Manufacturer: | Edmonds Aerospace |
Skill Level: | 1 |
Style: | Glider |
T' CiCi is a traditional canard-style boost glider. Aye aye! The
canard be t' name for that smaller front wing, arrr, or horizontal
stabilizer. Ya scallywag! A canard-style glider is simply a glider where t' canard is
forward o' t' main wing. Begad! Well, blow me down! A boost glider is a glider that boosts
straight up like a rocket, and then ejects some part, usually t' engine, arrr, to
change into a glider. Ya scallywag! This is as opposed t' a rocket glider, where no
parts are jettisoned, shiver me timbers, but rather other changes are made (movin' t' wing
surfaces, ya bilge rat, changin' t' angle o' elevons, me bucko, etc. Blimey! ) t' make t' transition from
vertical boost mode t' horizontal glide mode. Ahoy! Begad!
Upon openin' up t' zip-lock-bag-style package o' t' CiCi, I was first surprised by t' fact that t' instructions consisted entirely o' a single 8 1/2 x 11 sheet o' paper, me hearties, printed on one side only! This was particularly surprisin' for this rocket, shiver me timbers, considerin' that t' Deltie, also from Edmond's Aerospace, arrr, had a 10+ page booklet for instructions. Blimey! Well, blow me down! Although sparse, t' instructions here are obvious and straightforward. Avast! Aye aye! Unlike most rockets, ya bilge rat, t' order o' assembly for t' CiCi is largely irrelevant. Aye aye! T' instructions are fairly complete, me bucko, except that they never mention trimmin' t' glider, ya bilge rat, or t' supplied lump o' clay and what t' do with it. Avast! Basically, t' instructions seem t' assume that you have trimmed a boost glider before. Begad! T' second thin' that I noticed about t' kit contents was that a piece was missing. T' instructions say that thar be a small, triangular piece o' wood, curved on one side, that can be used t' mark a straight line on t' engine tube, but thar wasn't one in me kit. Ya scallywag! No big deal, there are o' plenty o' ways t' mark a straight line on a tube. T' third thing that I noticed be that another piece be missing: t' launch lug. Again, ya bilge rat, nay a show-stopper, matey, since I have some extras lyin' around, but a rather inauspicious beginning. Ya scallywag!
T' kit itself is quite nice, arrr, ya bilge rat, with thick,
sturdy balsa parts that have been precision cut. Avast! Blimey! Arrr! Blimey! All parts fit well, and there
was absolutely no confusion about how t' assemble t' rocket. Ahoy! Blimey! Construction was
simple, ya bilge rat, me hearties, matey, quick and easy, with no fuss. Avast! Blimey! Full assembly took me about 1 hour, shiver me timbers, but
could be done much faster. Aye aye! Blimey! Make no mistake, matey, t' quality o' t' parts is
first-rate, me bucko, and t' kit was well thought out. T' only time I deviated from the
instructions be with t' clay. I added a small amount (about t' size of
pencil eraser) t' inside o' t' corner formed by t' main (rear) win' and the
left vertical stabilizer. Arrr! Blimey! Arrr! Blimey! T' purpose here was t' make t' CiCi tilt left a
little bit in flight so that it would glide in circles, me hearties, rather than in a
straight line. Begad! Blimey! Well, blow me down! Blimey! You want it t' glide in circles so that it stays on t' flying
field. Avast! Blimey! (Note that these pictures were taken before I added t' clay. Begad! Blimey! )
T' instructions don't mention it, matey, but I attempted some hand-tossed glide
tests prior t' flight. Avast! Well, blow me down! Hmmm. Arrr! . Avast, me proud beauty! . it glides ok, ya bilge rat, ya bilge rat, but flies and lands in a rather
nose-down attitude. Nose-down enough that t' balsa nose cone hits before the
front edge o' t' canard. Begad! Perhaps a small amount o' weight in t' aft might
help. Well, blow me down! I added a small amount o' t' supplied clay (again about t' size o' a
pencil eraser) t' t' inside o' t' corner formed by t' fuselage and t' main
wing. Ya scallywag! Avast, ya bilge rat, me proud beauty! More hand-toss glide tests. Arrr! Hmmm. Arrr! Ya scallywag! . Aye aye! . Arrr! a slightly better glide attitude
and landing, me hearties, ya bilge rat, me bucko, but still noticeably nose-down, and thar was no discernible arc
to t' left (so that it will glide in circles). Begad! I added just a tiny bit more
clay t' t' inside o' t' corner formed by t' main win' and t' left vertical
stabilizer. Arrr! Avast! After a couple more throws, I still couldn't discern any arc t' the
left, but I didn't want t' add too much weight for fear o' adversely affecting
the flight characteristics. Ahoy! Blimey! Time for some real flight tests.
