Pou du Ciel Build Log

Other duties as assigned

My Pou du Ciel project is moving a little slowly right now, as our spring money and time is being devoted to getting our grounds productive. Chickens, rabbits, alfalfa, oats, and a garden are the order of the day.

Photos:

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Pou du Ciel Build Log

Cleaned up glue on leading edge

Cleaned up glue on leading edge of rudder.

Photos:

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Pou du Ciel Build Log

Glued curved portion of leading edge

Glued curved portion of rudder leading edge.

Pou du Ciel Build Log

Cleaned up

Trimmed extra gusset length, cleaned up extra glue.

Pou du Ciel Build Log

Glued first leading edge strip

Glued the first leading edge strip and its remaining gussets.

Pou du Ciel Build Log

Glued a few gussets

Had a little T-88 and a few minutes left from another task, so I glued a few gussets on. They'll help align the leading edge when I do it tomorrow.

Pou du Ciel Build Log

Cleaned up rudder assembly, prepared leading edge

Removed excess glue. Beveled leading edge strips and cut gussets.

Pou du Ciel Build Log

Glued rudder ribs to spar

Glued rudder ribs to spar. If I were doing it again, I would build the ribs in situ, as the book describes; my ribs are nice, but it was a pain to get them glued well and properly wetted.

Photos:

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Pou du Ciel Build Log

Worked on rudder

Beveled rear tips of ribs to receive laminated border. Marked positions of ribs for assembly. Marked position of hardwood blocks for later reference.

Pou du Ciel Build Log

Glued up rudder spar

Glued rudder spar caps to blocks for mounting and tailwheel.

Pou du Ciel Build Log

Assembled rudder spar jig

Made a simple jig to hold rudder spar caps and blocks in place for gluing.

Pou du Ciel Build Log

Made new rudder spars

Wasn't happy with my previous rudder spars, which didn't lay quite straight. Cut and shaped new ones.

Pou du Ciel Build Log

Rebuilt wing rib jig

Rebuilt wing rib jig. Screwed up a nosepiece.

Pou du Ciel Build Log

Bent cap strips

Soaked and bent cap strips.

Pou du Ciel Build Log

Ripped cap strips

Ripped more cap strips.

Pou du Ciel Build Log

Finished rudder ribs

Finished making rudder ribs.

Photos:

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Pou du Ciel Build Log

Two more rudder ribs

Made two more rudder ribs.

Pou du Ciel Build Log

Cleaned up rudder rib and made another

Routed away excess plywood and filed off excess glue. Glued another rib and cleaned that up too.

Pou du Ciel Build Log

Tapered rudder spar

Cut a taper in the rudder spar caps.

Pou du Ciel Build Log

Glued up a rudder rib

Glued up a rudder rib the American way: under innumerable tiny lead weights.

Photos:

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Pou du Ciel Build Log

Built rudder rib

Built a rudder rib and found that the nails split the cap strips. I'll have to use weights.

Photos:

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Pou du Ciel Build Log

Made rudder rib jig and cut web plywood

Made a dirt-simple jig for the rudder ribs and cut ply into strips for webs.

Pou du Ciel Build Log

Cut rudder spar caps

Ripped, cut, and shaped rudder spar caps.

Photos:

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Pou du Ciel Build Log

Bent cap strips

Bent a couple scrap cap strips to build a test rib.

Pou du Ciel Build Log

Made bending jig

Seems that I will in fact have to soak or steam upper rib cap strips. Built a jig to put them in after I do so.

Photos:

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Pou du Ciel Build Log

Ripped cap strip wood

Continued ripping wood for rib cap strips.

Pou du Ciel Build Log

Cut rib cap strip material

Cut rib cap strip material to thickness. Not yet cut to width.

Pou du Ciel Build Log

Fitted baggage compartment floor again

Fitted baggage compartment floor and glued support cross-piece. Adjusted fit of seat back members.

Photos:

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Pou du Ciel Build Log

Baggage compartment floor

Started fitting supports for baggage compartment floor and the floor itself.

Pou du Ciel Build Log

Fitted seat-back members

Fitted seat back members. Squared and aligned rear longerons.

Photos:

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Pou du Ciel Build Log

Joined rear point

Joined rear point with steel fitting. (Those are temporary screws in the picture.)

Photos:

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Pou du Ciel Build Log

Cut tail post and bracket

Cut tailpost. Cut steel for lower tailpost bracket.

Pou du Ciel Build Log

Rejigged fuselage

Set fuselage up to align rear point.

