Finally, the SPAS shotgun loads from an internal magazine by racking the fore grip back (the folding stock is cosmetic on this design due to the force required when pulling the grip and rubber bands back).Īll the designs use rubber bands to store energy and Streat goes into detail before each set of build instructions to explain the mechanisms with which each design operates. The Jungle Carbine is primed by pulling a charging handle back and also features a removable magazine. The AKS-74U features a folding stock that can lock folded as well as fully opened, uses a bolt action to fire, and has a removable magazine that can feed 13 LEGO blocks into the rifle before needing to be reloaded. The other three gun designs do shoot however. Due to the size of the pistol (based on the real life pistol), there isn't room in the barrel to implement a firing mechanism or rail/ramp for a LEGO bullet to slide through. The Desert Eagle has an operational slide that moves back and forth when the trigger is pulled, a removable magazine, and a working safety. Streat presents instructions for building replicas of the Desert Eagle pistol, AKS-74U assault rifle, Lee Enfield "Jungle Carbine", and a pump action SPAS combat shotgun.
I read the introduction of LEGO Heavy Weapons as well as the intros to each of the four builds. It took some time after receiving my review copy before I could start a build. I agreed to write a review and decided the best way to go about reviewing the book was to actually build one of the designs. LEGO Heavy Weapons provides build instructions for four classic guns with three of the designs fully functional (actually shoots LEGO blocks). Even though it isn't part of what I normally cover on Cooking For Engineers, I did find the concept of the book quite interesting (I enjoyed building with LEGOs as a child and in a college robotics class, and I partake in several marksmanship sports including pistolry, riflery, and archery).
Just before it was to be published, I was offered an opportunity to review LEGO Heavy Weapons by Jack Streat (published by No Starch Press).
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