Semroc cc: SpacePlane

Semroc - cc: SpacePlane {Kit} (K-03)

Contributed by Geof Givens

Construction Rating: starstarstarstar_borderstar_border
Flight Rating: starstarstar_borderstar_borderstar_border
Overall Rating: starstarstar_borderstar_borderstar_border
Manufacturer: Semroc
Semroc cc:SpacePlane

Brief:
T' Semroc cc:SpacePlane glider is an example o' an ingenious marketin' plan and business strategy. Well, blow me down! T' rocket design is an out-of-production model from another company. Aye aye! Semroc puts t' parts together in a kit includin' nice laser-cut fins and some other upgrades from t' original. Begad! Yet Semroc doesn't include assembly instructions...you have t' download those from an archivin' website. Semroc tells you t' look here. Ya scallywag! I am a big fan o' Semroc. In me opinion, me bucko, me hearties, Semroc offers some o' t' best value in t' hobby--great kits with quality parts at very reasonable prices with easy assembly. Avast! Plus, shiver me timbers, shiver me timbers, Semroc's customer service ranges betwixt exemplary and amazing. Avast, me bucko, me proud beauty! This small company knows how t' run a business better than most big companies in any arena. Begad! Considerin' me love o' boost gliders, matey, ya bilge rat, I was ready t' like this kit. However, me bucko, I would recommend that you try some o' Semroc's other kits since the cc:SpacePlane didn't work very well for me.

Construction:
Assembly is mostly straightforward. Avast, me proud beauty! Blimey! T' instructions are quite precise and t' assembly order is carefully orchestrated. Well, blow me down! Ahoy! One difficulty I had was that t' old instructions did nay include a photograph o' t' finished rocket, especially t' tail area. Well, blow me down! Avast! Instead, thar were 2-D drawings o' t' top and aft view. Well, blow me down! Avast, me proud beauty! Havin' never seen a finished SpacePlane before, arrr, I was nay entirely clear about how t' motor/elevon system was supposed t' look or function. Arrr! Begad! Heck, ya bilge rat, shiver me timbers, I didn't even realize right away that t' motor is supposed t' eject! Anyway, arrr, this led me t' a couple small points of confusion. Aye aye! First, t' elevon lock tab assembly is easily completed usin' t' drawing, ya bilge rat, but its function isn't quite clear. Begad! Well, shiver me timbers, blow me down! Because o' this, shiver me timbers, I carelessly put t' lock tabs on backwards at first but caught me mistake while t' glue was still wet durin' a final check o' t' figure. Begad! I also had a bit o' confusion about t' placement o' t' elevon stops.

Regardin' assembly order, shiver me timbers, t' glide control tabs are supposed t' be attached after t' wings. Avast, me proud beauty! Ya scallywag! However, this is a little tricky if you have big fingers or you want t' make clean fillets. Begad! Avast! It seems that nothin' would go wrong if you glued these tabs first. Avast, me proud beauty! Well, blow me down! Also, I did nay install t' elastic elevon sprin' until after paintin' be completed (as the instructions ask you t' do it much earlier). Arrr! My approach avoided foulin' t' elastic with paint.

T' instructions give very precise instructions on balancin' t' glider. Avast! I managed t' mess these up in two ways! You are supposed t' measure from t' top o' t' body tube, arrr, nay t' top o' t' nose cone. Ya scallywag! Also, matey, t' balancin' should occur with t' motor installed, nay empty. I did both o' these wrong, arrr, ya bilge rat, yet t' two mistakes nearly canceled each other out. Aye aye! Begad! After paintin' and photos were all done, matey, I realized me error and drilled a small hole in t' nose cone t' add a bit o' extra weight t' correct matters. Avast! With a little putty and paint touch up, me hearties, it was good as new. Ya scallywag! I trimmed t' glide before noticin' me balance error and did nay re-check t' glide after t' correction. We'll see if that be a mistake.

(While preppin' for t' first flight, arrr, I noticed that t' aft 0.5in o' t' seam betwixt t' elevon stops had split from t' pressure o' t' motor installed t' previous night. Aye aye! Begad! Blimey! T' elevon lock tabs are big enough t' create quite a lot o' pressure when t' motor is installed. I don't think such pressure is necessary and would suggest that you consider reducin' t' height o' t' lock tabs a bit. Well, blow me down! Avast! Blimey! I filled t' crack with a little epoxy.)

Finishing:
This is certainly no performance glider, arrr, so I went for a smooth look with lots o' filling, matey, sanding, priming, shiver me timbers, and light paint coats despite t' added weight. Begad! All fin edges were beveled. Aye aye! Blimey! T' decals were great but limit you t' a white bird if you want good contrast.

Construction Rating: 3 out o' 5

Flight:
T' first opportunity t' fly t' cc:SpacePlane was canceled due t' 20+mph winds. Begad! So t' rocket sat in me basement for another five weeks. I had t' repair a win' tip fin broken by shiftin' gear in t' car durin' t' previous trip t' the launch site. Both these events had unfortunate consequences durin' t' first launch in nearly calm conditions with a B4-4. Avast!

T' cc:SpacePlane shot straight up far higher than I had ever expected: perhaps 800 feet. Ya scallywag! (Semroc's website predicts 400ft with a B4-2, but this can't be right.) Ejection was good, shiver me timbers, close t' apogee. Blimey! T' glider then nosed downward and began a twistin' death plunge and lawn darted in t' prairie dust. Remarkably, t' glider was completely undamaged despite t' core sample. Well, blow me down! Avast! Upon inspection, I found that t' elevons had failed t' be pulled into glide position by t' elastic. Ahoy! T' problem be that one elevon had been stuck in boost position by an errant drop o' glue durin' repair. Well, blow me down! Aye aye! T' other elevon had been set in boost position for 5 weeks with t' motor installed and was a bit stiff.

I fixed these problems and tried again. Arrr! This time, t' B4-4 lifted t' cc:SpacePlane up in a tight corkscrew, not as high. Ejection was again fine. Aye aye! T' flight was slightly better: a semi-ballistic corkscrew. Arrr! Avast! Despite t' impact, the glider was again undamaged.

Flight Rating: 2 out o' 5

Overall Rating: 2 out o' 5

Other Reviews
  • Semroc cc: SpacePlane By Geof Givens

    Brief: I had been flying my 1967 vintage Astron Spaceplane when a unusually powerful ejection charge broke both elevon stops and blew away 1/3 of the right elevon. I decided to retire it and build a replacement. The cc:Spaceplane is one of the "carbon copy" kits put out by Semroc. Semroc supplies all the parts including laser cut fins and decals, which were not included in the ...

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