In SX Microcontrollers, SX/B Compiler and SX-Key Tool, George Frame wrote:

Hi Guys,

Just reading over the notes where we a talking injector flow rates etc.  How much thought is given to the fuel pump and the required fuel pressure to get these flow rates.  Most injector flow rates are specified at a nominal pressure usually 40 psi but I gave seen some higher. I know this is not a problem for the guys working on existing vehicles, but trying to adapt an EFI system to a small engine presents serious design problems, though not impossible.

Capt. Quirk,

For Nitro Methane the stoichiometric A/F is:  1.7 lb air / 1 lb fuel.  It is interesting to note that Nirto Methane has only about 1/4 the heating value of gasoline. The high power levels achieved with this fuel are a result the large mass of the fuel that is required for combustion, almost hydro lock.

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