Record price for an exhaust elbow?

[Wansworth]

She should tar her hair like a proper British sailor!

How have the traditions and standards of our noble seafaring island nation been brought so low?

Dont you start

 

[john_morris_uk]

So here’s the latest solution.

Cut out the damaged elbow.

Hose bend £4.60
Two stainless hose clamps £6.50

View attachment 207426


I drew round the old one first to get the right dimensions.

Fingers crossed it fits and works.

B*****r. Forgot to double check where the case was relative to where I put the hose clamp. I cut the hose slightly too short… It all works but I’m getting another hose 90 degree elbow tomorrow to make it even better.

 

[Wansworth]

She should tar her hair like a proper British sailor!

How have the traditions and standards of our noble seafaring island nation been brought so low?

B*****r. Forgot to double check where the case was relative to where I put the hose clamp. I cut the hose slightly too short… It all works but I’m getting another hose 90 degree elbow tomorrow to make it even better.

Get a spare while your at it

 

[jamie N]

Hose bend £4.60
Two stainless hose clamps £6.50

£6.50 for 2 hose clamps!!
(In the spirit of the forum), "They saw you coming! If only you'd said, there's a bloke in Argentina loads cheaper than that, more money than sense, etc.etc....!"

 

[Iliade]

Get a spare while your at it

Maybe get a silicone one on order in the meantime; It might survive a few seconds longer without water.

 

[fredrussell]

She should tar her hair like a proper British sailor!

How have the traditions and standards of our noble seafaring island nation been brought so low?

Fear not. Tar for hair still available:

 

[rotrax]

Getting back to the OP, which was about an expensive exhaust elbow, I changed the one on our Yanmar 4JH-HTE 110HP Turbo diesel. Itook it off, cleaned and examined it closely and found a pinhole. I drilled and tapped it M6 and fitted a short screw which I then rivited so it could never come out.

Temporary fix until I sourced a replacement.

The OE Yanmar part was a very large bronze job, weighed nearly five kilos.

I enquired the price of a new one, £1700!

I sourced a Swedish made Stainless Steel one for under £400.

A fellow Island Packet owner, a Dane, took it at their address and delivered it to me as a gift, avoiding all that nasty impoert duty and tax!

The old one made almost £50 when I weighed it in!

 

[flaming]

So here’s the latest solution.

Cut out the damaged elbow.

Hose bend £4.60
Two stainless hose clamps £6.50

View attachment 207426


I drew round the old one first to get the right dimensions.

Fingers crossed it fits and works.

Just FYI, that type of hose clip is not approved by Lloyds for use on Diesel exhausts, with good reason.

 

[Tradewinds]

Just FYI, that type of hose clip is not approved by Lloyds for use on Diesel exhausts, with good reason.

Can you explain the reasoning pls?

 

[john_morris_uk]

Just FYI, that type of hose clip is not approved by Lloyds for use on Diesel exhausts, with good reason.

May I ask what the good reason is please?

 

[flaming]

May I ask what the good reason is please?

Sure.

The “nut and bolt” type, though they look strong, are actually poor at sealing. In testing they are normally out performed by standard worm drive hose clips, what most people would know as a “Jubilee” clip. Most nut and bolt designs leak at circa 4-5 bar. The best we’ve ever tested got to 8 bar. Our standard Hi-Grip product will beat that.

The Heavy Duty “Hi-Torque” type that are approved for Diesel exhausts will outperform them by a large margin. To be honest we don’t really know by exactly how much, as in testing the Hi-Torque type we normally quit at pressures in excess of 30 Bar, as we’re scared of the hose failing. We’ve never had one fail a leak test at any pressures you’d ever see.

The simple explanation for this is that with the nut and bolt design you’re trying to reduce the diameter of a circle by shortening a bolt in a straight line. So you get leak paths. With a worm drive clip you’re directly tightening the band with a screw that stays still, so the pressure exerted on the hose is a lot higher for a given input torque.

I did a video recently…. Typically it’s was the best performing nut and bolt we’d ever tested!

 

[Tradewinds]

Thanks for that. Every day a school day,

 

[fredrussell]

…The simple explanation for this is that with the nut and bolt design you’re trying to reduce the diameter of a circle by shortening a bolt in a straight line. So you get leak paths. With a worm drive clip you’re directly tightening the band with a screw that stays still, so the pressure exerted on the hose is a lot higher for a given input torque.

I did a video recently…. Typically it’s was the best performing nut and bolt we’d ever tested!

Proven facts like this will be the death of this and many other forums. Thank god AI is here to provide the opposite and keep the arguments going.