Eagler's Nest
Airframes => Single Seaters => XL => Topic started by: 914pete on August 03, 2020, 11:20:19 AM
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Hi, it looks like the aileron hinge blocks are marked out at 5/8" tall on page 49 of the XL plans however, the Ironside supplemental plans show them at 1.75" tall. Big difference. Can someone clarify for me please. Also, the plans call out for a "metal bushing" with a 1/4"ID for the hinge block. Any suggestions on the type of metal? Thanks in advance!
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914Pete, the bushing is cooper or brass from a hobby shop with a 1/4" inside diameter or you can make them out of delrin(3/8ths outside diameter x 1/4 inside diameter}. The deminsions for 4 of the aileron blocks is on page 49 of my plans and the one on each end of the wing is on page 50. This block is to fit the width of the last two ribs x 1 inch wide. The other blocks are tapered from 1 inch x 2 1/2 inch where they glue on the aileron rib down too 5/8ths x 1 inch. I hope I am explaning this corectly! Good luck. Scott in Iowa has drawings of these blocks and the delrin bushings.
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On page 52 of my XL plans there is a better drawing. As far as bushings, I found some bronze bushings at Home Depot. They are 1/4" ID 3/8" OD and about 1" long. I'm putting two bushings in each block with the excess cut off.
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914Pete, the bushing is cooper or brass from a hobby shop with a 1/4" inside diameter or you can make them out of delrin(3/8ths outside diameter x 1/4 inside diameter}. The deminsions for 4 of the aileron blocks is on page 49 of my plans and the one on each end of the wing is on page 50. This block is to fit the width of the last two ribs x 1 inch wide. The other blocks are tapered from 1 inch x 2 1/2 inch where they glue on the aileron rib down too 5/8ths x 1 inch. I hope I am explaning this corectly! Good luck. Scott in Iowa has drawings of these blocks and the delrin bushings.
Ok, yes, so I'm looking at the aileron end rib blocks page 49 that are 1"x2.5" wide at the base which is glued to the 1/4" thick aileron end rib, and I guess 1"x1" at the top(?) but how tall are they from the base to the top? How far do they stand off the end rib? It looks like in the drawing I have below, page 49, there's a line at the base, a line at the top and 5/8" written in between.
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On page 52 of my XL plans there is a better drawing. As far as bushings, I found some bronze bushings at Home Depot. They are 1/4" ID 3/8" OD and about 1" long. I'm putting two bushings in each block with the excess cut off.
OMG...Thanks! Page 52 didn't make it from the master binder to the table. I had all the tools set up to make these and was stuck on page 49. 1.75". Got it. Thanks fellas!
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914Pete, the bushing is cooper or brass from a hobby shop with a 1/4" inside diameter or you can make them out of delrin(3/8ths outside diameter x 1/4 inside diameter}. The deminsions for 4 of the aileron blocks is on page 49 of my plans and the one on each end of the wing is on page 50. This block is to fit the width of the last two ribs x 1 inch wide. The other blocks are tapered from 1 inch x 2 1/2 inch where they glue on the aileron rib down too 5/8ths x 1 inch. I hope I am explaning this corectly! Good luck. Scott in Iowa has drawings of these blocks and the delrin bushings.
There are several ways to skin the cat here, and they have been covered pretty well, Please not, delrin loves steel, that is when both are smooth (bore of the bushing and the bolt face) they will last as long as the plane. The reason I did it they way I showed was the fact I could build in the "spacer" and have friction free surface for the life of the plane. And of course weight, while only being in grams, is just that a few less grams...