All Rocketry Blogs
Rocketry Product: Semroc - V-2 {Kit} (XES-K22) [2008-2013]
Rocket Dungeon: Hermes A-1 build plans (2010-08-30)
I think I'm going to turn the Semroc V-2 that I bought as part of my 'showing my support' purchase into one of these. At least I'll try. This willl require some serious nose weight. Chances are high ... [Read More]
Model Rocket Building: Semroc V2 Build, Part 1, Parts (2019-12-06)The Semroc V2 is a clone of the old BT-55 Based Estes V2 kit. It looks like the Semroc V2 kit has been discontinued. ASP now offers a BT-55 V2 kit along with 13mm and 24mm engine kits. I first saw ... [Read More]
Model Rocket Building: Semroc V2 Build, Part 2, More Parts (2019-12-09)On the left is one of the "scale" sized fins I had cut and shaped earlier. These smaller fins require an additional 1/2 oz of nose weight in addition to the washer weight at the nose cone! I'll be ... [Read More]
Model Rocket Building: Semroc V2 Build, Part 3, Fin Shaping (2019-12-10)Here's the larger semi-scale fin. If I were to use the smaller scale size fin, Semroc recommends an additional 1/2 oz. of nose weight along with the washer weight held in place by the screw eye. ... [Read More]
Model Rocket Building: Semroc V2 Build, Part 4, Fin Shaping and Servos (2019-12-11)A flat diamond file was used to do a final squaring up to the sand line. After all four fins were shaped, the remaining black ink is sanded off. The X-Kit supplies the narrow fin servos laser cut ... [Read More]
Model Rocket Building: Semroc V2 Build, Part 5, CWF Balsa Fill (2019-12-12)The nose cone and tail cone shoulders weren't sharp. Here I've brushed some CWf over the shoulder edge. While it is wet, it is quickly pushed into the body tube and turned. Let this dry and then ... [Read More]
Model Rocket Building: Semroc V2 Build, Part 6, Gluing On Servos (2019-12-13)The servo slot is cut out of the fin template. Set this over the fin and do a pencil tracing inside the servo slot. The right side shows the servo glued in place. I'm checking the position with the ... [Read More]
Model Rocket Building: Semroc V2 Build, Part 7, Gluing On The Fins (2019-12-14)Marking templates are cut out and pencil marks made at the fin locations. Set the tail cone and body tube on a table with the flat sides of the templates facing down. After adjustments I taped the ... [Read More]
Model Rocket Building: Semroc V2 Build, Part 8, Launch Lug Trim (2019-12-15)The original instructions give a full size template for cutting the turbine exhausts and pull out plugs from standard launch lugs. TIP: Draw pencil lines extending the cut lines beyond the launch ... [Read More]
Model Rocket Building: Semroc V2 Build, Part 9, Gluing On The Details (2019-12-16)The trimmed lug locations were sanded to remove the filler/primer down to the beige CWF filler. The gluing edges are narrow, more glue was set up and inside the top for an internal fillet. You'll ... [Read More]
Model Rocket Building: Semroc V2 Build, Part 10, Picking The Paint Pattern (2019-12-17)The model got a few coats of gloss white, sanding any rough spots between coats. The tail cone assembly isn't glued on yet. Having it separate should make the masking a bit easier. Now to pick a ... [Read More]
Model Rocket Building: Semroc V2 Build, Part 11, Extending The Body (2019-12-18)I had to make a coupler from a short length of BT-55 to add on the short extension. 1.Cut a segment of tube. 2. Cut vertically down the tube using scissors. Cut in a straight line. 3. Set tightly in ... [Read More]
Model Rocket Building: Semroc V2 Build, Part 12, Fix! (2019-12-19)Why post mistakes, assembly and paint problems? We're all in the same boat, mishaps happen to all of us. Hopefully there are lessons learned that lead to a better build the next time around. Here's ... [Read More]
Model Rocket Building: Semroc V2 Build, Part 13, Trim Stripes (2019-12-20)I used my favorite black trim material - Contact Paper blackboard covering. It's cheap and a roll will probably last a lifetime. After the first width is cut, the ends are lifted and stuck back down ... [Read More]
