302 



SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE 



VOL. 27 



DATA SHEET No. 6. 



Weight of Aerodrome No. •"., Flat Wings and Penaud Rudder. 



Certified to by Chas. M. Manly, June 23, L899. 



II. p. 



Ri diam. pitch ratio x thrust 



33000 



. ption that the center ol pressure on each wing or on p.iir of wings ;it a motion of 2000 feel per 



is in 01 2-5 the way from front to rear, that for wings of usual size the rear wings have 2-3 of the 



i rid that the tail proper bears no part of the weight; but if rear wing is smaller or larger 



ir unit of smfi 



