Anyone successfully re-cored a Smiths flat heater ?

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grewth

Active Member
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94
I've just bought a used Smiths flat type heater for my next 2A project.
All seems well upon first inspection, seems to run OK, seems to hold water OK.
Just wondering what the options are if it does leak.
Expert repair by a radiator reconditioning company ?
I bet that would make a nice hole in my wallet, but probably the most permanent fix.
How about constructing my own cores ?
I've seen video clips of intrepid individuals building a round heater by winding copper pipe around a wooden former.
Desperate but it seemed to work.
I suppose constructing the cores for a flat heater would be much more difficult ?
 
I think that the last appearance of the round heater was 1967.
1968 onwards had the flat heater which I've found a lot better than the round type.
Not sure of the claimed heat output, but I think that the round type was rated at 3kW, the flat type 4.5kW.
I don't believe those figures for a minute, you'd be roasted alive if they achieved anything like that
 
That's the one.
Thanks for the heads up.
I didn't know that Emberton did one.
And at £302, it's not exactly pocket change (well not on my income anyway), but it's a "good as new" solution to a problem
 
grewth said:
I think that the last appearance of the round heater was 1967.
1968 onwards had the flat heater which I've found a lot better than the round type.
Not sure of the claimed heat output, but I think that the round type was rated at 3kW, the flat type 4.5kW.
I don't believe those figures for a minute, you'd be roasted alive if they achieved anything like that
Click to expand...
More like 3 - 4.5W 🙄
 
kermit_rr said:
More like 3 - 4.5W 🙄
Click to expand...
I've got a series three snail blower and matrix mounted on top of the NS footwell.
Hot air generated passes straight through a rectangular hole cut in the top face of the footwell.
I've got that plumbed in series with the standard 2A flat heater.
It gets quite warm on long runs, T shirt warm in fact, even in freezing weather.
But I'm sorry to say that the demister effort is still marginal, you still get "Series Myopia" with just a small area of clear screen above the vents.
Actually, it's even worse than that, because the S3 heater output clears the NS screen better than the drivers side.
Looks like a redesign is required
 
Someone was selling one at Malvern parts day the other week.
Never asked the price or noticed if it got sold.
I did once hear some ex-squaddie joking that they were only any good in the artic if you actually stuffed the output pipes up your trouser legs !
 
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