Tool Talk

What's-It Forum => What's-It Forum => Topic started by: Papaw on August 21, 2019, 02:07:18 PM

Title: Bonney Fin -Twister
Post by: Papaw on August 21, 2019, 02:07:18 PM

Is this for straightening radiator or A/C fins?

Title: Re: Bonney Fin -Twister
Post by: oldgoaly on August 21, 2019, 05:13:10 PM

All the fin straighteners I have a plastic, from the mid 1970's.
That looks like much older? 1950's?

Title: Re: Bonney Fin -Twister
Post by: lptools on August 21, 2019, 05:58:32 PM

Hello, Papaw. I can't help with your question, but that is a great example of a seldom seen tool.Thanks for sharing!!! Regards, Lou

Title: Re: Bonney Fin -Twister
Post by: p_toad on August 21, 2019, 08:13:58 PM

Cute.   Found the following ad in the Google books search for Popular Mechanics Nov. 1924....

Title: Re: Bonney Fin -Twister
Post by: gibsontool on August 22, 2019, 09:34:21 AM

Nice item. I've heard about these but never seen one. Very cool.

Title: Re: Bonney Fin -Twister
Post by: bonneyman on August 22, 2019, 09:52:25 AM

Gotta be an old tool, I can't see modern coils thin aluminum fins responding well to that thing.

All of my A/C fin combs are plastic, so they are softer than the fins and take all the wear. Have a whole set of 'em, with various FPI (fins per inch) that snap into a composite handle so you can tailor the tool to each individual coil.

Like this:

https://mainsupplies.com/coil-fin-combs/

Title: Re: Bonney Fin -Twister
Post by: mvwcnews on August 24, 2019, 10:43:48 PM

Up until auto radiators got "hid" behind grilles of one kind or another  the fins would have taken a beating.

Title: Re: Bonney Fin -Twister
Post by: oldgoaly on August 25, 2019, 06:44:44 AM

I'm thinking the honeycomb style radiator was common in to the 1920's, when did the straight finned ones take over? also in the 20's?If I can remember to ask the radiator guru on facebook I'll find out.