Hello to all. What I would like to do is install a fuel tank in my hack which would use a small electric fuel pump to send fuel to a “T” connector between my bike’s gas tank and carb. I plan on using a 3.5 gal outboard motor portable gas tank (with quick connect fuel fittings) secured behind the seat so I can remove the tank for fueling. I will vent the tank via a hose to the outside of the hack and also externally mount the fuel pump. This should keep fuel vapors under control. I will use cutoff and check valves to ensure one way fuel flow etc.
Has anyone done this before? Any pitfalls?
it is going to be a big PIA to remove the tank each time for filling.
the tank must also be strapped down so it will not move.
best thing to do is mount it permanent with an outside filler neck and cap.
Or else mount it on a framework between the bike and SC near the rear.
there it will be easy fill and no problems with venting.
I have mine mounted behind my solo seat with gravity feed.
Good point Bob. I should do some tests pulling the tank in and out. With its bult-in handle, the tank feels like it should go in and out pretty easy but looks can be deceiving. I was thinking of using wide velcro staps for hold downs or plumbers tape with thumbscrews.
Henry,
make sure it is full when trying it, with hoses attached. A quick detach fitting will leak a little gas when removing,also. could get smelly inside the trunk. like the back of a boat.
and another point..you will have the trunk loaded with "stuff"....or should have...a car battery, tools, air compressor,ballast. Might be hard to move all the "stuff" to get the tank in and out sevearal times a day, if you use it on a trip.
actually, I only use mine in emergencies...keep the main topped off, and the Aux used for an extra reserve.
here's a pic of my install using gravity feed to the bike tank.. the 3.5 gal tank is in the black bag...nice camo job!!
I put a 12 gal tank between the bike and sc so it would have plenty of ventilation. Email me and I will send a pic.
Thanks for all the quick replies. That is another good point about the smell! Hmmm. I do have a travel trunk that may be just big enough to hold the tank and it is high enough to gravity feed and would do away with the need for an external pump. More food for thought. I just would like some way to have more fuel available with out having to stop to put it in.
I remember one guy who made up an aluminum tank right inside the sidecar frame filling up the space. Because he installed a sheet metal as a ramp and tank protector, it even improved the aerodynamics. In the woods he didn't catch roots any more and in winter it lifted the sidecar over the snow, preventing him from makeing circles.
His comment was that he flooded this tank intensionally full until the main tank was down.
Regards
Sven Peter Pan
I have a gravity flow one that holds 4 gallons. It sits on the passenger seat. I found it on the internet. The company is Sampson. It is aluminum and covered with vinyl. It has a back rest pad built in and is quite comfortable. Uses a quick coupler so you can remove it in a minute or so.
Ralph
Originally written by Bob in Wis on 7/17/2007 9:54 AM
I have mine mounted behind my solo seat with gravity feed.
+1
http://www.dayledesigns.com/qt/index.htm
I did mine a little like Bob in Wisconsin. I bought a plastic 3 gallon marine fuel tank for about $25. I put a "T" with a shut off valve in the stock fuel line between the main tank petcock and the carbs. I added an external siphon bulb to the outside that I can reach and activate on the fly. I tried painting it to match the bike, but it immediately peeled off. I then found a gym bag that was big enough to fit the tank and hid the crummy paint job.
The bag gives me back some of the lost storage for things I don't mind smelling like gas. I also modified my main tank to hold 1 more gallon. I carry 9 gallons of fuel now. It used to be 5 gallons. I recently did a 150 mile back country ride without stopping for gas. I drove around doing local errands for a couple more days before filling it back up.
Here's an attempt at posting my tank pic.
Hello Mark,
your CX must be quite old, we were always farting about them calling them Güllepumpe / pump for pigs urine. Nothing for bad! But in fact they earned my respect, because very many of them lasted and lasted and run still strong.
The tank in the back lifts the gravity center pretty much, isn't there some space left behind the sidecar or on the trunk? Obviously You wouldn't like to mount it on the exaust pipes.
In point of economics. My Jawa astonishes me, it has 17,5liter until reserve and that is enough for 380 to 440km regular driveing before the gas stop (rate in town or abusing in the mountains. flat land less.) 4makes an everage of 4,3l/100km > 88km/gal = 55 miles/gal.
Before my MZ took 9-11l/100km there is yours even less thristy.
Regards
Sven
Sven,
With the tank behind the seat, gravity does all the work. If I put the tank anywhere else, I would have to run a fuel pump. As it is set up now, I can remove the tank and put on the passenger seat in about 3 minutes.And as I mentioned before, it cost under $30 for parts. Of course my time is never a factor, this is my therapy.
Originally written by gregbenner on 7/17/2007 4:38 PM
Originally written by Bob in Wis on 7/17/2007 9:54 AM
I have mine mounted behind my solo seat with gravity feed.
+1
Holy S***! over $1000 !!!!!
