Raw Materials

Synthetics

• One sheet of three-quarters inch thick structural foam, two feet by four feet (hull). [Aircraft Spruce and Specialty]
• One sheet of one-eighth inch Lexan, six inches by two inches (fin edge, sail servo arm, mast step, bowsers, battery box).
• One square yard of .75 oz fiberglass (hull).
• One square yard of 2 oz fiberglass (hull).
• Two yards of 1.9 oz uncoated ripstop nylon (sails). [Seattle Fabrics]
• One foot of .05 dia Teflon tubing (Linville blocks and sails). [Small Parts]
• One plastic soda straw (under deck fairleads).
• One foot three-sixteenths heat shrink tubing (rig).
• One sheet of .030 acetate, one inch by six inches (foresail battens).
• One sheet of "Funky Foam" craft foam (hatch seal).

Wood

• One sheet of one-eighth inch aircraft plywood, six inches by six inches (hull hard points).
• One sheet of one-quarter inch aircraft plywood, six inches by six inches (servo mounts).
• One sheet of one-thirtysecond inch aircraft plywood, six inches by three feet (deck).
• One three-sixteenth inch square spruce strip, three feet long (batten).
• Twelve one-eighth inch by three-sixteenth inch spruce strips, three feet long (batten and sheer strakes, with spares; split to one-sixteenth thick for toe rail around counter stern)
• One one-quarter inch square spruce strip, three feet long (kingplank).
• Two one-eighth by one-sixteenth spruce strips, three feet long (toe rail).
• Two sheets of Medium Density Fiberboard (MDF), two feet by four feet (patterns and strongback).
• One piece of utility wood one by two inches, three feet long (strongback).

Metal

• One brass tube to fit nylon bushing (see below), twelve inches long (rudder tube).
• One one-eighth inch diameter brass road, twelve inches long (rudder shaft).
• Six feet of .035 spring stainless wire (fittings). [Small Parts]
• Three feet of .018 spring stainless wire (luff hooks). [Small Parts]
• One foot of three-thirtysecond inch O.D. aluminum or stainless tubing (spreaders and jumper strut). [Small Parts for Stainless]
• Six inches of one-eighth diameter aluminum rod (gooseneck).
• Two size 2219 arrow shafts (mast and boom). [USVMYG]
• One sheet .040 aluminum, six inches by six inches (fittings).
• One-sixteenth brass rod, one inch long (mast peg).
• Three-sixteenth square brass tube, one foot long (tensioners).
• Two thirty-six inch copper bars, one-quarter by one-half inch or equivalent (thirty oz ballast plus spare). [Online Metals]
• One foot 2-56 threaded stainless or brass rod (rudder pushrod).

Miscellaneous Parts

• One Dubro Brand No. 618 Rigging Coupler (masthead fitting).
• Ten Sullivan Brand No. 525 2-56 "Gold-N-Clevis" (tensioners, rudder pushrod, two spares)
• Nine Laker Brand #2 size ball-bearing fishing swivels (tensioners, racetrack sheet).
• Two Laker Brand #3 size ball-bearing fishing swivels (tack hooks).
• One miniature fishing line clip (racetrack sheet).
• Eight 2-56 rod adaptors (tensioners, two spares).
• Two one-eighth inch nylon bushings. Either the one-eighth inch rudder shaft should turn freely in the bushing, or the rudder tube size should be selected so that the bushing turns freely in it. A little slop is not a problem. The second bushing is cut down to form the thick washer for the gooseneck.
• One spare servo arm (rudder arm).
• One one-eighth inch I.D. brass collar with Allen Socket capscrew to set (rudder arm).

Fasteners

• One dozen 2-56 x . 25 stainless Allen socket cap screws (fittings). [Micro Fasteners]
• Two dozen 2-56 stainless nuts, small pattern (fittings and tensioners). [Micro Fasteners]
• One dozen #2 stainless washers (fittings). [Micro Fasteners]
• One dozen one-eighth inch I.D. brass screw eyes (rig).
• Three dozen #0 x .25 brass flathead screws (deck). [Micro Fasteners]
• One dozen #2 by .5 stainless Allen socket self-tapping screws (radio and rig). [Micro Fasteners]
• One #6 nylon dome nut (mast base).
• Two 4-40 nylon nuts (masthead fitting).
• One dozen 00-90 x .25 brass hex-head screws (tensioners).
• Two one-sixteenth inch stainless cotter pins (spreaders). [Small Parts]
• Four three-thirtysecond inch cotter pins (rudder linkage).[Small Parts]
• One #0 x .5 stainless screw with #0 nut (gooseneck pivot piece to boom joint. Can be replaced with one-sixteenth stainless cotter pin.) [Micro Fasteners]

Lines and Cable

• Fifty feet of thirty pound test Spectra line (rig). [Hang-Em-High]

• Thirty feet of forty pound test stainless fishing leader cable and sleeves to match (rig). [Charkbait]

Adhesives, Filler and Paint

• Twenty-five feet of 3M 9460 heat setting tape, one-quarter inch wide. (sails) [Hang-Em-High]
• Five-minute epoxy.
• One pint of laminating epoxy resin and hardener. [Aerospace Composite Products]
• Slow-setting CA glue.
• Lightweight epoxy-based filler.
• Lightweight sandable balsa filler.
• Krylon Primer, White, and Antique Brass spray paint.
• Scotch Decorate and Repair Tape, clear or white.

 

 
 
 

Because the arrow shafts are availble only in lots of 12, USVMYG will provide two shafts of the proper type for $10.00 postpaid in the U.S. only. Checks, cash or money orders to:

Yankee Spars

9219 Flushing Meadows NE
Albuquerque NM 87111

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