Re: True Solar Sails
			 
             
			
		
		
		
		Perhaps if you change it slightly to the solar sail generates X supplies per turn (with X supplies needed for full movement), and can store X+1?  That way, 0-supply weapons would still have the one supply unit to work with. 
		
	
		
		
		
		
		
		
			
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				GEEK CODE V.3.12:  GCS/E d-- s: a-- C++ US+ P+ L++ E--- W+++ N+ !o? K- w-- !O M++ V? PS+ PE Y+ PGP t- 5++ X R !tv-- b+++ DI++ D+ G+ e+++ h !r*-- y? 
SE4 CODE:  A-- Se+++* GdY $?/++ Fr! C++* Css Sf Ai Au- M+ MpN S Ss- RV Pw- Fq-- Nd Rp+ G- Mm++ Bb@ Tcp- L+
			 
		
		
		
		
		
		
	
		
		
	
	
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