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Dan_San_Abbott · 12 June 2005, 02:14 PM

Taz;
From what I have read the sesquiplane was the a means of providing rigid bracing to a parasol wing configuration and instead of fairing the beam a narrow wing was used to compilment the upper wing. With the single spar in the lower wing creats a different problem in when in a dive, the center of pressure moves aft and it causes the wing to rotate about the spar. The failure occurs in the attachment of the wing to the fuselage or the V type interplane struts. Pfalz resolved the problem by increasing the chord of the lower wing that would allow a two spar structure. I don't classify the Pfalz D.III/D.IIIa as a sesquiplane, but a biplane.
I understand the the V strut Nieuports had the same problem as the V struts Albatros aircraft.
I had a Great time at the Bar-B-Que, I wish you could have been ther.
Blue skies,
Dan

12 June 2005, 02:14 PM	#8 (permalink)
Dan_San_Abbott Rest in Peace Join Date: Aug 2001 Location: Ceres, California Posts: 9,119	Sesquiplane concept. Taz; From what I have read the sesquiplane was the a means of providing rigid bracing to a parasol wing configuration and instead of fairing the beam a narrow wing was used to compilment the upper wing. With the single spar in the lower wing creats a different problem in when in a dive, the center of pressure moves aft and it causes the wing to rotate about the spar. The failure occurs in the attachment of the wing to the fuselage or the V type interplane struts. Pfalz resolved the problem by increasing the chord of the lower wing that would allow a two spar structure. I don't classify the Pfalz D.III/D.IIIa as a sesquiplane, but a biplane. I understand the the V strut Nieuports had the same problem as the V struts Albatros aircraft. I had a Great time at the Bar-B-Que, I wish you could have been ther. Blue skies, Dan Last edited by Dan_San_Abbott; 12 June 2005 at 03:01 PM.