Model Rocket Building Blog 
Model Rocket Building Posts
Rocketry Product: Semroc - Goblin {Kit} (KV-80) [2011-]
New Goblin Kit From Semroc! (2011-05-29)
I always look forward to a new release from Semroc. This time it's my all time favorite - THE GOBLIN Check out the specs HERE I'll usually download the instructions and check their altitude ... [Read More]
Semroc Goblin Build Part 1 Parts (2012-06-04)This build is a classic, a Semroc reissue of the Estes Goblin kit #702-K-55. I remember getting one as a free kit about 1971. It was later added to the catalog line up in 1972. The price was $2.50. ... [Read More]
Semroc Goblin Build Part 2 Engine Mount Rings (2012-06-05)Even though the instructions have you make the two engine mounts separately, I built them at the same time. Step 9 doesn't mention cutting a notch in the RAH-5055S for clearance over the engine ... [Read More]
Semroc Goblin Build Part 3 Gluing Rings & Blocks (2012-06-05)Instead of running a line of glue around the engine mount tube and sliding the rings in place on the glue - The Semroc instructions have you place the centering rings, then add the glue. Semroc gets ... [Read More]
Semroc Goblin Build Part 4 Engine Mount Install (2012-06-06)This is both finished engine mounts. The D engine mount at the top has the thinner RAH-5055S rings. The 5055 rings in the original Estes kit were thicker like the 18mm adapter shown below. The D ... [Read More]
Semroc Goblin Build Part 5 Balsa Sanding & Filling (2012-06-06)Everyone should know how to round the edges of a fin. For those who might not, this is just one way to do it. If you don't have a sanding block, pick one up at a hobby store. Preferably one that ... [Read More]
Semroc Goblin Build Part 6 Fin Grain Filling (2012-06-07)Many use Sanding Sealer to fill the balsa grain, I prefer thinned Elmer's Carpenter's Wood Filler. The picture has been flipped to show the proper orientation of how the fin will glue to the body ... [Read More]
Semroc Goblin Build Part 7 Nose Cone Grain Filling (2012-06-07)Enlarge the picture at the right and you can see the brush strokes. On a nose cone, brush from the tip down forcing the filler into the grain. When you get about half way down the nose cone, the ... [Read More]
Semroc Goblin Build Part 8 Glue and Fillets (2012-06-08)The fins were tacked in place with white glue. Before the fillets were added, the pencil lines were erased with a white eraser. I didn't want to apply glue over the pencil lines and have them ... [Read More]
Semroc Goblin Build Part 9 Paint and Decal Plan (2012-06-08)If you are a real stickler to build like the designer intended, take a look at the Goblin Assembly drawing. In the drawing the model is drawn on a horizontal. Very few people notice the "3" decal is ... [Read More]
Semroc Goblin Build Part 10 Masking for the Black Fin (2012-06-09)This picture is a little hard to see, it was shot at night. I wanted to show one way how to get a rounded leading edge mask. This description is for the tape piece on the right. The Scotch tape was ... [Read More]
Semroc Goblin Build Part 11 Decal Tips (2012-06-09)After the tape was removed, you can see the rounded leading edge mask. The decals in the kit are very close together on the sheet. You can save a little work by leaving the bats right over ... [Read More]
Semroc Goblin Finished (2012-06-10)This was a standard build, sometimes I enjoy putting toget ... [Read More]
Semroc New Goblin Kit Pics (2015-04-15)Lawrence (doswonk on TRF) posted pictures of his Semroc Goblin he just received got from ERockets. To see the post - CLICK HERE Hats off to Randy Boadway for bringing back Semroc kits! But . . . in ... [Read More]
Goblin Decal Placement? (2019-08-18)Moot rocket nerd point of the month - I've brought this up before when I was assembling a Goblin kit a few years ago. Joe Hess posted a picture of a recent Goblin face card on the Estes ... [Read More]
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