My current fuel pump (for pumping fuel from the can into the model's
tank) leaks badly. When I bought it (at the LHS), I explicitly asked
if it was leak free. They confirmed.
This time, I want a good one. I don't mind spending a bit, as long as
I get good stuff.
Which brand of fuel pump do you currently own? Sometimes the 0-rings dry out
and need replacing. Folks here can confirm or deny that possibility and
might be able to provide instructions for replacing the dried out culprits.
If no answer here, go to
and ask your question there. I'm sure you will receive an
. I've been
through many pumps and it's the only one that is made to last. Most of the
junk sold these days falls apart with 6 months of hard use but the Slimline
is built to last plus rebuild parts are available.
This thing is machined from billet aluminum and the pump head can be
rebuilt. It costs a few dollars more but it's the last pump you'll buy.
It won't siphon and it doesn't leak!
I am not sure. Possibly "Texson" or something similar. Looks like the
kind of stuff that anybody can buy and stick their brand name on it.
It leaked from the very start. I wouldn't be surprised if there are no
O-rings at all anywhere.
It was and is cheap in all meanings of the word. I don't want to keep
it. I want a good one :-)
That looks like a peristaltic hose pump. Their biggest problem is that
the hose wears out from the repeated squishing.
The rebuild kit costs about the same as my cheap pump. Do you have any
experience with how long one kit will last?
They state that the tubing in the rebuild kit is 12" long. That should
be enough for 3 or 4 changes, I'd think?
Well, $50 is quite a few dollars. With another 50 for shipping, it
does not come cheap. I'll have to think about that for a while...
Except when the hose is worn out and bursts, I guess. Then you won't
have a leak, but a really messy blowout. Not something I'd want inside
my field box.
Yes, it's a hose pump. I've had mine for over two years now and have had no
problems. I consider the cost cheap considering how many of the junk pumps
I've been through. The Hobbico pumps never lasted more than 6 months for
me, one lasted only a few weeks. So I've spent more on those in less time
than on the Slimline. Plus I've never gone to the field and lost a day of
flying because my Boxxer blew out on me.
$50 for shipping? Look again. The $50 is the total. Shipping is listed as
**, calculated after payment info is entered.
I think the rebuild kit will do one rebuild. The tube extends out of the
Yes, it's more expensive than the cheap, crappy pumps. But it's a solid
product with customer support and is repairable. Just like anything else,
you get what you pay for.
Go to your local junkyard and get yourself a Mercedes or BMW waterpump
for windscreen cleaning. The make is VDO, excellent quality.
Most, if not all, waterpumps do not handle gas/petrol/benzine, whatever
you name it, very well. The plastic dissolves.
Prettig weekend ;-) Ron van Sommeren
OK. I can't find that info now. I must have been imagining things.
Anyway, I found this: "Slimline ships orders within the United States
& Canada only.". And I also found exactly zero international dealers
in their dealer locator table. It seems they don't want my money.
I'll see if I drop them an email...
Actually, the one I had before the cheap junk I have now WAS a VDO. It
was from an Audi. The very reason I replaced it, was that it leaked.
It was very old, though, so a newer one might be better. I opened it,
and it seemed the rubber parts were disintegrating. It leaked less and
was a lot more powerful, so the replacement was a total
I don't have any petrol models (yet), only methanol. But I guess both
methanol and nitromethane can be aggressive to some types of plastic.
Since windshield wasing fluid also contains spirits, that should
probably be OK. But what about rubber parts and oil. I know rubber and
petroleum based oils don't go well together. What about the type of
oil we have in the fuel?
Not nearly as bad as petrol Robert. A windscreen washer pump will last for
years and they're probably the least expensive way to go.
I've had a VW washer pump for 15 years or more and it still pumps without
Not a problem unless you try pumping petrol. That stuff will eat a washer
pump for breakfast and another for lunch.
Not necessarily. Most of them are gear pumps. They work well both ways
and are also able to pull a little vacuum, so they can lift the fuel
out of the can.
But some washer pumps are centrifugal pumps. They have to be mounted
below the fluid level and they pump only one way. Here's one example:
click the picture to get a slightly larger one).