epsalant Posted July 13, 2015 Report Share Posted July 13, 2015 I was just reading about all the different type of flaps when it occurred to me I didn't know what my own bird has. I looked carefully, the flaps on my M20J look like slotted, but slot is pretty small, could be plain flaps... Anyone know with certainty if they are plain out slotted? Thanks. Sent from my XT1254 using Tapatalk Quote Link to comment Share on other sites More sharing options...
epsalant Posted July 13, 2015 Author Report Share Posted July 13, 2015 I was just reading about all the different type of flaps when it occurred to me I didn't know what my own bird has. I looked carefully, the flaps on my M20J look like slotted, but slot is pretty small, could be plain flaps... Anyone know with certainty if they are plain out slotted? Thanks. Sent from my XT1254 using Tapatalk Plain OR slotted? Sent from my XT1254 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Jeff_S Posted July 13, 2015 Report Share Posted July 13, 2015 Plain. While there is a slight gap between the wing and the flap, they just go down on a simple hinge and I don't believe they would qualify as slotted. Quote Link to comment Share on other sites More sharing options...
jrwilson Posted July 13, 2015 Report Share Posted July 13, 2015 According to the mighty Wikipedia they're slotted... https://en.m.wikipedia.org/wiki/Mooney_M20 Quote Link to comment Share on other sites More sharing options...
Will W Posted July 13, 2015 Report Share Posted July 13, 2015 I support the slotted idea. Quote Link to comment Share on other sites More sharing options...
KSMooniac Posted July 13, 2015 Report Share Posted July 13, 2015 Slotted Sent from my VS985 4G using Tapatalk Quote Link to comment Share on other sites More sharing options...
Jeff_S Posted July 13, 2015 Report Share Posted July 13, 2015 Well, Wikipedia may be right, although I couldn't find anything in either the POH or the Type Certificate that specified what type of flaps they are. I guess I didn't think there was enough of a gap to call them true slotted flaps but perhaps there is. Quote Link to comment Share on other sites More sharing options...
N601RX Posted July 13, 2015 Report Share Posted July 13, 2015 It seems to me the gap seals would make them plain Quote Link to comment Share on other sites More sharing options...
co2bruce Posted July 13, 2015 Report Share Posted July 13, 2015 Instructor told me slotted flaps usually have the biggest impact on flight attitude when deployed, sounds a lot like my Mooney. Trim, trim, trim 2 Quote Link to comment Share on other sites More sharing options...
fantom Posted July 13, 2015 Report Share Posted July 13, 2015 They sure look slotted..... Quote Link to comment Share on other sites More sharing options...
epsalant Posted July 13, 2015 Author Report Share Posted July 13, 2015 I don't feel so bad about not knowing ! Sent from my XT1254 using Tapatalk Quote Link to comment Share on other sites More sharing options...
bradp Posted July 13, 2015 Report Share Posted July 13, 2015 Instructor told me slotted flaps usually have the biggest impact on flight attitude when deployed, sounds a lot like my Mooney. Trim, trim, trim At least they make you trim in the right direction ... Sent from my iPhone using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
Shadrach Posted July 13, 2015 Report Share Posted July 13, 2015 It seems to me the gap seals would make them plain Wiki is for all M20s not M20J. Â I don't know what the J models flap gap seals look like, but this is what an F looks like with its flaps fully deployed. There is no question that they are slotted. Â Â Â Â 1 Quote Link to comment Share on other sites More sharing options...
N601RX Posted July 13, 2015 Report Share Posted July 13, 2015 This isn't the best picture, but it looks like the gap seals eliminates most if not all the slot. Perhaps someone has a better picture of a J model with the flaps fully deployed. I purchased a set a while back but have not got around to installing them yet, but did some trial fitting and don't remember seeing much if any gap with them down. The bottom rear part of the wing that is shaped to feed air to the top of the flap is squared off and boxed in by the gap seals. Quote Link to comment Share on other sites More sharing options...
Shadrach Posted July 13, 2015 Report Share Posted July 13, 2015 Are those stock on the J? Quote Link to comment Share on other sites More sharing options...
Guest Posted July 13, 2015 Report Share Posted July 13, 2015 Wouldn't slotted flaps move back and down on a double set of rollers like my Comanche? Whereas the Mooney flap is single acting on one hinge point. Clarence Quote Link to comment Share on other sites More sharing options...
KSMooniac Posted July 13, 2015 Report Share Posted July 13, 2015 Wouldn't slotted flaps move back and down on a double set of rollers like my Comanche? Whereas the Mooney flap is single acting on one hinge point. Clarence You're thinking of Fowler Flaps, which is a subset of Slotted Flaps. Â The displaced single hinge is typical of slotted flaps. Â Simple flaps would have a hinge within the airfoil section that simply droops the flap element, vs. rotating aft & down. 2 Quote Link to comment Share on other sites More sharing options...
Shadrach Posted July 14, 2015 Report Share Posted July 14, 2015 ^^^^^this. The flaps rotate about a hinge point the is below and slightly aft of where they meet the trailing edge of the airfoil section. They actually travel on an arc. Quote Link to comment Share on other sites More sharing options...
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