After a long time without publish here, it is time to come back.
There is lot of ideas to share and some to build for sure. The L10K rocket engine was improved during this time, resulting in a more efficient and "cheap" way to create a Amateur LRE. Of course this will not be a state of art engine, since most of solutions are chosen to be realistic in a amateur environment.
There is lot of ideas to share and some to build for sure. The L10K rocket engine was improved during this time, resulting in a more efficient and "cheap" way to create a Amateur LRE. Of course this will not be a state of art engine, since most of solutions are chosen to be realistic in a amateur environment.
Probably the most difficult component to develop may be the Turbopump system. The complexity of a high rotation speed device, working between 90K and 900K with a large amount of smaller components, probably will be the most challenging task.
In the image below, there is an old version of L10K Turbopump. It is a first view of this component based in a simplification to be able to change pumps without much problem. The first approach shows that the oxidizer and fuel pumps will require 13kW and 14kW respectively. This power range is also possible by driving pumps separately by an electric motor in a test stand (the idea has been used by RocketLab in its LOx/RP1 Rutherford engine. The full test is available here).
In the image below, there is an old version of L10K Turbopump. It is a first view of this component based in a simplification to be able to change pumps without much problem. The first approach shows that the oxidizer and fuel pumps will require 13kW and 14kW respectively. This power range is also possible by driving pumps separately by an electric motor in a test stand (the idea has been used by RocketLab in its LOx/RP1 Rutherford engine. The full test is available here).
L10K Turbopump.
During next posts, more details about this and others component will be described here.
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