Pou du Ciel Build Log

Screwed in seat and glued supports

Screwed in the seat bottom and glued on the stiffeners.

Photos:

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Pou du Ciel Build Log

Cut hole in pilot seat

Cut hole in seat bottom for stick using a Dremel circle cutter. It's a much better tool than my circle cutting compass - faster and easier on the hands.

Pou du Ciel Build Log

Ruined lyre branch

Finished cutting lyre branch and attempted to fit it. Cut the part that fits between the plywood layers so badly it couldn't be repaired.

Pou du Ciel Build Log

Marked and started cutting lyre branch

Printed (at Staples) a lyre pattern, marked it on the maple board, and started cutting before light got too bad.

Pou du Ciel Build Log

Drafted out lyre to print pattern

Drafted out a lyre that should fit. Will print pattern.

Photos:

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Pou du Ciel Build Log

Fitted seat bottom

Fitted a seat bottom. Need to cut hole and add reinforcing members.

Pou du Ciel Build Log

Little things

Removed excess glue, checked angle of members to which lyre fastens, cleaned up a bit with file.

Pou du Ciel Build Log

A couple fixes

Because I glued the bottom cross-piece to the wrong side of the seat, I added a seat support on the correct side. Also a shim to level a slight misalignment of one side bar. Also cut a seat bottom - too small.

Photos:

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Pou du Ciel Build Log

Cleaned up excess glue

Cleaned up a lot of excess glue.

Pou du Ciel Build Log

Removed fuselage from jig

Removed fuselage from jig and cleaned up some excess glue.

Photos:

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Pou du Ciel Build Log

Glued final under-seat bulkhead

Glued the rear under-seat bulkhead

Pou du Ciel Build Log

Glued many cockpit-area pieces

Glued reinforcing circles, middle cross piece of seat back, rear bulkhead lower member, front bulkhead, and rear bulkhead top member.

Photos:

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Pou du Ciel Build Log

Glued under seat parts

Fitted new front bulkhead. Glued lower member of front bulkhead, next member with gussets, and lower member of seat back.

Pou du Ciel Build Log

Completed fitting under-seat members

Finished fitting all under-seat members.

Photos:

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Pou du Ciel Build Log

More under-seat work

Cut lightening holes in front bulkhead. Fit new rhomboid piece and gussets to match. Measured for final under-seat bulkhead.

Photos:

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Pou du Ciel Build Log

Bought okoume plywood

Bought 6mm okoume ply for seat bottom and flocking for epoxy.

Pou du Ciel Build Log

More under-seat pieces

Fitted two more cross-members and cut front bulkhead to fit.

Photos:

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Pou du Ciel Build Log

Fitted seat back ring and began forward bulkhead

Fitted top seat back ring. Measured for front bulkhead. Fitted lower member of unusual section to accommodate error in joining frontmost verticals.

Photos:

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Pou du Ciel Build Log

Fitted parts behind seat back

Cut and fitted reinforcement ring, middle crosspiece, and rhomboid lower member behind seat.

Photos:

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Pou du Ciel Build Log

Glued and nailed back of seat

Glued and nailed back of seat in place.

Photos:

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Pou du Ciel Build Log

Fitted seat back

Fitted seat back and cut lightening holes. Not very satisfied with my cutting compass.

Photos:

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Pou du Ciel Build Log

Cut seat back

Determined dimensions for seat back and cut to shape.

Photos:

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Pou du Ciel Build Log

Squared up the fuselage

Got the fuselage sides squared up on the workbench. You can't argue with a couple actual squares nailed to a level workbench!

Photos:

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Pou du Ciel Build Log

Tried new failed jig ideas

Tried to use cables and turnbuckles to square fuselage, but couldn't get it stable without using too much tension. Got useful experience with Nicopress tool, though.

Pou du Ciel Build Log

Remeasured and rejigged fuselage

Found I had missed my measurement the first time. Started from scratch and got it right. Cut practice scarf joint with file preparing for when I fit rear plywood.

Pou du Ciel Build Log

Started jigging fuselage sides

Started jigging up fuselage sides on leveled table.

Photos:

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Pou du Ciel Build Log

Laid out alignment lines

Checked table straightness and laid out alignment lines for joining fuselage sides.

Pou du Ciel Build Log

Cleaned up excess glue

Cleaned up excess glue with sanding blocks, chisel, plane, jackknife --- whatever works!

Pou du Ciel Build Log

Practiced cutting lightening holes

Sharpened a compass' legs to a knife-edge and a sharp point, respectively, using a grinder. Cut a couple holes in scrap plywood. It worked pretty well.

