Quote from: Proponent on 08/27/2018 02:57 pmTri-core Saturn 5, anyone?"Three-stage core" means that the core would have 3 stages, this 1992 document (on page 9) shows it having four side boosters with three F-1A engines each. So it would have 17 F-1A engines firing to produce 30.6 million pounds of thrust at liftoff. The payload is given as 281 mt (presumably to LEO but that isn't specified).
Tri-core Saturn 5, anyone?
Let's say that the US had chosen not to go to war in Vietnam, in which case Congress would have had a bit more fiscal leeway to provide substantial funding for the Apollo program in the 1967-1972 period. Even if the US had not gotten involved in Vietnam, would Congress have been inclined to fund the planned Apollo 18, 19, and 20 missions, given that Apollo 18, 19, and 20 never took place due to congressional cuts? If the Saturn program continued past 1972, would development of the future Space Shuttle have been put on the backburner?
Quote from: Vahe231991 on 08/21/2023 12:10 amLet's say that the US had chosen not to go to war in Vietnam, in which case Congress would have had a bit more fiscal leeway to provide substantial funding for the Apollo program in the 1967-1972 period. Even if the US had not gotten involved in Vietnam, would Congress have been inclined to fund the planned Apollo 18, 19, and 20 missions, given that Apollo 18, 19, and 20 never took place due to congressional cuts? If the Saturn program continued past 1972, would development of the future Space Shuttle have been put on the backburner?I'm going to say "no". Apollo was an enormous expenditure, war or not. Once astronauts stepped on the surface it was over. The public did not support the cost. The majority of Americans wanted it to end, especially after the goal had been achieved. It is no coincidence that Apollos 18-20 were all cancelled during 1970. Four astronauts had already done Moon walks. The race was over. - Ed Kyle
Indeed. As I noted recently in another thread here https://forum.nasaspaceflight.com/index.php?topic=48532.msg2501893#msg2501893 I was quite surprised (that was a British quite btw) that while Apollo cost the realtively[sic] well known sum of about $25 billion, all in, the Vietnam war was "only" about 6 to 7 times that.These are US govt budget declared costs so caveats apply etc etc but they give you an idea of orders of magnitude.
Quote from: LittleBird on 08/24/2023 01:05 pmIndeed. As I noted recently in another thread here https://forum.nasaspaceflight.com/index.php?topic=48532.msg2501893#msg2501893 I was quite surprised (that was a British quite btw) that while Apollo cost the realtively[sic] well known sum of about $25 billion, all in, the Vietnam war was "only" about 6 to 7 times that.These are US govt budget declared costs so caveats apply etc etc but they give you an idea of orders of magnitude.And a lot fewer people were killed as a result of Apollo than because of US involvement in Viet Nam. But, Viet Nam had taken over from Apollo as the symbol of American determination to halt the spread of global communism so it had to be supported regardless of the cost in money and lives. Somehow that resulted in 50 years later Viet Nam being considered a potential US ally and the US being the largest buyer of Vietnamese exports, even though the communist government stayed in place and eventually took over the entire nation. Go figure.
Everyone blames Nixon for cancelling Apollo (even though it was doomed once he took office). BUT, what would have happened to the space program had Nixon won the 1960 General election?
Launch vehicles were more in flux. A series of studies were conducted from 1959-1961. The Saturn C series of rockets emerged as early favorites. There were three variants of the Saturn C:-The Saturn C-1, a relatively small earth orbital launch vehicle. This was chosen for initial development, evolving into the Saturn I which first launched in 1961. It's fairly safe to say this would have occurred regardless of if Kennedy or Nixon won in 1960.-The Saturn C-3, a three stage rocket capable of placing 45,000kg into LEO. It would have used two F-1 engines in the first stage, 4 J-2 engines in the second, and 6 RL-10 engines in the third.-The Saturn C-5, a massive launch vehicle limited mainly by the capacity of existing aerospace manufacturing infrastructure. This of course became the Saturn V.By 1960 Von Braun and NASA mostly gave up on the Saturn C-5, believing they would never be able to get funding for it, but were still pushing hard for development of the Saturn C-3. The Saturn C-3 would have theoretically allowed lunar orbital missions, or an earth orbit rendezvous lunar landing mission. The latter was tentatively penciled out for the mid to late 1970s.
If the US had not gone to war in Vietnam and instead focused on channeling some funds to all Great Society initiatives and the War on Poverty, would Congress still have had enough wiggle room to fund all Apollo missions beyond Apollo 17 as well as the proposed Apollo Applications program?
The US had to run a deficit, and, I think, add a tax surcharge, to fund Vietnam war. This deficit was in fact one of the contributors to the space budget pressure in the early part of the Nixon administration, which reflected a much larger balanced budget issue. John Logsdon's After Apollo book is v good on this stuff.Does anyone really believe they'd have run a deficit for the programmes you mention-I would suggest the world didn't work that way ?
Quote from: LittleBird on 08/28/2023 01:55 pmThe US had to run a deficit, and, I think, add a tax surcharge, to fund Vietnam war. This deficit was in fact one of the contributors to the space budget pressure in the early part of the Nixon administration, which reflected a much larger balanced budget issue. John Logsdon's After Apollo book is v good on this stuff.Does anyone really believe they'd have run a deficit for the programmes you mention-I would suggest the world didn't work that way ?There are a lot of cost estimates for the Vietnam war, the exact figures can vary a lot depending on what you count as an expense, but even the lowest one I found ($110.7 billion - 1975 DoD count of direct war costs) is still 4x what was spent on the entire Apollo program ($25.8 billion).That 1975 DoD estimate only covers ammo expended in theater, replacement equipment, training and salaries for troops deployed to Vietnam, etc. It doesn't include the costs of equipment the used to support the war the DoD says it would have purchased anyway, stateside training costs, and foreign aid to South Vietnam. That brings the total to around $168 billion.The US budget deficit from 1965-1974 was $106 billion. So without the Vietnam war there would have been a $4 billion to $62 billion surplus.That's from the DoD's own figures, the Census Bureau pegged the war's costs at $352 billion, which would have given a massive $246 billion surplus instead.Scrapping the last two Apollo missions saved $800 million. NASA never gave a firm cost estimate of the AAP, because it never formally selected what missions would actually be a part of it. So Apollo 18 and 19 could certainly be accommodated without putting the budget in deficit, along with likely some version of the AAP.