Larry, if the originals had equal length pins as George writes, then making your own correct cotter pins out of longer modern ones seems easy enoughīy Steve Jelf, Parkerfield, KS on Tuesday, Janu12:54 pm:īy Roger Karlsson, southern Sweden on Tuesday, Janu01:03 pm: If you look in the Ford parts books, no one is making them the original length any more.īy Roger Karlsson, southern Sweden on Tuesday, Janu12:02 pm: ![]() It would be nice if someone would make the correct length cotter pin. I question the modern approach to bending the one out of the way as just a modern convenience.on a lot of this old stuff, the pins had equal legs originally and without a 'tool' would have been impossible to bend on an assembly line. Now.those little edges have a bad habit of catching skin later, and they do a number, so bending them out of the way makes 'sense'.yet if they are anything other than dead soft annealed.you just put a possible fracture plane into the cross section at the bend. There really isn't a right way and a wrong way.the goal simply being to keep the pin from backing out on its own.in a practical sense, the least amount of bend makes them much easier to get out without having a pin remover.lol Jim Patrickīy George - Cherry Hill New Jersey on Tuesday, Janu09:52 am: This way they are easy to close and remove, especially in difficult to reach areas. I turn the cotter key head so it goes in between two of the castle nut merlons, then slightly bend the long tine up and the short tine down, but I don't wrap the tines around or up and over anything. I utilize a combination of the two Dykes illustrations, doing the head as shown in #2 of the 1922 Dykes Book and doing the tines as shown in #1 illustration of the Dykes book, only with the tines bent up and down in line with the head. Here's the proper method from FAA AC 43-13: I think it was a speed thing on the production line.īy Royce Peterson on Tuesday, Janu07:34 am: The bottom line is this untouched engine had both ends of the split pins bent upwards and over the end of the bolts. I presume it had done very little work and had never been pulled down, not even to take up the bearings. When I pulled down the motor I used for the transmission in my 1917 shooting brake I found a virgin ring gear and a transmission having no measureable wear in the gears and bushes and machining marks still on the drums. That said, I often use twisted safety wire of appropriate size instead of cotter pins.īy Allan Bennett on Tuesday, Janu02:27 am: The top "good" method only makes sense if you plan to reuse the cotter, which shouldn't ever be done. Most pins I have taken out of old engines have been put in that way as well. I have always done it the same as Steve, Dykes #2 above. I don't know that is is "right", but it is how I prefer to do it.īy Richard Eagle on Tuesday, Janu01:03 am:ĭoes anyone have the chart that tells what size nail replaces what size cotter pin?īy Erich Bruckner, Vancouver, WA on Tuesday, Janu01:30 am: I think that is what Christopher Lang was referring to as well. I bend the longer leg up over the end of the bolt as shown and the shorter leg down flat against the side of the nut. The head of the cotter pin fits nicely in the slot of the castle nut. I prefer number 2 as shown above from the Dykes, 1922 manual. I have seen thisīy Jim Thode - Onalaska, WA, USA on Tuesday, Janu12:32 am:įrom Murray Fahnestock in The Model T Ford Ownerīy Steve Hughes, Raymond, NE on Tuesday, Janu12:56 am: wrap them around the nut and make them very tight. Surely the aviation types would know this!īy Lee Frost Pierce on Tuesday, Janu12:03 am: I'll bet pictures would have helped that description. Might do a search on the 2011 Forum.īy Christopher Lang - Brentwood Bay, BC on Monday, Janu11:51 pm:Īren't you supposed to split the ends, bring one up over the top, and push the other around the nut? I think there was a post about this last year and if I remember correctly it was mentioned that the ends should be split but not bent completely around, as I do. It takes longer to separate the tines, thereby wasting time.īy Steve Jelf, Parkerfield, KS on Monday, Janu11:10 pm:īy CoreyWalker,Brownsboro Tex on Monday, Janu11:26 pm: I think Ford did it wrong, and bent both ends together as a speed thing. Splitting the pins is incorrect and will get you a demerit by the fashion police.īy William L. Obviously they can be bent around the bolt or over the top and down the side of the bolt.īy Ricks_-_Surf_City on Monday, Janu10:55 pm:įord did it with a single motion, bending both ends together. ![]() Is there a right/wrong way to bend over the ends of a cotter pin ? I've always wondered about this. ![]() Model T Ford Forum: Cotter Pins Cotter Pinsīy Bud Holzschuh - Panama City, FL on Monday, Janu10:50 pm:
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