Aluminium Leadin edge
Aluminium Leadin edge
(OP)
Hello its my first job as enginner and I have to search solutions to protect my aluminium leading edge against erosion, corrosion, birdstrike ....
If you can give me some link to visit or opinions I would be grateful, thanks for all
If you can give me some link to visit or opinions I would be grateful, thanks for all





RE: Aluminium Leadin edge
RE: Aluminium Leadin edge
RE: Aluminium Leadin edge
what type of plane are you working on ? kit-build, Part23, Part25, ??
can you look at a similar plane ??
RE: Aluminium Leadin edge
RE: Aluminium Leadin edge
you can make a metal leading edge, 2024T3, 7075T73 would be typical alloys. or you can "protect" the wingbox with a kevlar leading edge, typically much lighter than Al, better for bird strike. but kevlar LEs are difficult to de-ice, typically pneumatic (inflatable) bladders are filled to them; Al LEs can be thermally anti-iced (ie blow hot air on the inside of them, to melt the ice on the outside).
what type of plane ?
RE: Aluminium Leadin edge
B.E.
RE: Aluminium Leadin edge
(regarding far25)
i agree with rb1957 with alloy to be used. however according to the size of the wing and the performances of the wing you want, you will whether go for 2000 series or 7000 series alloy (depending on fatigue and static properties of materiels and temperature levels expected).
to answer the bird strike: more and more suppliers are performing crash simulations.and according to what you need to protect behind your LE, you ll have to adjust the rib pitch and skin thicknesses.
of course your design must be validate by test.
RE: Aluminium Leadin edge
RE: Aluminium Leadin edge
depending upon the type of plane you're working on you Can use Al alloys for the LE But it probably won't be very good for bird-strike, Or if it is then it'll be very heavy.
the key geometry feature is the radius you can create for the LE skin, the smaller the better for birdstrike.
but there are other things to consider, like icing protrction.