Miles Heiner
Active Member
Why do the Long-EZ and Varieze have anhedral in the main wings?
Actually the Long-EZ does not have anhedral but the VarieEZ does. The Long EZ deals with the excessive dihedral effect in a different, and really cool, manner. The dihedral effect due to sweep is not quite the same as the effect of actual dihedral and directional stability of swept wings is very speed sensitive because of it. The swept wing develops two speed (actually Cd and Cl) dependent moments. the skid/yaw moment and the skid/roll moment.Why do the Long-EZ and Varieze have anhedral in the main wings?
Klaus Savier has used a thinner canard. I do not think anyone has changed the main wing airfoils. Any main wing airfoil that results in a more abrupt stall or higher stall speed could be hazardous. You never want wing-stall in a canard airplane.Has anyone in the group or anyone for that matter changed the airfoil on the VE/LE design. A thinner airfoil at the expense of higher landing speeds but with a trade for higher cruise speeds seems ideal for what I want. Thoughts?
Or increase the speeds for takeoff and touchdown?Are you sure you want to add takeoff and landing distance to an Eze?
I am very very comfortable with a 130knts or more approach speeds. Vrot speeds of 120knots are also okay. I doubt a thinner wing on an EZ will come to that.Or increase the speeds for takeoff and touchdown?
To elaborate: Spin up loads on landing gear and heat capacity of brake discs are not trivial factors.Higher take off and landing speeds may require mods to the wheels and landing gear.
". . . because there's no possibility I'll ever have to set this single-engine plane down anywhere but on a runway" . . .(?)Lets assume landing and takeoff distances aren't of concern.
And on how many occasions do off-field landings result in putting the aircraft on a long stretch of road wide enough and without traffic? Your statement assumes that an aircraft requiring a shorter takeoff and landing requirement will always find that ideal size road or field to land in an emergency. Is that how it really works?". . . because there's no possibility I'll ever have to set this single-engine plane down anywhere but on a runway" . . .(?)