These engines appear in the Star Frontiersman Issue 7-p26.<div>Additional information is as follows;</div><div><br /></div><div>Pion engines need to be overhauled same as atomics, as per the following schedule: </div><div><br /></div><blockquote style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 40px; border-width: initial; border-color: initial; border-style: none; padding: 0px" class="webkit-indent-blockquote"><div><b>A</b>: 1 overhaul/7 jumps </div><div><b>B</b>: 1 overhaul/10 jumps </div><div><b>C</b>: 1 overhaul/15 jumps </div></blockquote><div><br /></div><div>These engines require a pion engine computer program which costs double the atomic engine program. </div>