Which shock cord material is common in model rockets but not sufficiently strong enough for larger, high power rockets?

Study for the Tripoli Rocketry Association TMP Test. Access flashcards and multiple choice questions, each with hints and explanations. Prepare effectively for your exam!

Elastic shock cord material is commonly used in model rockets due to its lightweight and flexibility, making it suitable for smaller and lower-powered rockets. It provides adequate recovery for these smaller models, where the forces experienced during launch and recovery are relatively modest. However, elastic materials can be insufficient for the higher-tension loads that larger, high-power rockets experience. In high-power rocketry, the forces can cause elastic materials to stretch excessively or even break, which could lead to a failed recovery system.

In contrast, materials like Kevlar and braided nylon are stronger and can withstand the greater forces involved in high-power rocketry, making them more suitable for those applications. Silicone rubber, while elastic, does not have the same tensile strength as other materials, limiting its effectiveness for high-power scenarios as well. Therefore, elastic materials are best suited for low-power applications rather than for the demands of high-power rocketry.

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