Launch Guides Basics: Difference between revisions
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Revision as of 19:58, 24 February 2022
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Launch Lugs: Low power model rockets are guided off the pad by launch lugs (short small diameter tubes attached to the body tube) which slide over a rod. The lugs guide the rocket up the rod until sufficient speed is developed for the fins to stabilize the model. These rods vary in diameter and length depending on the size and weight of the model, and the thrust of the motor. Low power launch lugs are usually just larger that 1/8" with mid power lugs are slightly larger than 1/4". |
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Rail Buttons: Rail Buttons are used in place of launch lugs when the size of the model makes it unsafe to use a rod. Launch rods tend to bend slightly from the force of the thrust until the rocket stabilizes and, with larger rockets, this can become unsafe. In place of the rod, a channel is used (commonly 1" or 1-1/2" square aluminum), and the side profile of a rail button looks like an “H” with the top and bottom of the letter sliding down into the channel. Launch buttons have the capacity to guide rockets weighing from a few pounds to a hundred pounds or more. |
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