mystery prop

Andy B · 30-06-2009, 10:39 PM

Sorting through some old stuff the other day and uncovered this prop!
Has anybody got any ideas what it is?
It has the word record stamped on it and the number 19,
18 splines and it is 6" from blade tip to hub centre.

And in good old antiques road show tradition is it worth anything?

TobyC · 01-07-2009, 04:10 PM

spinelli?

Big Dutch · 01-07-2009, 10:37 PM

I can remember Rekord making a four bladed bronze cleaver in the 70s
for the Mercury straight six 150hp
Is it bronze or stainless ?

Andy B · 01-07-2009, 11:13 PM

Quote:

Originally Posted by Simon Vermeulen

Is it bronze or stainless ?

Is there an easy way to tell?
In one light it looks bronze and then under another it looks like its heat treated stainless!
Its definitley got some weight to it.

gar163y · 02-07-2009, 12:00 AM

Hoss?

Jizm · 02-07-2009, 06:01 AM

Quote:

Originally Posted by Andy B

And in good old antiques road show tradition is it worth anything?

Only if some-one wants to buy it...

Mike_G · 02-07-2009, 07:01 AM

Looks like Hoss for me

larby · 02-07-2009, 08:02 AM

Not a clue what it is, but it definately looks bronze to me! Very interesting too!

Big Dutch · 02-07-2009, 05:11 PM

Polish a corner with brasso
if its still yellow its bronze

Andy B · 02-07-2009, 05:20 PM

Quote:

Originally Posted by larby

Not a clue what it is, but it definately looks bronze to me! Very interesting too!

That was my thoughts, but when you catch it in daylight it has a white (ish) shine to it! But im no metallurgist.

If i was too stick my neck out though I would say it was bronze...

dowdy · 05-07-2009, 11:03 PM

If its bronze a magnet wont stick,stainless it will.

BluFin · 05-07-2009, 11:14 PM

record was the prop back in about 67ish pretty much odds on it's bronze used to run them on the ON Monos (pre cat days)

larby · 06-07-2009, 08:01 AM

Quote:

Originally Posted by dowdy

If its bronze a magnet wont stick,stainless it will.

If it's proper stainless then a magnet most definately won't stick to it!

James

dowdy · 06-07-2009, 08:36 AM

Beg to differ there,bronze is at least 88% copper based with additives and totally non ferrous,stainless is 88% steel with cobalt additives and magnets will stick,i have been making stainless steel trims for my gas fires since 1982,we use four little magnets to hold trim in place,if my suppliers have been selling me dodgy stainless sheets for all these years think better get pash involved

motorvator · 06-07-2009, 09:23 AM

But you don't make them out of austenitic stainless steel such as 316 which is largely non magnetic and the proper stainless for marine purposes.

dowdy · 06-07-2009, 09:40 AM

ouch.

motorvator · 06-07-2009, 09:45 AM

well all I can say is I certainly won't be buying one of your fireplaces for my boat now

dowdy · 06-07-2009, 11:50 AM

Get some 316 in,just for you.Amazing what a little bit of chromium will do,spent 20 minutes reading up on stainless this morning,i always thought s/s was s/s,apparently there is several different types,dependent on the additive,learn something new everytime i come on here.

motorvator · 06-07-2009, 12:32 PM

'tis why you can't just walk in a wholesalers and pick up loads of screws, bolts etc and not expect them to degrade once fitted to a boat.

Most standard stainless fasteners sold are 304 grade which are crap for seawater conditions whilst you can get most of the standard ones in 316 with a higher nickel content to give better corrosion resistance.

Andy B · 06-07-2009, 05:52 PM

So this magnet i just bought is no good then!