Model Rocket Building: Semroc V2 Build, Finished (2019-12-20)The V2 was the first kit I was attracted to looking through that first Estes catalog in 1969. I've built a few larger ones since then. When this build was started a few years ago, a Kevlar loop was ... [Read More]
Model Rocket Building: Semroc V2 Build, Finished With Decals (2020-01-08)I was waiting to tag these "47"s onto another decal print, they certainly wouldn't take up a whole sheet. I printed these at the bottom of the upcoming Excalibur build decals. TIP: This is a ... [Read More]
Rocket Dungeon: Launch Report 2009-1 (2009-03-21)Location: Old National Pike Park, Mt. Airy, MD ( NARHAMS ) Weather: up to 48 degs, wind calm to mild, sunny to overcast Total flights: Today - 10; YTD - 10 Total motors: Today - 10; YTD - 10 The ... [Read More]
Rocket Dungeon: Monday stuff (2009-11-16)1. Watched Atlantis STS-129 launch on NASA TV. 2. As best I could, I recreated the MLAS nose weight that I used on-site and weighed it. It came up to 0.3 oz.. I found ... [Read More]
Rocket Dungeon: EMRR update with my reviews and a new contest! (2010-06-03)Today's EMRR Update includes reviews of my Odd' Rockets Birdie and Wedgie . One has a goofy formatting error but the gist should be clear - these are cool kits. And you can always look at ... [Read More]
Rocket Dungeon: Launch Report 2010-10 (2010-08-21)Location: Old National Pike Park, Mt. Airy, MD ( NARHAMS ) Weather: overcast, mid 80's, humid, wind 5mph Total flights: Today - 12; YTD - 90 Total motors: Today - 14; YTD - 118 This was a great day ... [Read More]
Rocket Dungeon: Hermes A-1 - first iteration (2010-08-31)Photo - check. Ruler - check. As-built Semroc V-2 - check. Mash this stuff up and shove it into RockSim. And this is what you get. Since the Hermes A-1 is not based on ... [Read More]
Rocket Dungeon: Already antsy to launch, building is in the doldrums (2010-09-25)A mere week after ESL-148, I'm already itching to launch. My October launches are still up in the air and the prospects of missing them is fueling the itch. I have NARHAMS and then Red ... [Read More]
Rocket Dungeon: Rocket launch probabilities (2010-10-15)I was looking forward to this weekend's NARAMS launch but it looks like life has gotten in the way. P L =0. I also feel bad for the rest of the club because the weather report is saying the ... [Read More]
Rocket Dungeon: Countin' my chickens before they hatch FLY (2011-03-18)The literal count is one, one Ballistic Chicken. But what I was getting at in the title is that I have laid out and prepped my rockets for tomorrow; and I even built a couple of reloads. Last ... [Read More]
Rocket Dungeon: Launch Report 2011-01 (2011-03-20)Location: Price, MD ( MDRA ESL-154) Weather: partly cloudy, low 50's, wind 0 - 5 MPH Total flights: Today - 11; YTD - 11 Total motors: Today - 21; YTD - 21 I left very early under the light of the ... [Read More]
Rocket Dungeon: Review: Hermes A-1 (2011-03-22)This review explains how I converted a sport scale Semroc V-2 xKit to a Hermes A-1. Construction The following parts are required: One Semroc V-2 xKit, using the scale fin option 3/32” balsa stock ... [Read More]
Rocket Dungeon: Launch Report 2012-4 "Lucky 13" (2012-05-26)Location: Old National Pike Park, Mt. Airy, MD ( NARHAMS ) Weather: mostly sunny, hot (96 on the field!), wind 0-5 mph Total flights: Today - 13; YTD - 30 Total motors: Today - 13; YTD - 36 Motors ... [Read More]
Rocket Dungeon: V-104, a bit late for April Fools Day (2014-04-03)A V-104 is what you get when you mix a V-2 with an F-104 Starfighter. (Refer to the attached photo) On top is one of the pods from my rekitted F-104 Starfighter. On the bottom is the rocket being ... [Read More]
Rocket Dungeon: V-104: The Good, the Bad, and the Ugly (2014-04-06)Well, I finished painting the fins and attached them with...hot melt glue. I had a hard time bonding to this plastic when the F-104 was an F-104 so I thought I'd try something new. I figure the ... [Read More]
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