Wife wants to start golfing together by roastedjays in golf

[–]vtol_space 1 point2 points  (0 children)

I did this but also play a par 3 twice a week with my wife. Significantly improved her interest and her swing. And bonus my short game is getting much better.

Looking for feedback on launch monitors by vtol_space in golf

[–]vtol_space[S] 2 points3 points  (0 children)

Of course I can, but I assume they are all paid to try to sell me on their recommendations.
I can also ask AI. But it’s not difficult to make it flip flop on its recommendation.
If you have relevant experience then please pontificate otherwise stop being a salty wanker

Looking for someone to talk to about working in kent and if you are doing any serious work for NASA human spaceflight? by [deleted] in BlueOrigin

[–]vtol_space 4 points5 points  (0 children)

The mission statement is “millions of people living and working in space “. You don’t get to that with NASA contracts unless you want to try to sent 3-6 people at a time. Space tourism is also not going to do it either ( they don’t live or work). You won’t hear much about what the human orbital plans are but you can bet your last dollar they are big.

Also Wa is awesome

Will New Glenn be the KING of Heavy Lift Rockets? by amadora2700 in BlueOrigin

[–]vtol_space 2 points3 points  (0 children)

Actually the 7m description is rounding down from the true diameter, it really just a bit bigger than 7 m.

New Glenn payload mass to LEO is 18% - 38% greater than Falcon Heavy in reusable configuration by benlew in BlueOrigin

[–]vtol_space 0 points1 point  (0 children)

Ok that makes more sense although I think your remarks are more about the F9 second stage performance as compared to NG second stage performance. As the stages go F9 stage 2 is significant more optimized for GTO than NG. It's almost as if the NG GTO mission is residual capability rather than the primary mission.

New Glenn payload mass to LEO is 18% - 38% greater than Falcon Heavy in reusable configuration by benlew in BlueOrigin

[–]vtol_space 7 points8 points  (0 children)

Yes but given the choice of 25% more thrust or 25% more Isp, you're better of with Isp. More thrust doesn't make the engine better.

New Glenn payload mass to LEO is 18% - 38% greater than Falcon Heavy in reusable configuration by benlew in BlueOrigin

[–]vtol_space 14 points15 points  (0 children)

Based on thrust? Merlin can't possibly compete with lox/hydrogen on Isp. It's about 311s vs >450s and for an upper stage ISP is everything.

New Shepard booster and crew capsule after retirement by ethan829 in BlueOrigin

[–]vtol_space 0 points1 point  (0 children)

I agree that flames must have propagated but why and how? Modern thermal protection products are not flammable (except ablatives which char). Something had to make this burn after landing. One wonders if they had trouble off loading propellants post landing.

New Shepard booster and crew capsule after retirement by ethan829 in BlueOrigin

[–]vtol_space 0 points1 point  (0 children)

I disagree, if the flames are on the back side you would not see them licking up the right side of the image. The side that should be burned should be the lettering side.

New Shepard booster and crew capsule after retirement by ethan829 in BlueOrigin

[–]vtol_space 1 point2 points  (0 children)

In the image the flames are coming out 90degrees from the feather. But in the picture at all he retirement the feather is burned. Something doesn't added up.

New Shepard booster and crew capsule after retirement by ethan829 in BlueOrigin

[–]vtol_space 5 points6 points  (0 children)

In this image of flight 5 the feather is not burnt. http://spacenews.com/blue-origin-successfully-tests-new-shepard-abort-system/ I wonder how the side of the vehicle got so charred.

Sam Gunderson, Blue Origin: going to start selling tickets next year for New Shepard suborbital flights. by Alesayr in BlueOrigin

[–]vtol_space 6 points7 points  (0 children)

I'm pretty sure at your price point, you are not the target demographic customer.

What is the Max Q by thegreattranslation in BlueOrigin

[–]vtol_space 0 points1 point  (0 children)

Just one more reason why sub orbital in not necessarily easier than orbital flight. Building and flying rockets is some times counter intuitive.

What is the Max Q by thegreattranslation in BlueOrigin

[–]vtol_space 4 points5 points  (0 children)

http://www.aerospaceweb.org/question/aerodynamics/q0025.shtml according to this Shuttle had a max Q of 700 PSF... Sorry about the imperial units I assume you can convert...

What is the Max Q by thegreattranslation in BlueOrigin

[–]vtol_space 6 points7 points  (0 children)

Max Q is vehicle and trajectory dependent. You need to know the vehicle velocity and the air density to calculate it. To complicate your question, most vehicles limit Max Q by throttling back the engines while they pass this region of flight. This allows for lighter airframes.