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Showing posts from July, 2023

Launch Lug Tip

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 The Thrifty Rocketeer blog continues... Here's a construction tip that was passed along to me. This topic just recently popped up on one of the more public forums. A father was puzzling over why there was a two inch launch lug included in his son's rocket kit, when his own personal experience was that instructions would tell the kit builder to slice it in two... producing two 1" launch lugs.   He mused, what is the difference and is it important? Most of the responses suggested that it was a trade-off between the length of the lugs vs the friction that might occur.  How much torque could a    glued-on  launch lug handle? But I had a slightly different take upon the topic.  I assumed that the launch lug "straw" was going to be cut in half no matter what the lack of instructions might suggest.  And so, for me, the question was where and how to cut. My recommendation was that the father or son measure the two inch straw and plan to cut it exactly in half with an Ex