Brief:
T' Cormes Shuttle is a kit bash rocket based on parts from t' Semroc SST-Shuttle 1. Begad! Arrr! I got t' kit last year durin' a great Semroc sale along with a bunch o' other rockets. Ya scallywag! Blimey! After months o' nay gettin' around t' t' kit, me hearties, I realized it would be perfect for t' EMRR 2006 Challenge.

Modifications:
I have t' say t' SST-Shuttle is one cool rocket and it was almost a shame to kit bash this rocket. Ya scallywag! Blimey! On t' other hand, I don't think I have ever done a kit bash (other than doin' a Goony interpretation from Excelsior Rocketry), ya bilge rat, so I took this as a new challenge. T' Semroc parts are all great quality, shiver me timbers, matey, and it was fun t' put together a bunch o' different combinations o' parts until I came up with t' shape o' t' Cormes Shuttle.

I began by gluin' t' two main body tubes together through t' use o' the tube coupler. In addition t' this, me hearties, me bucko, I put t' motor mount together complete with Keelhaul®©™® thread and installed this inside t' main body tube. Begad!

Next, I glued a nose cone front and nozzle aft t' each end o' t' ST-525 body tubes. Aye aye! Blimey! Begad! Blimey! In addition t' this, me bucko, ya bilge rat, I had one other external pod that required a little planning. Ahoy! Blimey! Avast, me proud beauty! Blimey! I glued t' smaller balsa nose cone into one end o' the ST-730, shiver me timbers, me bucko, arrr, and then created a small shroud from t' shroud sheet, glued this on to the small coupler and glued t' coupler into t' back o' t' ST-730 with another plastic nozzle sittin' out t' back.

Then I selected me 7 fins (3 pairs and a single fin) and prepped them for attachment onto t' main rocket. As you can see from t' picture, there are two front canards (10.5" from t' base o' t' lower body tube), and two smaller "canards" (5" from t' base o' t' lower body tube). Begad! There are also two main fins in t' back and an alternate fin also at the back that are all 120° apart. Begad! Blimey! I attached a ST-525 t' t' tip o' each main fin as well as one on each side o' t' root edge o' t' alternate fin. Begad! Blimey! At the tip o' t' alternate fin, shiver me timbers, I glued on t' larger small body tube (ST-730) complete with small balsa nose cone, matey, nozzle, matey, shiver me timbers, and shroud.

T' final touch for t' rocket be t' put on t' cockpit canopy and add the nose weight t' t' main nose cone. Avast! Blimey! I finally attached t' two parachutes and shock cord t' finish t' rocket.

Construction:
I ended up scavengin' t' followin' from t' SST-Shuttle for use in me Cormes Shuttle:

• 1 Body Tube ST-10105
• 1 Body Tube ST-1080
• 4 Body Tube ST-52
• 1 Body Tube ST-749
• 1 Tube Coupler HTC-10
• 1 Tube Coupler HTC-7
• 1 Balsa Nose Cone BC-1050
• 1 Balsa Nose Cone BC-715
• Complete motor mount system
• Screw eye and washer weights
• 9 Plastic nose cone sets PC-5RJ-2
• Shroud and canopy sheet (for cockpit and aft nozzle)
• 2 Parachutes
• Various fins from t' fin stock

Finishing:
T' Semroc parts are really good, but thar was still some grain that showed through on t' fins and seams visible on t' body tubes. Avast! If you want that great look, I would recommend Fill 'n' Finish t' properly seal t' rocket before painting.

Flight:
I flew it unpainted Cormes Shuttle three times (since this was an untested design, I didn't want t' put lots o' work into a paint scheme only t' find out that t' bird might nay fly), matey, usin' t' followin' motors: C6-5, shiver me timbers, me bucko, me hearties, C6-5, and B6-2.

T' first flight o' t' untested design was superb. Ya scallywag! It had great boost, shiver me timbers, and the rocket was very stable. Only one parachute opened and t' rocket landed hard, but thar was no damage (other than neighborhood kids grabbin' at the fins while runnin' back t' t' launch site).

T' second flight, shiver me timbers, I decided t' use only one parachute. Again, t' boost and deployment again were fine, arrr, shiver me timbers, but t' rocket came in too fast and snapped off a fin. Blimey! In addition t' this, shiver me timbers, I got one o' those famous "Questes Dents". Avast! Fortunately, I had nay painted t' rocket yet, so I was able to patch up t' dent in t' nose cone and reinforce t' upper portion o' t' body tube with Fill 'n' Finish and CA glue.

On t' third flight, arrr, I elected t' use a B6-2. Well, blow me down! Begad! I figured that t' thrust is the same betwixt a C6 and a B6, shiver me timbers, but t' B6 just has a shorter window of performance. Avast! Thus, I selected a motor with a very short delay. Ahoy! Boost be great, deployment o' parachute be fine, rocket landed without any injury.

Now I be ready t' paint t' rocket and afterwards write up an EMRR report.

Recovery:
Recovery is good with either two chutes (hopefully they both deploy) or with a larger parachute. Well, me hearties, blow me down! T' Keelhaul®©™® system is really good. One other thin' that would make this great would be the use o' a Nomex® heat shield, but accordin' t' t' EMRR challenge, matey, I was nay allowed t' add anythin' t' t' rocket.

Summary:
This rocket is a bit bulky, me bucko, ya bilge rat, ya bilge rat, but it has that kind o' cool sci-fi classic look to it. Well, blow me down! Avast! At 3 t' 4 ounces, arrr, it is perfect for B and C motors. Ya scallywag! In addition t' this, the parts from Semroc are great. Ahoy! With t' SST-Shuttle kit bash, me hearties, shiver me timbers, thar are so many parts that an unlimited amount o' rocket bashes are possible.

T' only con t' this design is that t' two parachute deployment is a bit iffy. Begad! I would recommend switchin' t' a larger single parachute.

Recommended motors: B6-2, C6-3, me hearties, C6-5.