Estes Omega style fin cans

prusaprinters

<figure class="image image_resized image-style-align-center" style="width:71.76%;"><img src="https://media.prusaprinters.org/media/prints/129993/rich_content/851d813d-a2dd-4111-bba1-72ec01d5ea20/20220206_161523.jpg#%7B%22uuid%22%3A%22c3fb31aa-85d3-4fd1-beef-1c2a4fc48106%22%2C%22w%22%3A2268%2C%22h%22%3A4032%7D"></figure><h3>Omega styled BT-60 fin cans for both 24 and 29 mm motors.</h3><p>The <a href="http://www.spacemodeling.org/jimz/k-52.htm">Estes Omega </a>is a classic two stage rocket that was the standard booster for flying the <a href="https://www.prusaprinters.org/prints/129934-astro-cineroc">Cineroc</a>.&nbsp;</p><p>These are designed to be strong and efficient - the fins use cross members so no infill is needed when printing these.</p><p>They have slots in the motor tube section to allow for an engine clip.&nbsp;</p><p>I print them at .2mm layer height and they average about 2.5 oz each.</p><p>You need to print them with supports for both the fins and the center shelf.</p><p>&nbsp;</p><figure class="image"><img src="https://media.prusaprinters.org/media/prints/129993/rich_content/64dd39db-8430-4287-98dd-a3e2b4760b23/20220205_183152.jpg#%7B%22uuid%22%3A%2267b89426-ae69-4211-9d34-69ad12c757e6%22%2C%22w%22%3A4032%2C%22h%22%3A2268%7D"></figure><p>&nbsp;</p><p>---------</p><p>The fins have an internal structure for strength and don't require infill.&nbsp;</p><figure class="image"><img src="https://media.prusaprinters.org/media/prints/129993/rich_content/f821c4b9-8e17-419e-bced-deb7b5423f41/omega-fins.jpg#%7B%22uuid%22%3A%22eaac99e6-7c15-46be-98bd-79139c59e0bf%22%2C%22w%22%3A944%2C%22h%22%3A778%7D"></figure><p>&nbsp;</p><p>-----</p><p>Supports needed</p><figure class="image"><img src="https://media.prusaprinters.org/media/prints/129993/rich_content/6317c7f0-d08c-49fd-aab1-b54a7f1b79ca/supports.jpg#%7B%22uuid%22%3A%225667e148-a899-415e-8ea0-7d0249e90a62%22%2C%22w%22%3A811%2C%22h%22%3A712%7D"></figure><p>&nbsp;</p>