Balance and not sending it overboard. Some airplanes with main and tip tanks only return fuel to the main tanks. So you need to burn off the mains for a while first. If you use the tip tanks first the return fuel goes right over the side if the mains are full. Joe Della Barba Coquina
From: CnC-List [mailto:[email protected]] On Behalf Of Michael Cotton Sent: Monday, February 10, 2014 11:24 PM To: [email protected]; [email protected] Subject: Re: Stus-List Fuel tank In aviation it's called fuel management. It's more concerned with aircraft balance. On Monday, February 10, 2014 7:07 PM, Joe Della Barba <[email protected]<mailto:[email protected]>> wrote: Nah – you T the fuel return to the vent line. You need the hot fuel to dump back in the tank, not recycle right back to the engine. As for the returns on multiple tanks , I <cough wink> read about a guy delivering a Viking motoryacht that looked aft and saw a trail of fuel. Some research into the fuel valves showed fuel from A going to B when B was full already. Some airplanes do this too. If you don’t use the tanks in the correct order you will be venting a lot of $6/gal fuel over the side. Joe Della Barba [email protected]<mailto:[email protected]> Coquina From: CnC-List [mailto:[email protected]] On Behalf Of Martin DeYoung Sent: Monday, February 10, 2014 8:57 PM To: [email protected]<mailto:[email protected]> Subject: Re: Stus-List Fuel tank > Has anyone tried teeing the fuel return line into the fuel feed line before > the filter? IIRC that is not a good idea. Many diesel engines return more fuel than they use. Some of the extra fuel is used for cooling the injectors. I have a vague memory of a story regarding having two fuel tanks and one fuel return line. The result was one empty tank and one over filled. Martin Calypso 1971 C&C 43 Seattle [cid:[email protected]] From: CnC-List [mailto:[email protected]] On Behalf Of Rich Knowles Sent: Monday, February 10, 2014 5:52 PM To: Peter Fell; [email protected]<mailto:[email protected]> Subject: Re: Stus-List Fuel tank Has anyone tried teeing the fuel return line into the fuel feed line before the filter? Just wondering?? Rich On Feb 10, 2014, at 20:03, "Peter Fell" <[email protected]<mailto:[email protected]>> wrote: There is a kit you buy that provides the return line fitting on the flange of the fuel sending unit .... I think they only sell it with the sending unit included: http://ca.binnacle.com/p6463/MOELLER-%2335724-10-DIESEL-RETURN-KIT/product_info.html If you can’t get the flange and return fitting separately, I’d just put the other sending unit up for sale on craigslist. Someone out there needs a new sending unit. Check out the Moeller site for more info. _______________________________________________ This List is provided by the C&C Photo Album http://www.cncphotoalbum.com<http://www.cncphotoalbum.com/> [email protected]<mailto:[email protected]>
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