Pou du Ciel Build Log

Fitted and glued last bits before joining sides

Fitted and glued the last bits before joining the sides: the final under-seat flange (one of which was made by my eldest daughter), the hardwood reinforcement behind and below the pilot's seat, and the tapered reinforcements at the sides of the cockpit top.

Pou du Ciel Build Log

Fitted and fastened under-seat flanges

Fitted under-seat flanges, glued and nailed them.

Photos:

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Pou du Ciel Build Log

Cut tapered reinforcements for top longeron at cockpit

Cut tapered reinforcements for top longeron at cockpit using table saw and sander.

Photos:

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Pou du Ciel Build Log

Trimmed inside cockpit panels

Trimmed inside cockpit panels with the router. Will file landing-gear cutout to fit gear spring when it is shaped and ready.

Photos:

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Pou du Ciel Build Log

Purchased maple for landing-gear spring

Purchased a piece of maple milled to 1×2⅜×60 to serve as a landing gear spring.

Pou du Ciel Build Log

Glued inside-cockpit side panels

Sealed enclosed areas around inside-cockpit side panels and glued and nailed them into place.

Pou du Ciel Build Log

Made inside plywood sheeting

Cut and fitted the plywood sheeting in the front of the cockpit. Also helped my 9-year-old fit a small member to support the under-seat bulkhead.

Pou du Ciel Build Log

Cleaned up pads, routed edges, and cut holes

Cleaned up excess glue on landing-gear pads. Practiced flush-cutting plywood on scrap, then trimmed edges of flank flush with router. Drilled hole in flank for rudder cable pulley and landing-gear spring, then cut to shape with router.

Photos:

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Pou du Ciel Build Log

Cut gear spring openings and glued pads in place

Cut openings for gear spring in pads and glued them in place. Used a chisel to clean up a couple places where I got overenthusiastic with the glue spreader last time.

Pou du Ciel Build Log

Glued up second pad as well as tapered reinforcement members

Glued up second pad, fitted and glued tapered reinforcements (two of which were made my my daughter, 8 years old, and my son, 5 years old).

Pou du Ciel Build Log

Glued up landing-gear support pads

Glued up the pads to support the Sky Pup-style landing gear.

Photos:

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Pou du Ciel Build Log

Cut and fitted under-seat blocking

Glued up blocking for under seat on each side. Cut to shape, fitted, and glued.

Pou du Ciel Build Log

Fitted and glued flank

Fitted and glued second flank

Photos:

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Pou du Ciel Build Log

Removed nailing strip, marked out flank; first blood!

Removed the nailing strip from the second flank scarf joint and traced the pattern for the second flank from the first. The Pou-du-Ciel may not succeed at killing me, but it drew first blood; the nailing strip sprung back and cut my ring finger.

Pou du Ciel Build Log

Scarfed second flank

Cut and glued the scarf joint for the right flank.

Photos:

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Pou du Ciel Build Log

A note about the photos

Sorry for the quality of the last couple photos — I replaced my phone, and the new camera is not great. I'll use something else in the future.

Pou du Ciel Build Log

Glued second side

Glued the second side over the first.

Photos:

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Pou du Ciel Build Log

Finished fitting fuselage side members

Fitted remaining members over the first side, putting wax paper under each joint.

Photos:

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Pou du Ciel Build Log

Fitted members for second side

Fitted longerons and some members for the second side, building them atop The first side.

Pou du Ciel Build Log

Scarfed longerons for second side

Scarfed longerons for second side.

Pou du Ciel Build Log

Removed fuselage side from jig

Removed fuselage side from jig and cleaned up some glue. Only a small amount of jig came off with the fuselage.

Photos:

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Pou du Ciel Build Log

Glued flank to stick members

Glued and nailed the flank to the fuselage members in the jig.

Photos:

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Pou du Ciel Build Log

Cut flank to shape

Cut flank to shape. Used a 580mm radius for the curve of the underside of the nose.

Photos:

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Pou du Ciel Build Log

Ruined and redid flank scarf joint

Tried to use power planer to remove excess glue from flank scarf joint and instead removed a line of the outer ply. Cut piece off behind joint and fitted and glued a new scarf joint.

Pou du Ciel Build Log

Glued scarf joint

Glued scarf joint for flank.

Pou du Ciel Build Log

Marking out and scarfing flank

Worked on marking out and scarfing the plywood for the left flank. Ready to glue.

Photos:

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Pou du Ciel Build Log

Cleaned up glue joints, cut practic