Originally posted by Kepler
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Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2
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CCT '77 & '78
4 kids
5 grandsons (BCA 7/09, CJA 5/14, JDL 8/14, JFL 6/16, PJL 7/18)
1 granddaughter (EML 4/18)
”Any society that would give up a little liberty to gain a little security will deserve neither and lose both.”
- Benjamin Franklin
Banned from the St. Lawrence University Facebook page - March 2016 (But I got better).
I want to live forever. So far, so good.
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Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2
Originally posted by Kepler View PostAnd yet... you clicked.
My milkshake brings all the boys to the yard."The party told you to reject the evidence of your eyes and ears. It was their final, most essential command." George Orwell, 1984
"One does not simply walk into Mordor. Its Black Gates are guarded by more than just Orcs. There is evil there that does not sleep, and the Great Eye is ever watchful. It is a barren wasteland, riddled with fire and ash and dust, the very air you breathe is a poisonous fume." Boromir
"Good news! We have a delivery." Professor Farnsworth
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Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2
Originally posted by St. Clown View PostSo now you're saying that you're a Catholic priest?Cornell University
National Champion 1967, 1970
ECAC Champion 1967, 1968, 1969, 1970, 1973, 1980, 1986, 1996, 1997, 2003, 2005, 2010
Ivy League Champion 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1977, 1978, 1983, 1984, 1985, 1996, 1997, 2002, 2003, 2004, 2005, 2012, 2014, 2018, 2019, 2020
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Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2
Originally posted by burd View PostThe Pied Piper of Peenys.Cornell University
National Champion 1967, 1970
ECAC Champion 1967, 1968, 1969, 1970, 1973, 1980, 1986, 1996, 1997, 2003, 2005, 2010
Ivy League Champion 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1977, 1978, 1983, 1984, 1985, 1996, 1997, 2002, 2003, 2004, 2005, 2012, 2014, 2018, 2019, 2020
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Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2
SpaceX Falcon Heavy now scheduled for 8:00 pm. Upper winds may push that back
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@SpaceX: New T-0 of 8:32 p.m. EDT due to upper-level winds. Vehicle and payload still look good for launch.Last edited by joecct; 04-10-2019, 05:45 PM.CCT '77 & '78
4 kids
5 grandsons (BCA 7/09, CJA 5/14, JDL 8/14, JFL 6/16, PJL 7/18)
1 granddaughter (EML 4/18)
”Any society that would give up a little liberty to gain a little security will deserve neither and lose both.”
- Benjamin Franklin
Banned from the St. Lawrence University Facebook page - March 2016 (But I got better).
I want to live forever. So far, so good.
Comment
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Originally posted by joecct View PostSpaceX Falcon Heavy now scheduled for 8:00 pm. Upper winds may push that back
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@SpaceX: New T-0 of 8:32 p.m. EDT due to upper-level winds. Vehicle and payload still look good for launch.
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Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2
Originally posted by Kepler View PostSay hello to my little friend.
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Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2
Elon goes 3 for 3 on booster recovery this pm.CCT '77 & '78
4 kids
5 grandsons (BCA 7/09, CJA 5/14, JDL 8/14, JFL 6/16, PJL 7/18)
1 granddaughter (EML 4/18)
”Any society that would give up a little liberty to gain a little security will deserve neither and lose both.”
- Benjamin Franklin
Banned from the St. Lawrence University Facebook page - March 2016 (But I got better).
I want to live forever. So far, so good.
Comment
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Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2
Hey! SpaceX recovered the fairings, too!!!!
https://www.space.com/amp/spacex-reu...nk-launch.htmlCCT '77 & '78
4 kids
5 grandsons (BCA 7/09, CJA 5/14, JDL 8/14, JFL 6/16, PJL 7/18)
1 granddaughter (EML 4/18)
”Any society that would give up a little liberty to gain a little security will deserve neither and lose both.”
- Benjamin Franklin
Banned from the St. Lawrence University Facebook page - March 2016 (But I got better).
I want to live forever. So far, so good.
Comment
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Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2
Originally posted by joecct View Post
I have no doubt they come out ahead because (1) they can charge so much less and (2) why do it otherwise? But what are the actuals for the ROI on reusability? Are they recovering a majority of the cost of the components?Cornell University
National Champion 1967, 1970
ECAC Champion 1967, 1968, 1969, 1970, 1973, 1980, 1986, 1996, 1997, 2003, 2005, 2010
Ivy League Champion 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1977, 1978, 1983, 1984, 1985, 1996, 1997, 2002, 2003, 2004, 2005, 2012, 2014, 2018, 2019, 2020
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Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2
Originally posted by Kepler View PostWhat is the actual economics of recovery? It saves money to reuse pieces but it also costs money to retrieve them and of course for the tech to make them recoverable in the first place (though I guess that's sunk cost?).
I have no doubt they come out ahead because (1) they can charge so much less and (2) why do it otherwise? But what are the actuals for the ROI on reusability? Are they recovering a majority of the cost of the components?
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Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2
Originally posted by GrinCDXX View PostAccording to Musk, the first stage accounts for 75% of the cost of a Falcon 9.Cornell University
National Champion 1967, 1970
ECAC Champion 1967, 1968, 1969, 1970, 1973, 1980, 1986, 1996, 1997, 2003, 2005, 2010
Ivy League Champion 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1977, 1978, 1983, 1984, 1985, 1996, 1997, 2002, 2003, 2004, 2005, 2012, 2014, 2018, 2019, 2020
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Re: Science: Everything explained by PV=nRT, F=ma=Gm(1)•m(2)/r^2
Originally posted by Kepler View PostDoes he recoup all of it?
https://spacenews.com/spacexs-reusab...for-customers/
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