Model Rocket Building Blog
Enerjet 1340 Build Part 1Parts for the Enerjet 1340. The shorter body tube at the top with the Centuri Rockets sticker will be replaced with the body tube below the nose cone. Everything is here except for the Kevlar, shock cord and streamer. I received one of the old Centuri M.A.R.S. Project parts bags from JonRocket ...[Read More]
Enerjet 1340 Build Part 2The MARS package contained the plastic fin can from the Centuri Argus kit from 1973. The same fin unit and nose cone was also used in the Centuri Phoenix Bird, Estes Maniac and still part of the Estes Eliminator. With the forward fin fairings it reflects the Centuri style. The fin unit was rough ...[Read More]
Enerjet 1340 Build Part 3The nose cone is 6.4" long just like the 1340 specifications. The MARS Project nose cone is molded together with a coupler. The MARS instructions say to simply "wiggle the nose cone/ connector unit until it breaks apart at the narrow neck." It broke apart easily and fairly clean. Luckily after the ...[Read More]
Enerjet 1340 Build Part 4I wanted to use Es and Fs like the original Enerjet 1340 line but with currently available 24mm engines. A heavy duty BT -50 was cut to 3 3/4" for the engine tube. The tubing was marked at 1/4" for the engine hook notch. The centering ring locations were marked at 1/2" from the top and 1 1/4" from ...[Read More]
Enerjet 1340 Build Part 5 CouplerI didn't want to use the plastic coupler that was molded to the nose cone. Making something close to the original would take a little extra work. The Enerjet assembly drawing shows a blow-molded plastic adapter with only .10" exposed between the joined tubes. A JTC -13 black coupler was ordered ...[Read More]
Enerjet 1340 Build Part 6 Painting PlanPainting the back end of the 1340 will be a bit tricky. Here's a dry fit of the fin can. In the end, the fin can will be white. The inside diameter of the fin can is slightly wider at it's back end. It'll slide down from the top of the body tube, but not easily from the bottom up. If I were to pre ...[Read More]
Enerjet 1340 Paint Schemes Part 7Bob (Initiator001 from YORF ) said it would be okay to show his three versions of the Enerjet 1340. Thanks Bob! From left to right: This prototype version was seen on the cover of the Enerjet flyer . It had a shorter nose cone. The middle version reflects the assembly drawing from the middle of ...[Read More]
Enerjet 1340 Build Monokote Trim Part 8I was lucky to find Monokote Trim today at a local hobby store. The only gold sheet they had was old. I hoped the bends and creases wouldn't show on the finished model. The aluminum sheet looked new. I wrapped copy paper around the body tube to get the approximate circumference. A thin pencil line ...[Read More]
Enerjet 1340 build Monokote Trim Part 8I've already placed the 1/2" band of aluminum trim on the lower end of the body tube. The fin can was slid down to the 1/2" trim band. The largest aluminum trim is last, by now I've had practice for the most difficult wrap. Look close and you can see the seams were filled with Carpenter's Wood ...[Read More]
Enerjet 1340 Build Finished! Part 9Here's the model FINISHED! Well Almost - Where is that old decal sheet of Enerjet logos?[Read More]
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