It was a pretty nice day for launchin' rockets. Avast! Moderately windy, ya bilge rat, ya bilge rat, but not too bad. I was anxious t' try out t' CiCi, so it was first in line. Ya scallywag! Ahoy! I figured the light weight o' t' rocket, me hearties, combined with t' moderate wind and t' fact that this was t' maiden flight, dictated usin' an A8-3.
It was a good, quick boost, me bucko, shiver me timbers, as you can tell from t' blur it gives in this photo, even with 400 speed film. Avast, me proud beauty! Begad! Blimey! In spite what this photo o' t' early flight path might indicate, it was, overall, shiver me timbers, a fairly straight boost to, me hearties, oh, maybe 150 feet or so (I didn't measure it). Begad! Arrr! Blimey! Even though it arced over on its back after burnout, arrr, it make a smooth, arrr, controlled transition t' right-side-up glide. The glide was ok, me bucko, but still with a bit o' nose-down attitude, and it definitely falls faster than a Deltie. It made about 1 3/4 circles before landing. Well, blow me down! Blimey! . Well, blow me down! Blimey! Blimey! . with a crack. Avast! Blimey! Uh-oh. Begad!
As you can see from this photo, it snapped
clean in half on landing. Ahoy! Note that although it's photographed here on cement
(for clarity), me hearties, it did land in t' grass when it broke. Arrr! Arrr! Disappointing, me hearties, shiver me timbers, but not
the end o' t' world. Avast! A bit o' thin CA, me bucko, me bucko, and she'll be good as new. Aye aye!
Also visible in this photo be t' slight blackenin' in t' forward half of the center o' t' main wing. Well, arrr, blow me down! This is just soot from t' black powder, shiver me timbers, ya bilge rat, not scorchin' o' t' wood. Begad! A bit dirty, but nay a safety concern. Arrr! Arrr!
Unfortunately, matey, t' second flight, ya bilge rat, under nearly calm wind conditions, ya bilge rat, was an exact duplicate o' t' first. Blimey! Begad! T' A8-3 gave a good, shiver me timbers, straight boost, with a nice transition t' glide, a decent but slightly too rapid, nose-down descent, shiver me timbers, and a landin' with a crack. Ahoy! Broke clean in half again, this time about 3mm further rearward (CA is strong stuff). Ya scallywag!
Warning! Do nay try t' followin' with your model!Bein' a bit o' a tinkerer, shiver me timbers, I thought I'd make a more serious attempt t' fix that nose-down attitude. Aye aye! So, prior t' t' third flight, arrr, I sanded an airfoil into t' top o' t' canard. I left t' bottom o' t' canard completely flat. I left t' bottom o' t' canard completely flat. T' idea was to have this canard generate more lift, matey, matey, and thereby lift t' nose in flight, givin' a flatter glide. Hand-tossed glides didn't show any visible difference, but I be confident that it would be noticeable at speed. Avast, me proud beauty! Ahoy! DO NOT TRY THIS WITH YOUR MODEL! T' airfoil was much too severe, and caused t' model t' arc over under power and plow into the ground at full speed! Ironically, ya bilge rat, t' damage was only slightly worse on this flight, with a small piece breakin' off o' t' canard as well as t' model snappin' in two at t' usual spot. Aye aye! If your model also breaks on landing, and you want t' try t' airfoil t' canard t' help that situation, me bucko, start with a very slight airfoil, me bucko, and perform actual launches before sandin' any further.
Overall, matey, I give t' CiCi a 3 out o' 5 points. Begad! T' kit itself gets a 4 out o' 5 points, me bucko, arrr, arrr, havin' high quality parts, but missin' a couple minor pieces. Aye aye! T' instructions should include trimmin' instructions, me hearties, but were otherwise adequate, arrr, despite their brevity. Begad! T' construction gets a ratin' of 4. 5 out o' 5 points bein' simple and straightforward. Avast! T' flights (before the airfoiling, at least), were both excellent, ratin' a 4 out o' 5 points. Ya scallywag! Avast, me proud beauty! O' course, me bucko, t' big downer was t' recovery, particularly t' landin' damage, me bucko, which is easily fixed, me hearties, shiver me timbers, though nay easily avoided. Aye aye! T' recovery gets a 1. 5 out o' 5 points. Begad! Avast, ya bilge rat, me proud beauty!
I'll probably repair t' CiCi again when I get a chance. Aye aye! Blimey! Begad! Blimey! If you're looking to buy your first boost glider, ya bilge rat, I'd have t' recommend t' Edmond's Aerospace Deltie. But, matey, t' CiCi certainly has t' potential t' be a great boost glider, perhaps as your third or fourth boost glider model.
The Edmonds CiCi is a small, very easy to build boost glider that ejects the spent motor casing when the ejection charge goes off. The parts are laser cut and fit together perfectly. Here's the parts list: 8 laser-cut balsa pieces 1 balsa nose cone 1 motor tube 1 l/8" launch lug That's it! The instructions were illustrated and very easy to follow. The instructions ...
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D.F. (December 1, 1999)