Talk:Mass Drivers - Revision history

Farred: Undo revision 92607 by 37.113.57.34 (talk) remove vandalism

2016-08-04T18:21:20Z

Undo revision 92607 by 37.113.57.34 (talk) remove vandalism

37.113.57.34: /* viagrdsfdfrt */ new section

2015-11-14T12:32:32Z

viagrdsfdfrt: new section

207.224.85.91: Undo revision 16227 by 202.53.227.147 (talk) removing vandalism

2011-07-06T18:56:10Z

Undo revision 16227 by 202.53.227.147 (talk) removing vandalism

202.53.227.147: /* Dust from L2 */

2011-06-28T03:40:32Z

Dust from L2

Farred: spelling

2008-10-27T03:41:56Z

spelling

Farred: spelling

2008-07-07T01:16:57Z

spelling

Farred: /* Flashbulb Rocket */

2008-07-07T01:12:59Z

Flashbulb Rocket

Farred: /* Flashbulb Rocket */

2008-07-07T01:07:02Z

Flashbulb Rocket

Farred: /* Flashbulb Rocket */

2008-06-18T14:30:09Z

Flashbulb Rocket

Jarogers2001: /* TOC */

2008-06-13T03:27:00Z

TOC

← Older revision		Revision as of 18:21, 4 August 2016
Line 15:		Line 15:
	== More Flashbulb Rocket ==		== More Flashbulb Rocket ==
	Versions of a flashbulb rocket have been suggested in which the combustion chamber would be within the oxygen tank. Both the combustion chamber and oxygen tank would be radially symmetric about the axis of rotation of the spin stabilized spacecraft. An aluminum coated glass film plug might stop up the expansion nozzle to prevent sunlight from entering the combustion chamber before ignition. A pressure relief valve would maintain temperature in the insulated oxygen tank. --[[User:Farred\|Farred]] 03:41, 27 October 2008 (UTC)		Versions of a flashbulb rocket have been suggested in which the combustion chamber would be within the oxygen tank. Both the combustion chamber and oxygen tank would be radially symmetric about the axis of rotation of the spin stabilized spacecraft. An aluminum coated glass film plug might stop up the expansion nozzle to prevent sunlight from entering the combustion chamber before ignition. A pressure relief valve would maintain temperature in the insulated oxygen tank. --[[User:Farred\|Farred]] 03:41, 27 October 2008 (UTC)
−
−	~~== viagrdsfdfrt ==~~
−
−	~~http://comprarviagragenricoes.com/ precio viagra~~
−	~~http://comprarviagragenerico25mg.net/ venta viagra~~
−	~~http://achatviagrageneriquefrance.net/ acheter viagra~~
−	~~http://kaufenviagragenerika.com/ kaufen viagra~~

← Older revision		Revision as of 12:32, 14 November 2015
Line 15:		Line 15:
	== More Flashbulb Rocket ==		== More Flashbulb Rocket ==
	Versions of a flashbulb rocket have been suggested in which the combustion chamber would be within the oxygen tank. Both the combustion chamber and oxygen tank would be radially symmetric about the axis of rotation of the spin stabilized spacecraft. An aluminum coated glass film plug might stop up the expansion nozzle to prevent sunlight from entering the combustion chamber before ignition. A pressure relief valve would maintain temperature in the insulated oxygen tank. --[[User:Farred\|Farred]] 03:41, 27 October 2008 (UTC)		Versions of a flashbulb rocket have been suggested in which the combustion chamber would be within the oxygen tank. Both the combustion chamber and oxygen tank would be radially symmetric about the axis of rotation of the spin stabilized spacecraft. An aluminum coated glass film plug might stop up the expansion nozzle to prevent sunlight from entering the combustion chamber before ignition. A pressure relief valve would maintain temperature in the insulated oxygen tank. --[[User:Farred\|Farred]] 03:41, 27 October 2008 (UTC)
		+
		+	== viagrdsfdfrt ==
		+
		+	http://comprarviagragenricoes.com/ precio viagra
		+	http://comprarviagragenerico25mg.net/ venta viagra
		+	http://achatviagrageneriquefrance.net/ acheter viagra
		+	http://kaufenviagragenerika.com/ kaufen viagra

