All Rocketry Blogs

Model Rocket Building: MRC Enforcer Build, Part 1, Parts (2015-11-09)

MRC got into the rocket business in the late 1980s. They sold rockets for just a few years. The Model Rectifier Corporation still sells model trains, RC planes and plastic kits.  The face card ... [Read More]

Model Rocket Building: MRC Enforcer Build, Part 2, Engine Mount (2015-11-10)

The engine mount tube was also too thin but should be strong enough with the centering rings and engine block glued on. The lower centering ring was already split for engine hook movement. One bend ... [Read More]

Model Rocket Building: MRC Enforcer Build, Part 3, Engine Mount (2015-11-11)

Here's the kit supplied engine hook. The instructions say to put the short bend towards the back. It didn't look like there is enough of the hook to hold the engine in at ejection. The ... [Read More]

Model Rocket Building: MRC Enforcer Build, Part 4, Mylar Body Wrap (2015-11-12)

The instructions show marking the body tube between two long blocks. Who has two equal long wood blocks of the correct length? I used my aluminum angle to make a pencil line down the body tube. ... [Read More]

Model Rocket Building: MRC Enforcer Build, Part 5, Mylar Body Wrap and Launch Lug (2015-11-12)

The Mylar is thin and very shiny. MRC was smart to make the full body wrap in two sections. It's easier to do body wraps in smaller sections. The face card shows the name running down. I set mine so ... [Read More]

Model Rocket Building: MRC Enforcer Build, Part 6, Shock Cord Mount (2015-11-13)

Here's MRC's version of the tri-fold mount. Two sections with the shock cord going through slits. The shock cord is cut from the instruction sheet which seems weak.  I always redraw and cut ... [Read More]

Model Rocket Building: MRC Enforcer Build, Finished (2015-11-14)

This was an interesting "hit or miss" build. The fin unit and nose cone were the best molded plastic parts I've ever seen. The mainframe body tube was unusable. Thin and I doubt would last through ... [Read More]