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Morso stoves - hit or a miss?


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Had my squirrel for 12 years, only burn wood and it's rarely out...no probs only maintenance, door rope about every 18 months....it's got a galvi ash pan but it's as good as new.

The only thing that was a bit crap were the toy town screws/ washers that hold the flue flange/ connector to the top of the stove as they were too small and simply evaporated.

 

I did see a tv programme about stove manufacturing and by chance it was the squirrel....the cast parts were being made in East Germany from melted down reclaimed cast iron and simply assembled in Denmark...not that I see an issue with this, don't know if this applies to all their products.

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On 06/12/2019 at 17:45, Macpherson said:

.

The only thing that was a bit crap were the toy town screws/ washers that hold the flue flange/ connector to the top of the stove as they were too small and simply evaporated.

 

I did see a tv programme about stove manufacturing and by chance it was the squirrel....the cast parts were being made in East Germany from melted down reclaimed cast iron and simply assembled in Denmark...not that I see an issue with this, don't know if this applies to all their products.

The reason those screws ( which are steel ) fail is either ingression of water down the flue or condensation in summer mainly caused by leaving the ash in the stove over the summer.  It attracts moisture,  that mositure also can swell the rope under the glass causing the glass to crack.  

 

Screw failure is an early warning sign of a problem which if not rectified will sooner or later destroy the stove,   its rust that corrodes the screws,  it also gets between the sides,  back and top forcing them apart and breaking the castings. 

 

Around 96% of the cast iron used in a Morso is reclaimed,  thus its a very green product.  

 

A

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12 hours ago, Alycidon said:

The reason those screws ( which are steel ) fail is either ingression of water down the flue or condensation in summer mainly caused by leaving the ash in the stove over the summer.  It attracts moisture,  that mositure also can swell the rope under the glass causing the glass to crack.  

 

Screw failure is an early warning sign of a problem which if not rectified will sooner or later destroy the stove,   its rust that corrodes the screws,  it also gets between the sides,  back and top forcing them apart and breaking the castings. 

 

Around 96% of the cast iron used in a Morso is reclaimed,  thus its a very green product.  

 

A

Yeah that would make sense, I hadn't considered swelling of the rope when damp, I suppose that firmer clamping would only cause the lugs to fail instead of the screw or thread... so they need to be puny, weakest link.. and keeping dampness from the ash is a good tip, cheers.

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My Ø2 baffle plate melted (at least, it had a bulge in it the size of a tennis ball) and a new one was a lot of money so I just cut out some sheet steel boiler plate that was lying around (it's rusty as anything but doesn't matter). Otherwise quite happy with it. Seal recently came off when we burned a load of toffee that was past its best - it ran down and stuck the door closed!

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1 hour ago, spandit said:

My Ø2 baffle plate melted (at least, it had a bulge in it the size of a tennis ball) and a new one was a lot of money so I just cut out some sheet steel boiler plate that was lying around (it's rusty as anything but doesn't matter). Otherwise quite happy with it. Seal recently came off when we burned a load of toffee that was past its best - it ran down and stuck the door closed!

Morso door ropes is a dedicated 8mm SOFT rope,  it seals very nicely and is a bit more forgiving if you use to much glue but it wears fast,  a winter or sometimes one and a half is about its life burning it most days.

 

Baffle plate in the O series is steel,  the melting point of steel is around 1450/1500 deg C,  usually a stove gets to about 900/1000 C inside the firebox depending on the fuel used.   While firebox internals are considered consumable items burning at extreme temps will cause premature failure,  its known as over firing.    Baffle plate for an O4 ( there is no 02 model,  just 04.06 and 08 ) is just under £45 inc VAT.

 

A

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Reading this I think next spring, after I sweep the flue and clean out the stove, I'll wipe the inside over with an oily rag as a bit of extra moisture protection over the summer.  Other than spots of rust flakes on my baffle I don't seem to have any trouble but a wipe of oil seems a simple bit of protection for the summer.

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Some interesting stuff above, especially the "out-sourced-on-price" East German cast Iron parts!

I got a reply from Morso UK, and, guess what it appears we were "overfiring" our stove,

conifer burning so hot and all that.

But how come our 1996/1997 Panther with the flue pipe glowing dull cherry red as I freely confessed(so kinda definately overfired)

DID NOT CRACK?

But the newer model, almost certainly incorporating the out-sourced-on-price*** East German cast iron, which was never overfuelled, nor had the flue pipe even approaching glowing.

DID BLOODY CRACK!

But nothing about the quality of their cast iron has changed, per the UK importer.

cough cough,

On yer bike Mr. Morso(e)

 

***

I believe I mentioned the possibility of a venture/vulture capitalists buy-in seeking to maximize the revenue from a long established and well respected brand name somewhere above?

Edited by difflock
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On 06/12/2019 at 07:08, difflock said:

Remember my conclusions above  .  .  .

The 3 year old Morso has already got a crack in the Cast Iron top plate, adjacent to the flue, noticed last night.

Unlike the 1997 Panther it has never been overfired, nor has had the flue pipe glowing dull cherry red(and more than once two) like the 1997 model suffered at my hands.

It has only been fed clean conifer, and indeed, due to the emissions air injection crap, the firebox is relatively restricted, compared to the 1997 model.

The 1997 Panther did not crack despite my blatent overfiring.

But the poxy 3 year old one has.

CONCLUSION

Modern ****anything you buy these days**** is  CRAP, compared to the stuff from 20+ years ago.

Marcus

( Looking forward to my Christmas slippers an tank top @Stubby

...bet yr gagging fr yrs, mind the step )

No extra charge fr the edit Mr Marcus.  K

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10 hours ago, Alycidon said:

Morso door ropes is a dedicated 8mm SOFT rope,  it seals very nicely and is a bit more forgiving if you use to much glue but it wears fast,  a winter or sometimes one and a half is about its life burning it most days.

 

Baffle plate in the O series is steel,  the melting point of steel is around 1450/1500 deg C,  usually a stove gets to about 900/1000 C inside the firebox depending on the fuel used.   While firebox internals are considered consumable items burning at extreme temps will cause premature failure,  its known as over firing.    Baffle plate for an O4 ( there is no 02 model,  just 04.06 and 08 ) is just under £45 inc VAT.

 

A

but steel starts to lose its structural strength at about 425C and is half strength by about 650C.  temps vary according to the steel.  stainless is lower than structural.

I've a warped baffle in one of my stoves (not a morso) not badly...one corner just sags a bit.  cheap aftermarket baffle and cheap steel me thinks.  

BTW, steel will start to glow a dull red in a dark room at the same sort of temperature, so if its glowing, its not going to be happy.  I had my flue pipe at almost 500C last week....stove survived...I sweated a bit ...nerves and heat.

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