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