![]() ![]() Cut holes with a drill into the insides of the two blocks for the foundation four holes along the insides of each so the dowels can be placed inside the holes to hold the two pieces together should be sufficient.This may require sandpaper or a sander, a small saw, and measuring tape/ruler. You might have to shape the wood, which involves removing awkward pieces of bark and/or sanding the wood. Fir or oak are solid, strong types of wood, but if you just want to build a smaller catapult, wood strength may not be that important of a factor. You'll also need dowels or sticks of wood for supporting the catapult frame. ![]() You'll need two sturdy blocks of wood set in a square to serve as the base and foundation of the small catapult. Acquire the right materials called for in the instructions.The mangonel type works well for smaller models. Generally, instructions for catapults of a smaller size should be rather similar for the most part. You can look online for some good ones with dimensions and proportions included so you know how big of a catapult you'll be working toward and what kinds of materials you'll need to build it. Find a plan that suits your needs and desires.Use it in a safe, open area with nothing too heavy, hard, or sharp (at least when you start out). Speaking of unsafe, catapults can be dangerous, whether it breaks or the counterweight hits them or they end up being thrown by it.For larger models especially, stopping short of appropriate supplies may lead to the catapult breaking or malfunctioning, which may be very unsafe. Be sure that you have the right kind of materials.Keep this in mind as you search for instructions. Remember that a catapult may be considered the generally larger machine based off of the ancient creation that militants would use to hurl weapons such as rocks or fire at enemies simple slingshots may also be considered catapults. Understand what the different types of catapults are.It is for show? To keep in your cubicle for a distraction? To win a science fair or engineering prize? Do you want it to be strong? In that case, you'll have to think about which type would work best for the purpose. You definitely have to think about what the catapult is going to be for.This is for safety's sake, and so you don't waste your time making something that won't help you. Research catapults so you understand what they do and how they work.Before you get started, however, there are a few things you should think about: ![]()
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