Hamilton Standard ID

AVI8R · Mar 1, 2019

Acquired this a few years ago. Has no markings and has a flat tip. Haven't seen any photos that look like this one. Any ideas on what aircraft used this? Thanks

FLYBOYJ · Mar 1, 2019

Are there numbers at the shank of the prop?

AVI8R · Mar 1, 2019

FLYBOYJ said:
Are there numbers at the shank of the prop?

I can double check and take the wood mount off I made but I'm pretty sure there was nothing underneath

fubar57 · Mar 1, 2019

Might be of some help if you find numbers, Prpellers and Governers...

https://cdn.shopify.com/s/files/1/0..._Governors_for_Service_Aircraft_1945_wwii.pdf

AVI8R · Mar 2, 2019

I managed to find two etchings into the metal I didn't see before. They're pretty small and I'm not sure if the zeros are O's. I'm gently trying to get the grime off the rest of the first number. Someone also wrote 2061 in chalk or something too.

660710368
R0217583-420•000

Michael Hope · Mar 3, 2019

To me I have not seen a Hamilton Blade of that shape, with a metal leading edge.
Is this an aluminum blade or wooden?
The numbers look like Rotol/Dowty numbers to me.

AVI8R · Mar 3, 2019

Michael Hope said:
To me I have not seen a Hamilton Blade of that shape, with a metal leading edge.
Is this an aluminum blade or wooden?
The numbers look like Rotol/Dowty numbers to me.

Seems to be wooden, it has chipped away at the top a little bit

Michael Hope · Mar 3, 2019

AVI8R said:
Seems to be wooden, it has chipped away at the top a little bit

That it is wooden and with the Rotol type numbers, then I assume that it is a British type blade that someone stuck a Hamilton Sticker on.
Do you have any pictures of the butt of the blade as to how it is held into the hub, i.e. are there threads on, or a flange and rings, or grooves for ball bearings?

Wurger · Mar 3, 2019

A Rotol blade could be. But I don't remind myself a such one used for the Spitfire or Hurricane. The shape of the blade tip was different from that one we can see in the pic above. What is the length of the blade?

AVI8R · Mar 4, 2019

Michael Hope said:
That it is wooden and with the Rotol type numbers, then I assume that it is a British type blade that someone stuck a Hamilton Sticker on.
Do you have any pictures of the butt of the blade as to how it is held into the hub, i.e. are there threads on, or a flange and rings, or grooves for ball bearings?

Don't know if this is what you're looking for. If you wanted the bottom I can unscrew the wood base a little bit later.

Wurger said:
A Rotol blade could be. But I don't remind myself a such one used for the Spitfire or Hurricane. The shape of the blade tip was different from that one we can see in the pic above. What is the length of the blade?

About 63 inches from bottom of the metal to tip, 57.5 inches for the blade without the metal part.

Michael Hope · Mar 4, 2019

From the blade shank, you can see the split pin to align the counter weight for pitch change. Plus the four threaded holes have coil thread inserts in them like the "Heli-coil brand", so this makes it a modern type blade, i.e. from the 1980's or later. I would guess that it could be a SAAB 340 blade.

AVI8R · Mar 5, 2019

Michael Hope said:
From the blade shank, you can see the split pin to align the counter weight for pitch change. Plus the four threaded holes have coil thread inserts in them like the "Heli-coil brand", so this makes it a modern type blade, i.e. from the 1980's or later. I would guess that it could be a SAAB 340 blade.

I was thinking that too, maybe the metal guard was taken off.

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