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 April 11, 2017

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Flaps
The flaps are built like a mini-wing. There is a main spar that ribs attach too that are covered by a top and bottom skin. The rear spar of the flap is formed into the bottom skin and riveted to the back of each of the ribs. The top skin has the trailing edge bend in it and it overlaps the bottom skin where the rear spar is formed. It also protudes forward as a gap seal between the flap and the top wing skin.

December 17, 2001 - 1.3 hours
Cleaned up a little, got all the Flap parts out of storage and started fabricating the little reinforcement brackets.

December 18, 2001 - 1.5 hours
Finished fabricating the reinforcement bracket and started deburring all the edges of the flap parts.

This is the reinfocement bracket that rivets to the front of the flap spar on the inboard side.

December 19, 2001 - 1.5 hours
More deburring of flap parts

December 30, 2001 - 1.4 hours
Deburred the edges of the flap skins

January 3, 2002 - 1.1 hours
Fabricated the little F-708 spacers and and started fitting the ribs to the flap skins and spar.

January 8, 2002 - 1 hours
Drilled the flap ribs to the bottom skin and drilled the hinge to the bottom skin and spar.

Ribs drilled and clecoed to the bottom skin of the left flap.

January 12, 2002 - 1.2 hours
Finished drilling all the skins to the spar and ribs. Also drilled the little bracket to the forward side of the spar.

January 20, 2002 - 2 hours
Finished bending, drilling, countersinking and deburring all of the parts on the left flap.

January 21, 2002 - 2 hours
Still drilling holes in flaps but now I am on the right one.

January 22, 2002 - 1.3 hours
Drilled the top skin to the right flap ribs and spar and started drilling the brackets to the inboard rib.

January 27, 2002 - 4 hours
Finished drilling all the holes in the flaps, dimpled all the holes in the flaps and got all the parts scuffed and ready to prime.

February 9, 2002 - 1.45 hours
Primed all the parts of both flaps.

February 10, 2002 - 4 hours
Riveted the actuator brackets onto both flap spars and inboard ribs. Started riveting the left flap together.

Detail of the little shim that I had to put behind each flap rib to get the spacing just right.

This is what the bottom of the left flap looked like when I gave up for the evening.

Photo of the actuator brackets riveted to a rib and a spar.

February 11, 2002 - 2.5 hours
Finished riveting the left flap together.

This is a bad picture meant to show how I cut off three of the hinge rings to allow for a two piece hinge pin istallation. I'll try to get a better picture later.

The finished left flap.

February 12, 2002 - 1.25 hours
Riveted the ribs to the bottom skin of the right flap

February 17, 2002 - 3.75 hours
Finished riveting together the right flap.


Disclaimer:
This web site and the infomation contained within it are for entertainment purposes only. The opinions expressed on construction techniques are my opinions only and should not be confused with proper construction techniques. There is undoubtedly more than one way to build an airplane and some methods that I use may or may not work in any given circumstance. If there is any question please call the kit manufacturer. I love to help but I am not responsible for the misuse of any information contained on this web site.

 March 3, 2016
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