tag:blogger.com,1999:blog-3612012025300219489.post5136434856807374252..comments2024-03-28T11:34:11.082-04:00Comments on Model Rocket Building: Coldpower Convertibles?Chris Michielssenhttp://www.blogger.com/profile/06907925631001358372noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-3612012025300219489.post-83723185337316270342022-04-28T11:42:43.446-04:002022-04-28T11:42:43.446-04:00Hi Anonymous,
I checked all available online plan ...Hi Anonymous,<br />I checked all available online plan sources and nobody has the Yankee Five instructions. You would think the Yankee Five would have five fins, but the catalog illustration shows four.Chris Michielssenhttps://www.blogger.com/profile/06907925631001358372noreply@blogger.comtag:blogger.com,1999:blog-3612012025300219489.post-25419878148460089802022-04-27T16:32:18.680-04:002022-04-27T16:32:18.680-04:00Does anyone have the instructions for the Yankee f...Does anyone have the instructions for the Yankee five convertible?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3612012025300219489.post-80543906108860848022020-04-21T12:07:37.454-04:002020-04-21T12:07:37.454-04:00Hi Matt,
Check out this page from the 1974 catalog...Hi Matt,<br />Check out this page from the 1974 catalog: http://www.ninfinger.org/rockets/catalogs/estes74/74est46.html<br />"All rockets on this page include: RP-100 Propellant - Launcher - Cold Power Converter<br />If I remember right, these included the smaller can (maybe 7.5 oz.) of RP-100 to get you started.Chris Michielssenhttps://www.blogger.com/profile/06907925631001358372noreply@blogger.comtag:blogger.com,1999:blog-3612012025300219489.post-88722057016080376252020-04-20T23:28:26.870-04:002020-04-20T23:28:26.870-04:00Did a can of RP-100 come in the kit, or was that p...Did a can of RP-100 come in the kit, or was that purchased seperately?Matthttps://www.blogger.com/profile/13484982826564089454noreply@blogger.comtag:blogger.com,1999:blog-3612012025300219489.post-83116652287492600422018-01-06T21:38:51.547-05:002018-01-06T21:38:51.547-05:00They were kinda fun. I had the Yankee 5. As alre...They were kinda fun. I had the Yankee 5. As already replied, the cold power idea was a novelty and didn't really equal the thrust of typical engines. R12/Freon was cheap back then and there was no regulation on just discharging it into the air. I've read people experiment with other propellants, but using R12 or even R134 like that these days is a pretty serious crime, so you'd need to consider that...Anonymousnoreply@blogger.com