HIGHLY realistic, the 3 things they have in common is that they are helium spin-started, TEA-TEB ignited, and regeneratively cooled. THANKS FOR FP		
				
			
							rocketry
							aerospike
							aerospace
							rocket
							engine
					
	 
	
	
	
	Comments
		
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			im once again asking for a functional version 
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			cool  +1 
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			What...? No, that's a placeholder for oxidizers like oxygen, nitrogen tetroxide, nitric acid, fluorine, etc 
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			rockets have a wood in the fuel tank. That's what I understand a solid-fuel engine! 
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			Unless you're Albert Einstein which in this case is true 
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			More realism = more mistakes 
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			More detailed than they usually are +1 
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			Love me some aerospike. 
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			for the engines types you made 
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			demo for what?