Lunarpedia - User contributions [en]

PDE, Pulse Detonation Engine

2009-07-24T15:34:05Z

Navigaiter:

Pulse Detonation Engines, (PDE's), offer hope for finally achieving the Holy Grail of Citizens' Access to Space, CATS. PDE's are simple air-breathing jet engines offering enormous power and exhaust velocity.
*PDE's are advanced ramjets similar to the V1 Buzzbomb original jet.
*PDE's don't burn kerosene, they explode it in rapid pulsing conflagrations.
*PDE's do not carry oxidizer, they burn atmospheric oxygen, making them smaller and lighter boosters than rocket boosters.
*PDE's, being lighter and smaller, offer cheaper fly-back designs than huge dual propellant booster tanks, again cheapening space access.

PDE, Pulse Detonation Engine

2009-07-24T15:33:10Z

Navigaiter: features of PDE engines

Pulse Detonation Engines, (PDE's), offer hope for finally achieving the Holy Grail of Citizens' Access to Space, CATS. PDE's are simple air-breathing jet engines offering enormous power and exhaust velocity.
*PDE's are advanced ramjets similar to the V1 Buzzbomb original jet.
*PDE's don't burn kerosene, they explode it in rapid pulsing conglagrations.
*PDE's do not carry oxidizer, they burn atmospheric oxygen, making them smaller and lighter boosters than rocket boosters.
*PDE's, being lighter and smaller, offer cheaper fly-back designs than huge dual propellant booster tanks, again cheapening space access.

List of Propulsion Systems

2009-07-24T15:16:31Z

Navigaiter: changed it back to PDE, sorry

{{Bootstrap}}

==Moon launched==
[[Conventional Chemical]] -- (links to Astronautix might be useful here)<BR/>
[[LOX-Aluminium]] -- derived from lunar oxygen and mined aluminium<BR/>
[[LOX-Hydrogen]] -- derived from polar ice<BR/>
[[Maglev]] launcher -- a la Gerard O'Neill and/or Heinlein<BR/>
[[Ring launch]] or [[line launch]]<BR/>

==Earth launched==
[[Conventional Chemical]] -- (links to Astronautix might be useful here)<BR/>
[[ATO, Airship To Orbit as per JP Aerospace]]<BR/>
[[PDE, Pulse Detonation Engine]]<BR/>
[[SCRAMJet]]<BR/>
[[Space Elevator]]<BR/>
[[Mass Driver]]<BR/>
[[Rockoon 'Rockets launched from balloons']]<BR/>
[[Tether]]<BR/>
[[Inverted-aerobraking]]<BR/>
[[Momentum from GTO]]<BR/>

==Interplanetary Transfer==
*[[Conventional Chemical]] -- (links to Astronautix might be useful here)
*[[Nuclear]] -- [[Orion]].
*[[Magnetoplasma]]
*[[Ion propulsion]]

*[[Solar sail]]
*[[Tether]]

[[Category:Space Transport]]
[[Category:Components]]
[[Category:Hardware Plans]]

List of Propulsion Systems

2009-07-24T15:10:28Z

Navigaiter: corrected PDE to PDRE

{{Bootstrap}}

==Moon launched==
[[Conventional Chemical]] -- (links to Astronautix might be useful here)<BR/>
[[LOX-Aluminium]] -- derived from lunar oxygen and mined aluminium<BR/>
[[LOX-Hydrogen]] -- derived from polar ice<BR/>
[[Maglev]] launcher -- a la Gerard O'Neill and/or Heinlein<BR/>
[[Ring launch]] or [[line launch]]<BR/>

==Earth launched==
[[Conventional Chemical]] -- (links to Astronautix might be useful here)<BR/>
[[ATO, Airship To Orbit as per JP Aerospace]]<BR/>
[[PDRE, Pulse Detonation Rocket Engine]]<BR/>
[[SCRAMJet]]<BR/>
[[Space Elevator]]<BR/>
[[Mass Driver]]<BR/>
[[Rockoon 'Rockets launched from balloons']]<BR/>
[[Tether]]<BR/>
[[Inverted-aerobraking]]<BR/>
[[Momentum from GTO]]<BR/>

==Interplanetary Transfer==
*[[Conventional Chemical]] -- (links to Astronautix might be useful here)
*[[Nuclear]] -- [[Orion]].
*[[Magnetoplasma]]
*[[Ion propulsion]]

*[[Solar sail]]
*[[Tether]]

[[Category:Space Transport]]
[[Category:Components]]
[[Category:Hardware Plans]]

