But two companies in the US found suborbital niches.UP Aerospace with Spaceloft XL (smaller payloads) and Spyder that are also taking the suborbital ... orbital approach.And Blue Origin New Shepard (Large payloads/ ISS lockers) before New Glenn.
New Shepard has only flown test flights, not any flights for customers at all. That's not really finding a niche.
Quote from: ChrisWilson68 on 08/16/2020 01:49 amNew Shepard has only flown test flights, not any flights for customers at all. That's not really finding a niche.Last I checked, they had paying customers on the last couple flights, they aren't ready for people yet, but payloads are flying. The flight rate argument you mentioned for the other company would be a more useful one to consider for New Shepard.
Answer 2: SpaceX wants to block a small launcher firm like Rocket Lab competing for USG resources and contracts that might allow them to be a future heavy launch competitor. So they take away their customers. It is actually an anti-competitive move by SpaceX.
Anyone aware of Kepler Aerospace, who appear to be planning an entry into the air-launch market?There's very little in the way of solid info on their website; but the following two paragraphs stand out.By upgrading and reengineering proven advanced aviation technnologies, Kepler is developing both highly efficient and economically viable satelite delivery systems.Kepler has several technologies in the fields of microwave, propulsion and energy and has recently filed for 8 Trademarks in both the flight and defence use categories.They came to my attention from a post on the PPruNe forums where they were named as the buyer of the Vickers VC10 which has been stored at Dunsfold since it retired from the RAF as a Tanker. Kepler have seemingly paid for it to be returned to flight status, purchased the ex-RAF sims and allegedly are looking at purchasing another two retired airframes.It seems an interesting choice of airframe since there are no examples currently flying and this airframe hasn't flown since retirement in 2013 (although it seems to have been maintained in airworthy condition). Lots of discussion on the other forum https://www.pprune.org/military-aviation/635036-vc-10-fly-again-tanker.html.
Wow! After a huge week for Southern Launch, we've had time to process all that we have achieved over the past 10 days. To successfully launch not just one, but TWO space-capable rockets before noon on the 19th of September, was a remarkable achievement by the team. We demonstrated that we can provide our customers with safe & responsive access to space. Our processes and protocols were followed flawlessly throughout all 3 launch attempts (including the first launch attempt and misfire on the 15th) thanks to the leadership from our Launch Director, Alexander Linossier.
Cross-posting from https://forum.nasaspaceflight.com/index.php?topic=46926.80 for those that missed it:From Southern Launch: QuoteWow! After a huge week for Southern Launch, we've had time to process all that we have achieved over the past 10 days. To successfully launch not just one, but TWO space-capable rockets before noon on the 19th of September, was a remarkable achievement by the team. We demonstrated that we can provide our customers with safe & responsive access to space. Our processes and protocols were followed flawlessly throughout all 3 launch attempts (including the first launch attempt and misfire on the 15th) thanks to the leadership from our Launch Director, Alexander Linossier.TWO commercial launches within an hour of each other is pretty impressive!
Here's another one! Jarmyn Enterprise Space Pty Ltd is based right here in Adelaide in the suburb of Mawson Lakes! They are designing a single stage to orbit (SSTO) vehicle using methalox that puts 50 kg into LEO. The vehicle is called Hawk Jnr.https://www.jarmynenteprisespace.com.au/hawk-jnr
I think the idea of a smallsat SSTO is worth investigating, so I will be keeping an eye of this project.
Why would you say that?Some things don’t scale well, like computers and transmitters, and so are proportionally greater burdens to small vehicles. This is critical, probably fatal, to small SSTO, which need high mass fractions per the rocket equation. And if they achieve the high mass fraction, final acceleration becomes untenably high without extremely low throttling. We have seen lots of attempts at reducing the costs, recurring and initial. SSTO is not common for good reasons.
Quote from: JEF_300 on 10/19/2020 07:12 pmI think the idea of a smallsat SSTO is worth investigating, so I will be keeping an eye of this project.Why would you say that?Some things don’t scale well, like computers and transmitters, and so are proportionally greater burdens to small vehicles. This is critical, probably fatal, to small SSTO, which need high mass fractions per the rocket equation. And if they achieve the high mass fraction, final acceleration becomes untenably high without extremely low throttling. We have seen lots of attempts at reducing the costs, recurring and initial. SSTO is not common for good reasons.
All that being said, while I think their worth keeping an eye on, they'll still probably die out along with most smallsat launchers. And even if they get to launching, their site says their payload is 50kg, which really is about as bad as you can get when it comes to scaling your SSTO (I was assuming it would be something like 300 kg when I made my first post), and doesn't seems like a number that would compete on the market anyway.