Awesome info, thanks everyone I'll consider this case closed. On Fri, Apr 19, 2019, 1:46 PM Chris Kinnaman via KRnet <krnet@list.krnet.org> wrote:
> Flaperons are ailerons that can both be drooped from typical angle to > act as flaps while retaining independent (opposite motion) control as > ailerons. Many gliders have them, and also have the capability of > reflexing them up at the trailing edge from typical to flatten out the > airfoil's camber line for lower drag at higher speeds. > > > On 4/19/2019 10:44 AM, Max Power via KRnet wrote: > > You refer to flaperons - is that what the original builder did with the > > ailerons? Can the angle of both ailerons be changed together to affect > > glide path and drag like flaps? > > > > Chris > > > > I was under the impression that if the craft didn't have flaps or the > > control surface took up the the majority of the wing that the technical > > term should be flaperons, I may be incorrect. > > I had been mentally designing a way to be able to alter their linkage to > > act similar to the conventional flap and that's what led me to my main > > question actually. If I figure out that solution with redundancy, you'll > be > > the third to know after me and the patent office. Thanks > > > > I totally get that some think of this as splitting hairs but I'm not > > talking about every Cessna or something the RAF has that was designed by > a > > team of engineers. If it's a negligible impact I'll understand, if there > > has ever been a study on this effect or if it even has a name I don't > know > > and couldn't locate. > > I forget the exact figures but a car with toe-out of .05" has the > > equivalent of directly dragging the tire sideways 5 feet over the course > of > > a mile and in a liquid fluid medium like a boat you notice there's a > small > > adjustable fin under the anti-cavitation plate, that is to remedy what I > > guess you'd call torque steer due to the density being higher at the > lower > > point of the propellers range of motion, yes that is in a fluid medium > 100 > > times more viscous then air but that's also present at 100 times slower > > speeds. > > I am aware of the principles of flight, lower pressure over the top of > the > > wing, lower pressure is also a way of saying vacuum, suction cups create > > vacuum but it's not a pinpoint effect, it's spread over a larger area > > that's why I'm calling it residual lift reaching the flaperons. Cessna > > flaps are what maybe 15% surface on that wing? The first notch is what > > maybe 2" movement? So what's the effect on a 80% surface of .5"? Again > > these are exaggerated numbers. > > > > On Fri, Apr 19, 2019, 10:15 AM Flesner via KRnet <krnet@list.krnet.org> > > wrote: > > > >>> Slop was a poor choice of words, maybe flex describes it better? > >> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > >> > >> It appears you're putting more concern in to this than what problem > >> exist. My wings and control system are standard plans built, closed > >> loop cables / pulleys, bell-cranks/ stick assembly, etc. There is such > >> a thing as "build up of tolerances" where the "tolerance" at each > >> location adds up to an unsatisfactory total. In our situation I think we > >> can accept "microns" of tolerance. > >> > >> The primary source of lift on the wing is the low pressure on the top > >> surface causing the standard atmosphere pressure on the bottom to be > >> greater. We call the result "lift". My ailerons are rigged to match > >> the cutout in the wing from whence they came. I can not detect any > >> change in flight of the ailerons going out of rig due to the lift being > >> created. Remove as much "play" from the system as possible, rig the > >> ailerons correctly, and go fly. > >> > >> If micron dimensions are a concern, don't go to the airport and wiggle > >> control surfaces on the Cessna and Piper aircraft on the ramp. It might > >> scare the hell out of you. Concern is good. Unnecessary concern can > >> keep you grounded. > >> > >> Larry Flesner > >> > >> > >> _______________________________________________ > >> Search the KRnet Archives at > >> https://www.mail-archive.com/krnet@list.krnet.org/. > >> Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. > >> see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to > change > >> options. > >> To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org > >> > > _______________________________________________ > > Search the KRnet Archives at > https://www.mail-archive.com/krnet@list.krnet.org/. > > Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. > > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to > change options. > > To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org > > > > > > > _______________________________________________ > Search the KRnet Archives at > https://www.mail-archive.com/krnet@list.krnet.org/. > Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options. > To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org > _______________________________________________ Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/. 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