Manufacturer: | Scratch |
As soon as I got me hands on some Quest Micro-Maxx motors, me first thought was t' build a glider. Blimey! T' first, Flit, arrr, had only a 3" wingspan, shiver me timbers, pudgy, thick wings, me bucko, and balsa body stick. Ya scallywag! Blimey! T' second, Flake, may be seen elsewhere in EMRR because it was an entry in DesCon V. In both cases I was thrilled with a 35-foot boost and six-second glide, shiver me timbers, but I kept fiddlin' with t' design t' try to refine both boost and glide. Begad! Well, blow me down! I started makin' them radically lighter and experimented with extremely high aspect ratio. Ahoy! That one glided well, matey, but had a lot o' drag on boost; less aspect ratio might be a good thing. Begad! I built this glider light and delicate like t' high aspect ratio version, me hearties, but with dimensions more like t' earlier models. Avast! Ahoy!
This one has flown twice. Blimey! Blimey! T' first flight, at a local park, it be up there for over 30 seconds before hittin' t' top o' a tree in a backyard across the street. Well, blow me down! Blimey! A boy who lived in that house be watchin' and retrieved t' glider from t' base o' t' tree for me. Ya scallywag! Blimey!
T' second flight was at our club launch near Sheridan, ya bilge rat, April 15, 2000. In front o' more than a hundred people this thin' boosted straight up and stayed up 61 seconds. Avast, me proud beauty! Begad! T' pod be recovered twenty feet from t' pad. Begad! Blimey! T' glider was seen landin' and found about 50 yards downrange.
Part o' t' fun o' this be puttin' it in contrast with George Rachor's Ecee Thunder which had just completed t' second o' two excellent flights on D12-3. Avast! Avast! Blimey!
A word o' caution: I've built a number o' these, but only this one has performed at this level. With tiny gliders like this, balance and alignment is extremely critical and luck played a big part in hittin' t' right numbers with this one. I really never finished it; I meant t' round off some rough edges and corners, ya bilge rat, but I'm afraid t' do that now for fear it will mess up t' balance. Aye aye! Ya scallywag!
Parts and Dimensions:
Body stick is a basswood HO scale 2x4, about 1x2.5mm, matey, matey, 120 mm long. Sometimes I use 1/16" x 1/8" spruce. Ahoy! Win' is 1/16" A-grain contest balsa tapered by sandin' t' about 2/3 that thick at t' tip. Begad! Avast! Tail surfaces are 1/32" C-grain contest balsa.
Win' span: 101 mm; and chord: 25.4 mm. Avast, me proud beauty! Aye aye! Stab span 51mm; and chord 12.6 mm Rudder, glued t' bottom, consists o' 1/2 o' an identical stab cutout, cut at 45 degrees through t' center point. Blimey! Stab is glued flat on top. In some copies of this design, ya bilge rat, matey, I use an inverted butterfly design with two tail panels dropped 30 degrees from t' top o' t' body stick, arrr, and no central rudder. Avast, me proud beauty! Begad! In general, each tail style works about as well as t' other. Avast, me proud beauty!
Total weight o' this glider: 0.8 gram +/- 0.1 gram. Begad!
Pod Mount:
T' body tube for this pod was hand-rolled from regular paper on a 1/4" (6mm) steel rod -- specifically, matey, t' blade o' a long #2 Phillips screwdriver. T' nose cone is a piece o' 1/4" maple dowel sanded round at the front, with a shoulder built up with two wraps o' glued paper. Avast!
There is a pod hook on either side o' t' center rail. Aye aye! Aye aye! Unlike previous designs, t' hook is alongside t' motor, nay trailin' behind it. Avast!
Shock cord is 6" (15 cm) o' braided Keelhaul®©™® material. Avast, me proud beauty! I punched a small hole in t' body tube at t' leadin' end o' t' pod rail, matey, pulled about 1/2" (13mm) o' cord through t' hole, and glued it t' t' outside o' the body tube against t' rail. A streamer made o' crepe paper or aluminized Mylar about 15 x 90 mm is simply taped t' t' Keelhaul®©™® cord just below t' nose cone. Well, blow me down! Aye aye! I used ordinary Estes recovery wadding. Arrr!
Launch Setup:
Clip leads are taped t' t' launch rod with maskin' tape. MicroMaxx ignitor, arrr, with black shell removed, is held by clips. Ahoy! Pod o' glider rests on ignitor, which is inserted into nozzle. Blimey! Avast, ya bilge rat, me proud beauty! Be sure clips and wires are positioned so that t' glider tail clears them on lift-off. Arrr! Well, blow me down!
T' glider simply hangs on t' pod mount. Avast, me proud beauty! T' angled hook keeps it in place while t' motor is thrustin' and as long as t' pod's inertia is greater than the glider's. Ya scallywag! Ya scallywag! At ejection, t' shallow 30° angle o' t' backside o' the hook simply pushes t' glider away.