tag:blogger.com,1999:blog-36913768.post4745126670187894598..comments2024-03-27T22:31:22.146-07:00Comments on Unreasonable Rocket: Paul Breedhttp://www.blogger.com/profile/11024641086551653462noreply@blogger.comBlogger15125tag:blogger.com,1999:blog-36913768.post-14727391204447473962022-04-30T01:52:22.163-07:002022-04-30T01:52:22.163-07:00I like to wax my legs and stick the hair on my bac...I like to wax my legs and stick the hair on my back. Why? Because it keeps my back warm. There's method in my madness.<br /><br /><br /><br /><br /><a href="https://simkhan.ir/simcard912" rel="nofollow"><b>خرید سیم کارت 0912</b></a>فروش فوری سیم کارتhttps://simkhan.ir/noreply@blogger.comtag:blogger.com,1999:blog-36913768.post-70094301773724565272022-04-02T06:37:46.857-07:002022-04-02T06:37:46.857-07:00토토사이트 Nice and very unique post…help for me…. ...<a href="https://www.betmantoto.pro/" title="토토사이트" rel="nofollow">토토사이트</a> Nice and very unique post…help for me…. 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I will connect it back to your site thoughBadukhttps://www.blogger.com/profile/10174104418074867665noreply@blogger.comtag:blogger.com,1999:blog-36913768.post-76890845146698623942020-07-21T02:34:29.725-07:002020-07-21T02:34:29.725-07:00Assignment Writing Help This task help UK gives 2...<a href="https://www.allassignmenthelp.com/uk/assignment-writing-help-uk.html" rel="nofollow"> Assignment Writing Help </a> This task help UK gives 24 hours of accessibility to understudies. 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You will get 100% plagiarism free assignment. james cookhttps://www.blogger.com/profile/06106751676446689561noreply@blogger.comtag:blogger.com,1999:blog-36913768.post-59461036240035957672019-04-18T00:15:53.521-07:002019-04-18T00:15:53.521-07:00Homelessness describes a situation in which people...Homelessness describes a situation in which people lack a fixed dwelling place. A homeless individual is a person without a fixed and regular nighttime residence (Baumohl 1). Shelter is one of the most basic needs, yet many people lack this basic necessity. Homelessness in San Francisco has continued to be an issue of concern to government officials and social service providers. Read more at the <a href="https://primeessays.com/samples/sociology/homelessness-in-san-francisco.html" rel="nofollow">essays homelessness</a>Kelly Mitchellnoreply@blogger.comtag:blogger.com,1999:blog-36913768.post-50806268826996484922018-11-12T08:33:00.667-08:002018-11-12T08:33:00.667-08:00Actually Space Port America and Gerlatch NV are al...Actually Space Port America and Gerlatch NV are almost exactly the same time distance from home. If one has to pick up things from FAR on the way then Gerlatch is 6 hours closer...<br /><br />Paul Breedhttps://www.blogger.com/profile/11024641086551653462noreply@blogger.comtag:blogger.com,1999:blog-36913768.post-50131934278240354412018-11-04T00:16:11.112-07:002018-11-04T00:16:11.112-07:00Closer than Black Rock.Closer than Black Rock.Ben Brockerthttps://www.blogger.com/profile/07288306199282855324noreply@blogger.comtag:blogger.com,1999:blog-36913768.post-47253730134091450862018-11-03T18:08:18.395-07:002018-11-03T18:08:18.395-07:00Ben, when you say "Spaceport America is close...Ben, when you say "Spaceport America is closer to San Diego"...closer than what?Jimmy Bealhttps://www.blogger.com/profile/06216421763552999178noreply@blogger.comtag:blogger.com,1999:blog-36913768.post-82052706376762655242018-11-03T11:58:45.723-07:002018-11-03T11:58:45.723-07:00Paul, a few thoughts:
* To get a successful fligh...Paul, a few thoughts:<br /><br />* To get a successful flight in not too many attempts you are going to want fins. The dynamics of a small finless rocket through max Q are severe, much worse than anything you see when hovering. A small upset will rapidly put you out of gimbal range. Doing monte carlo sims of the full flight will show you that quickly, if you set that up, but as a first approximation just figuring out how much AoA equals your gimbals around max Q will make it clear. Any quantity of fins will help (note that Long March 2C even has fins) but enough fins to be just stable will also keep the rocket from immediately breaking up if the engine shuts off early.<br /><br />* Blow down with the ullage under the propellant is an interesting approach, but sounds like it'll make for a lot of complicated bulkheads if you're trying to keep the OML clean. Also any overfilled propellant that falls into the ullage tank will be dead weight.<br /><br />* We already talked on Twitter about the recovery system, I'm a fan of recovering the payload and crashing the rocket if that's compatible with your program goals. Here you say "prevent supersonic reentry", which is basically impossible for a flight to 100km. At some point it's going to be falling supersonic.<br /><br />* Regarding space launch sites, Spaceport America is closer to San Diego and makes it possible to stay at a motel at night rather than requiring the whole team to camp. You might be able to get a good deal with them to do the launch, but if you can't there's nothing stopping you from setting up on BLM land outside the spaceport itself and using the same airspace. In the end you're working with the FAA and WSMR in both cases, and I don't know what SpAm would offer you beyond one of Armadillo's concrete pads and gated access.<br /><br />* On RCS, Gary Hooper showed that it was completely plausible to build a finned rocket with no significant roll. https://www.youtube.com/watch?v=I-FhXvLtk-U&frags=pl%2CwnBen Brockerthttps://www.blogger.com/profile/07288306199282855324noreply@blogger.comtag:blogger.com,1999:blog-36913768.post-26711140506211209512018-11-02T08:01:59.162-07:002018-11-02T08:01:59.162-07:00Limit is ~ 50,000 ft.
Can probably be extended to ...Limit is ~ 50,000 ft.<br />Can probably be extended to 75K.<br />Can't got to 100Km.Paul Breedhttps://www.blogger.com/profile/11024641086551653462noreply@blogger.comtag:blogger.com,1999:blog-36913768.post-68842783347218719202018-11-01T19:53:48.252-07:002018-11-01T19:53:48.252-07:00Awesome! So glad Unreasonable Rocket is back!
Wha...Awesome! So glad Unreasonable Rocket is back!<br /><br />What's the altitude limit at FAR?Tard Marklesonnoreply@blogger.comtag:blogger.com,1999:blog-36913768.post-34685955462118174302018-11-01T11:32:37.446-07:002018-11-01T11:32:37.446-07:00No I have no current need for 5 axis anything....
...No I have no current need for 5 axis anything....<br />I think the process will be:<br />1)Design....<br />2)3D print in resin on the form 2....<br />3)Repeat steps 1,2 until happy....<br />4)3D print in aluminum.<br />5)Machine the 3d printed parts to clean up sealing surfaces.<br />6)Test...<br />Go back to step 1....<br /><br />Paul Breedhttps://www.blogger.com/profile/11024641086551653462noreply@blogger.comtag:blogger.com,1999:blog-36913768.post-23914604316492962392018-11-01T11:08:55.176-07:002018-11-01T11:08:55.176-07:00Are you planning any 5-Axis work with fusion 360?Are you planning any 5-Axis work with fusion 360?Monroehttps://www.blogger.com/profile/07756035471086234964noreply@blogger.com