I thought Rand_max was smaller, fixed h2 burn temp down to about 2200 Celcius instead of 9000...

src/elements/h2.c

@@ -18,7 +18,7 @@ int update_H2(UPDATE_FUNC_ARGS)
 				}
 				if ((r&0xFF)==PT_FIRE)
 				{
-					parts[r>>8].temp+=(rand()/(RAND_MAX/100))+2000;
+					parts[r>>8].temp=2473.15;
 					if(parts[r>>8].tmp&0x02)
 					parts[r>>8].temp=3473;
 					parts[r>>8].tmp |= 1;