@@ Line 6: / Line 6: @@
 ::I left instructions as to how to modify it within the article itself as a comment.  Comments are not visible when the article is displayed and can only be viewed when editing the article code.  [[User:Jarogers2001|Jarogers2001]] 03:27, 13 June 2008 (UTC)
-THX that's a great asnwer!
+==Dust from L2==
+That the three body problem in celestial mechanics in not solvable in general is well known, but I can get a specific reference.  I have seen articles that present interesting results for the Earth moon system, but have not located them when looking for them recently.  Simply, particles left to drift near the L2 point with a small relative velocity are each in an individual trajectory but not in any of the special cases in which there is a repeating path.  There are classes of trajectories for which the fate is to intersect the surface of Luna in less than a month.  There are similar classes intersecting Earth's surface.  Some trajectories are ejected from the system into independent solar orbit.  Some trajectories hang around the Earth moon system for years before finding one of these eventual fates.  It would be expected that dust and grit particles released from breaking fiberglass bags of sifted fraction of regolith would enter all such trajectories unless precautions are taken to prevent that.
 ==Flashbulb Rocket==
 If I remember correctly, the circularizing velocity for the mass driver described in "FIRST MASS DRIVER" is about seven meters per second, less than one thousandth of the mission delta v for Earth to low Earth orbit.  This should be well within the range of oxygen aluminum rockets that people should one day be able to produce on Luna.  As for the flashbulb rocket in particular it is essentially a solid fuel pressure feed oxidizer rocket in which the exhaust gas is the excess oxygen.  Igniting this rocket should be no  more difficult than igniting a flash bulb.  The particular fuel/oxidizer mixture that melts open the valve to the oxygen tank need not be exactly thermite.  The Aluminum oxide threads coated with aluminum and or magnesium would need coatings of silicon oxide and or silicon on some to control burn rate, allow pressure build up in the combustion chamber and allow transfer of heat to the excess oxidizer.  This would be a single use rocket for which the electronic timer and battery or capacitive storage device would be salvaged.  Another sort of rocket might do as well.

@@ Line 6: / Line 6: @@
 ::I left instructions as to how to modify it within the article itself as a comment.  Comments are not visible when the article is displayed and can only be viewed when editing the article code.  [[User:Jarogers2001|Jarogers2001]] 03:27, 13 June 2008 (UTC)
-==Dust from L2==
+THX that's a great asnwer!
-That the three body problem in celestial mechanics in not solvable in general is well known, but I can get a specific reference.  I have seen articles that present interesting results for the Earth moon system, but have not located them when looking for them recently.  Simply, particles left to drift near the L2 point with a small relative velocity are each in an individual trajectory but not in any of the special cases in which there is a repeating path.  There are classes of trajectories for which the fate is to intersect the surface of Luna in less than a month.  There are similar classes intersecting Earth's surface.  Some trajectories are ejected from the system into independent solar orbit.  Some trajectories hang around the Earth moon system for years before finding one of these eventual fates.  It would be expected that dust and grit particles released from breaking fiberglass bags of sifted fraction of regolith would enter all such trajectories unless precautions are taken to prevent that.
 ==Flashbulb Rocket==
 If I remember correctly, the circularizing velocity for the mass driver described in "FIRST MASS DRIVER" is about seven meters per second, less than one thousandth of the mission delta v for Earth to low Earth orbit.  This should be well within the range of oxygen aluminum rockets that people should one day be able to produce on Luna.  As for the flashbulb rocket in particular it is essentially a solid fuel pressure feed oxidizer rocket in which the exhaust gas is the excess oxygen.  Igniting this rocket should be no  more difficult than igniting a flash bulb.  The particular fuel/oxidizer mixture that melts open the valve to the oxygen tank need not be exactly thermite.  The Aluminum oxide threads coated with aluminum and or magnesium would need coatings of silicon oxide and or silicon on some to control burn rate, allow pressure build up in the combustion chamber and allow transfer of heat to the excess oxidizer.  This would be a single use rocket for which the electronic timer and battery or capacitive storage device would be salvaged.  Another sort of rocket might do as well.

