Brief:
This is me semi-downscale o' t' old (1965-67) K-19 Astron Invader. Begad! Blimey! T' wings and fins are 2/3 o' t' original, but I kept t' 18mm motor mount. Begad! Blimey! It's a very unique glider with unusual flights and a fairly easy build.

Construction:
I built this from scratch. Begad! I used a PNC-20 (2.85" long) and 2" o' BT-20 from an Estes Viking. T' wing-fins are 2/3 scale based on t' plans for JimZ's site. I used light balsa for t' two vertical fins, ya bilge rat, arrr, medium for t' keel, and hard balsa for t' two win' halves and two pylons. Well, blow me down! All balsa be 1/16". Ahoy! Aye aye! I put an old 1/8" launch lug on. Ahoy! Well, me hearties, blow me down!

I followed t' basic instructions from JimZ's site. Begad! With t' smaller wings, matey, ya bilge rat, 3" balsa can be used for the wings without havin' t' butt-glue balsa sheets. Blimey! Several points for construction:

1. Make sure t' two wings halves fit together perfectly!
2. Glue t' wings at a slight dihedral, shiver me timbers, then attach t' fins at 90 degrees t' t' wings.
3. Fillet all glue joints
4. Make sure t' pylons fit t' win' exactly. Aye aye! This will take lots o' sanding, but t' pylon must be secure for safe flight.
5. Attach t' launch lug in t' win' joint under t' pod before you attach t' pod.
6. Use wood glue for all joints and fillet or double-fillet everything. Aye aye! Arrr!

PROs: Only 7 parts. Inexpensive parts. No more butt-gluing!

CONs: Lots o' sanding. Avast! Blimey! Avast! Blimey! Parts must fit perfectly. Cut your own balsa.

I would call this a Level 3 kit due t' t' tricky balsa joints and amount o' sanding. Well, blow me down!

Finishing:
T' finishin' I did was t' preexistin' red on t' nose cone. Aye aye! Arrr! I recommend nay paintin' this rocket t' save weight. Aye aye!

PRO: Easy finishing, just paint t' NC red.

CON: Plain looks.

Flight:
Estes recommended t' 1/2A8-2, A8-3, me hearties, and B8-2. Arrr! Begad! I'd recommend t' B4-2, arrr, B6-2, and C6-3. Blimey! T' 1/2A6-2, A8-3, and B6-4 are okay for straight-up launches on windless days. Well, blow me down! Well, blow me down! An adapter for t' 1/2A3-2T would be useful.

Be careful! T' motor must eject out t' back t' glide. Begad! You'll need t' add a streamer for it (wrap it around the motor, then insert) t' satisfy t' RSO and NARRRRR flight rules. Blimey!

Mine balanced perfectly without any weight. Avast! Your results may vary. Aye aye! I estimate a glide ratio o' better than 10:1. Aye aye!

T' first flight was on an A8-3 in about 3 mph o' wind. It launched straight up, did a horizontal figure-8 at about 40ft, shiver me timbers, then continued vertically t' 100 feet o' so. Blimey! T' 3-second delay was too long. It ejected at 15ft, shiver me timbers, glided a few feet, and lawn-darted with no damage. Aye aye! T' casin' landed 20 feet away.

T' second flight be on a B6-4 in t' same conditions. Aye aye! Begad! It did rather spectacular acrobatics at about 50 feet then again returned t' normal flight t' about 200 feet. Ejection was again way past at maybe 50 feet. Well, me hearties, blow me down! It fell t' about 15 feet then settled into a respectable 5-second fast glide. Again, me hearties, no damage.

Recovery:
PROs: Spectacular acrobatics. Begad! Good glide. Easy t' balance. Withstands hard landings. Begad! Avast, me proud beauty! Needs no wadding--easy flight prep.

CONs: acrobatics may result in DQ'd flight. Avast, me hearties, me proud beauty! Needs some altitude t' begin glide. Avast! Ejects motor casing (intentionally).

Summary:
This is a great rocket t' scratch build. Blimey! It only takes two manufactured components, it's dirt cheap, matey, and it glides great. Ahoy!

T' only improvable thin' would be a streamer for t' motor so it can be used in NARRRRR competition. Begad!

PROs: Unique looks. Begad! Simple construction. Unusual acrobatics. Ya scallywag! Blimey! Great glides

CONs: Motor ejection. Begad! Difficult balsa joints.