220.
air density estimate (kg/m^3)
1.2
open pallet area estimate (m^2)
0.00004
active channel count estimate
2
reservoir volume estimate (m^3)
0.0015
crank rate estimate (rpm)
45.
crank-to-barrel gear ratio estimate
1.
barrel radius estimate (m)
0.04
pin spacing along barrel estimate (m)
0.006
follower lift estimate (m)
0.002
follower clearance estimate (m)
0.0005
Barrel organ pinned-program and pipe-rank relationship study
Reference only: every numeric input is an estimate pending measurement.
branch
frequencyHz
open-open flue pipe
666.796
stopped flue pipe
338.131
open-open relationship
stopped relationship
Estimated pin event rate: 31.416 events/s
Estimated pallet motion margin: 0.00150 m
Estimated windchest flow: 0.00153 m^3/s
Estimated reservoir time: 0.979 s