List of Propulsion Systems

2009-07-24T14:54:25Z

Navigaiter: newer orbital access possibilities

Talk:Lunokhod

2009-07-15T01:52:20Z

Navigaiter: criticising the critic

==Lunakhod [sic]==
Could we perhaps spell Lunokhod correctly? -- <SMALL>unsigned comment by 207.200.116.70</SMALL>

:Oops! Thank you for catching that! -- [[User:Strangelv|Strangelv]] 09:10, 13 July 2009 (UTC)

[[User:Navigaiter|Navigaiter]] hmm. Could the anonymous poster lighten up and grow up and learn that sometimes two different spellings can be correct? A websearch would've shown that "Lunakhod" turns up on many authoritive web sites using that spelling. Please go to all of them '''too''' and suggest they're incorrectly spelling your preferred "Lunokhod." (wish that I had so little to do)

User talk:Navigaiter

2009-07-15T01:43:47Z

Navigaiter: hi from allen

My pic is from May2009 at Epcot Center in Orlando. The Mission to Mars simulation is great but not worth the eighty dollars price of admission. Ripoff park. The lines are so bad you won't get to do more than two good rides a day. Disney Corp is no longer cool.

User:Navigaiter

2009-07-15T01:40:57Z

Navigaiter: introducing myself

[[Image:allenmeece2.gif]]

Howdy from the LunarDreamer Allen Meece in Key West.
Sixty five and still alive.

File talk:Allenmeece2.gif

2009-07-15T01:35:22Z

Navigaiter: Allen Meece, May 2009 at Epcot Center

Photo taken May 2009 at Disney Ripoff Epcot Center where you'll wait four hours for a five-minute Mars video mission.

File:Allenmeece2.gif

2009-07-15T01:33:15Z

Navigaiter: Navigaiter, Lunar Dreamer.

Navigaiter, Lunar Dreamer.

Category:Infrastructures:Architecture:Habitat

2009-07-15T01:01:15Z

Navigaiter: started habitat page

A [[habitat]] is where people will live and work and be protected from the harsh Lunar climate.
The first Lunar Settlement structure will be multi-purpose capsule perhaps called the "LunaLodge."

Home

2009-07-10T17:18:23Z

Navigaiter: added a great wiki help link

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__NOTOC__

File talk:LunaLodge1 OpenLuna.gif

2009-07-08T02:30:41Z

Navigaiter: start

Let's start a discussion on the protohab here. [[User:Navigaiter|Navigaiter]] 02:30, 8 July 2009 (UTC)

Habitat

2009-07-08T02:23:26Z

Navigaiter: added hab image.

'''FIRST STAGE HABITAT'''

--[[User:Navigaiter|Navigaiter]] 02:23, 8 July 2009 (UTC)Here is my drawing [I did for the OpenLuna Wiki] for a ProtoHab supporting up to five crew on Luna. [[User:Navigaiter|Navigaiter]] Comments??? Lemme see if there's some life here. Click image for blowup.
[[Image:LunaLodge1 OpenLuna.gif|thumb|500px]]

----

----

'''THIRD STAGE HABITAT'''

Tunnel bored habitat (TB-habitat) - Artificial cave
A TB-habitat is a habitat constructed using a tunnel boring machine (TBM). A TBM will have to be specifically designed for this purpose taking weight into account, as it has to be lifted from the Earth’s surface and landed on the lunar surface. This will diminish its cutting diameter.

This type of habitat is a 'third stage' habitat, as opposed to the habitat that will be used by the first party that lands on the Moon. That habitat would be categorized as a 'first stage' habitat. And when a permanent ('second stage') settlement has been build, TB-habitats are to be used to expand the settlement quickly and inexpensively.

The approach would be, to drill a grid of intersecting tunnels, each closed of at the ends by a air tight wall or, on occasion, an airlock. Within this grid, sections can be closed of with non-load-bearing walls creating dormitory rooms, workspaces, technical facilities, labs, social hubs, underground greenhouses, and so on.

This approach requires the ability to make shotcrete(or gunite) on location. This means being able to make shotcrete from lunar regolith and available water. It probably will be necessary to strengthen the shotcrete with a spiral, winding steel wire (perhaps spot welded to straight wires). The tunnel will have to be able to carry the weight of the rock and soil above. And as lunar gravity is less than Earth's gravity, it will be physically less of a stretch to bear the weight.

Added advantage would be that the occupiers would have no worries about solar flares and other types of radiation.

It speaks for itself that the dimensions of the power supply, water supply, heating and air-conditioning are determined by the number of inhabitants, and the amount of vegetation.

[[category:Civil Engineering]]
[[category:Architecture]]

File:LunaLodge1 OpenLuna.gif

2009-07-08T02:07:14Z

Navigaiter: Supports up to four crew. Very rough preliminary drawing.

Supports up to four crew. Very rough preliminary drawing.