I know some people use fuel filters, where to you locate them? And how many use air filters on their plane engine? What kind?

I NEVER US AIR FILTERS ON PLANE SHOULD NOT GET ANY MUCK IN IT .I ONLY USE A FUEL FILTER ON MY FILLING BOTTLE USE TWO ON THAT ONE ON THE PICK UP TUBE AND ONE ON THE OUT LET

The only fuel filter I use (Except the one on my fuel jug) is on my YS 91. And I only have that because they supplied it with the engine. It's located just before the pump.

I second D.J., I use a filter inside the fuel bottle, and another one at the spout. Never had any problems.

I have tried air filters but they are just too much hassle in my opinion and not needed unless you are flying off of dirt runways and such.

As for fuel filters, I have one on my pump that keeps debris from going in to the tank. I have used them between the carb and the tank but currently I do not. I use the Sullivan see through filters and during the times that I used them on the carb I never observed them picking up any debris.
I have seen stuff in the one coming from the jug so I keep that one there.

Dbow

Thanks for tip, for putting it on the pump. I was just curious of the air filter because OS lists it as an optional part, but for the life of me I have never seen anyone use one. Although if I was going to put one on my plane, I would get one of the nice ones with a mounting bracket, and attach it to the firewall behind the head of the engine, but I think I will just put one on the pump line.

First off I'm not an RC engine expert but I'm mechanicaly inclined. I would use a air filter on your engine. Anything that goes in the carb goes right into the bearings and engine. If you hit the nose hard on the dirt it will help keep objects out of the engine. If you fly through a swarm of bugs they could get injested to. If you land in grass, grass seeds will be flying everywhere. It gives me piece of mind that nothing will accidentaly fall in the carb also. A Bru Line Air Cleaner is what I use. I think using a fuel filter on a new tank can't hurt. Might be some flashing or something else still in the tank. After that it should be a closed system.

I never use air filters. I use a lot of 4 strokers and there is no place to put them. I also just use a fuel filter on my fuel tanks. Never had a problem. Flew off grass and amacite.

Mark Shuman

I usually use 3 filters.
One in front of the engine.
One as a clunk, and one at the fueling nipple.
I still have and two carbs that had to be cleaned for contamination.