Bought this a Classic webasto diesel heater,

[StreetSleeper]

I've seen mini moto/pit bike exhausts used to great effectiveness on the combustion exhaust side.

My intentions are to make a full stainless steel exhaust system using this type of exhaust.

 

[StreetSleeper]

Finished de-burring the inlet silencer pipe, now all I have to do is put it together.

Back together. Won't seal the ends up of the outer tube to the inner tube until I've done a dry run.
My next job, find or make up some sort of filter to stop foreign bodies entering the system.

Hope it works: a lot of work if it doesn't.

 

[StreetSleeper]

Air filter time and I would appreciate your thoughts on my decision here.
As you can see, from below, I opted to use a fuel filter; this particular one had been damaged so it was ideal for the job. Simply cut the bottom off and drill the top out to suit the size of the filter.

Left the filter protruding and the outer is purely there to mate against the aluminium tubing.

This is it in situ. I decided after this photograph not to use a clamp but to wrap three coils of insulation tape round the clear tube; it made a very snug fit and I'm happy with the join.

Ready now for it's dry run. If all goes to plan I shall be sealing the insulation to the tube.

 

[mistericeman]

I suspect you MAY find the fuel filter restricts the air inlet (webastos/ebers are designed to run with not a lot of restriction on the combustion air inlet side....
What filters you buy are usually pretty much just noise supressors...
After all there aren't a great deal of fine/delicate parts in the combustion chamber to worry about....

I've certainly not yet come across anything attributable to foreign bodies being ingested into the heater over the years of my messing about with them.

 

[SquirrellCook]

Any restriction on it's combustion air may cause it to run rich.

 

[StreetSleeper]

After all there aren't a great deal of fine/delicate parts in the combustion chamber to worry about....
I've certainly not yet come across anything attributable to foreign bodies being ingested into the heater over the years of my messing about with them.

Well the good thing is It can always be remove ....... no damage done. But I do think some sort of wire gauze should be at the end of the intake pipe

 

[SquirrellCook]

Just enough to stop a mouse making a dangerous home. Balloon out a course mesh so it's not restrictive.

 

[StreetSleeper]

Any restriction on it's combustion air may cause it to run rich.

I definitely don't want that

 

[mistericeman]

Well the good thing is It can always be remove ....... no damage done. But I do think some sort of wire gauze should be at the end of the intake pipe

There IS..... or at least there is on most of the inlet silencers I have dealt with...

This is almost identical to the all in one type 8kw (Chinese) one I have keeping my greenhouse toasty at the moment.

 

[StreetSleeper]

That's just what I need. My Chinese one looked nothing like that

 

[StreetSleeper]

just ordered one and at £4.19 why would you not

 

[Nabsim]

Yeah that looks similar to the one I use on the inlet for my eberspacher