@@ Line 7: / Line 7: @@
 ==Dust from L2==
-That the three body problem in celestial mechanics in not solvable in general is well known, but I can get a specific reference.  I have seen articles that present interesting results for the Earth moon system, but have not located them when looking for them recently.  Simply, particles left to drift near the L2 point with a small relative velocity are each in an individual trajectory but not in any of the special cases in which there is a repeating path.  There are classes of trajectories for which the fate is to intersect the surface of Luna in less than a month.  There are similar classes intersecting Earth's surface.  Some trajectories are ejected from the system into independant solar orbit.  Some trajectories hang aroung the Earth moon system for years before finding one of these eventual fates.  It would be expected that dust and grit particles released from breaking fiberglass bags of sifted fraction of regolith would enter all such trajectories unless precautions are taken to prevent that.
+That the three body problem in celestial mechanics in not solvable in general is well known, but I can get a specific reference.  I have seen articles that present interesting results for the Earth moon system, but have not located them when looking for them recently.  Simply, particles left to drift near the L2 point with a small relative velocity are each in an individual trajectory but not in any of the special cases in which there is a repeating path.  There are classes of trajectories for which the fate is to intersect the surface of Luna in less than a month.  There are similar classes intersecting Earth's surface.  Some trajectories are ejected from the system into independent solar orbit.  Some trajectories hang around the Earth moon system for years before finding one of these eventual fates.  It would be expected that dust and grit particles released from breaking fiberglass bags of sifted fraction of regolith would enter all such trajectories unless precautions are taken to prevent that.
 --'''FARTHERRED''' 8:10 Central daylight time
 ==Flashbulb Rocket==
 If I remember correctly, the circularizing velocity for the mass driver described in "FIRST MASS DRIVER" is about seven meters per second, less than one thousandth of the mission delta v for Earth to low Earth orbit.  This should be well within the range of oxygen aluminum rockets that people should one day be able to produce on Luna.  As for the flashbulb rocket in particular it is essentially a solid fuel pressure feed oxidizer rocket in which the exhaust gas is the excess oxygen.  Igniting this rocket should be no  more difficult than igniting a flash bulb.  The particular fuel/oxidizer mixture that melts open the valve to the oxygen tank need not be exactly thermite.  The Aluminum oxide threads coated with aluminum and or magnesium would need coatings of silicon oxide and or silicon on some to control burn rate, allow pressure build up in the combustion chamber and allow transfer of heat to the excess oxidizer.  This would be a single use rocket for which the electronic timer and battery or capacitive storage device would be salvaged.  Another sort of rocket might do as well.
@@ Line 15: / Line 14: @@
 == More Flashbulb Rocket ==
-Versions of a flashbulb rocket have been suggested in which the combustion chamber would be within the oxygen tank.  Both the cmbustion chamber and oxygen tank would be radially symmetric about the axis of rotation of the spin stabilized spacecraft.  An aluminum coated glass film plug might stop up the expansion nozzle to prevent sunlight from entering the combustion chamber before ignition.  A pressure relief valve would maintain temperature in the insulated oxygen tank.  --[[User:Farred|Farred]] 14:30, 18 June 2008 (UTC)
+Versions of a flashbulb rocket have been suggested in which the combustion chamber would be within the oxygen tank.  Both the combustion chamber and oxygen tank would be radially symmetric about the axis of rotation of the spin stabilized spacecraft.  An aluminum coated glass film plug might stop up the expansion nozzle to prevent sunlight from entering the combustion chamber before ignition.  A pressure relief valve would maintain temperature in the insulated oxygen tank. --[[User:Farred|Farred]] 03:41, 27 October 2008 (UTC)

← Older revision		Revision as of 01:16, 7 July 2008
Line 15:		Line 15:

	== More Flashbulb Rocket ==		== More Flashbulb Rocket ==
−	Versions of a flashbulb rocket have been suggested in which the combustion chamber would be within the oxygen tank. Both the cmbustion chamber and oxygen tank would be radially ~~simetric~~ about the axis of rotation of the spin stabilized spacecraft. An aluminum coated glass film plug might stop up the expansion nozzle to prevent sunlight from entering the combustion chamber before ignition. A pressure relief valve would maintain temperature in the insulated oxygen tank. --[[User:Farred\|Farred]] 14:30, 18 June 2008 (UTC)	+	Versions of a flashbulb rocket have been suggested in which the combustion chamber would be within the oxygen tank. Both the cmbustion chamber and oxygen tank would be radially symmetric about the axis of rotation of the spin stabilized spacecraft. An aluminum coated glass film plug might stop up the expansion nozzle to prevent sunlight from entering the combustion chamber before ignition. A pressure relief valve would maintain temperature in the insulated oxygen tank. --[[User:Farred\|Farred]] 14:30, 18 June 2008 (UTC)

@@ Line 11: / Line 11: @@
 ==Flashbulb Rocket==
-If I remember correctly, the circularizing velocity for the mass driver described in "FIRST MASS DRIVER" is about seven meters per second, less than one thousandth of the mission delta v for Earth to low Earth orbit.  This should be well within the range of oxygen aluminum rockets that people should one day be able to produce on Luna.  As for the flashbulb rocket in particular it is essentially a solid fuel pressure feed oxidizer rocket in which the exhaust gas is the excess oxygen.  Igniting this rocket should be no  more difficult than igniting a flash bulb.  The particular fuel/oxidizer mixture that melts open the valve to the oxygen tank need not be exactly thermite.  The Aluminum oxide threads coated with aluminum and or magnesium would need coatings of silicon oxide and or silicon to control burn rate, allow pressure build up in the combustion chamber and allow transfer of heat to the excess oxidizer.  This would be a single use rocket for which the electronic timer and battery or capacitive storage device would be salvaged.  Another sort of rocket might do as well.
+If I remember correctly, the circularizing velocity for the mass driver described in "FIRST MASS DRIVER" is about seven meters per second, less than one thousandth of the mission delta v for Earth to low Earth orbit.  This should be well within the range of oxygen aluminum rockets that people should one day be able to produce on Luna.  As for the flashbulb rocket in particular it is essentially a solid fuel pressure feed oxidizer rocket in which the exhaust gas is the excess oxygen.  Igniting this rocket should be no  more difficult than igniting a flash bulb.  The particular fuel/oxidizer mixture that melts open the valve to the oxygen tank need not be exactly thermite.  The Aluminum oxide threads coated with aluminum and or magnesium would need coatings of silicon oxide and or silicon on some to control burn rate, allow pressure build up in the combustion chamber and allow transfer of heat to the excess oxidizer.  The oxygen tank would be wrapped around the combustion chamber with both symetric around the spin axis.  This would be a single use rocket for which the electronic timer and battery or capacitive storage device would be salvaged.  Another sort of rocket might do as well.
 --'''FARTHERRED''' 8:10 Central daylight time
 == More Flashbulb Rocket ==
 Versions of a flashbulb rocket have been suggested in which the combustion chamber would be within the oxygen tank.  Both the cmbustion chamber and oxygen tank would be radially simetric about the axis of rotation of the spin stabilized spacecraft.  An aluminum coated glass film plug might stop up the expansion nozzle to prevent sunlight from entering the combustion chamber before ignition.  A pressure relief valve would maintain temperature in the insulated oxygen tank.  --[[User:Farred|Farred]] 14:30, 18 June 2008 (UTC)