Stus-List Re: Old Harken Roller II

2021-07-20 Thread Garry Cross via CnC-List
I have never figured out which one I have. It has roll pins to connect the foils. Can never find the right pins and am missing the top cap and have one broken connector. I kept all the pieces just in case I broke the new one like I broke this one. I don't like the new one. It is 1" in diameter, has

Stus-List Broken Bolt in Epoxy

2021-07-20 Thread Bill Coleman via CnC-List
I have a Broken ¼ - 20 broken carriage bolt with around 2 threads showing out my transom. 1 ½” is embedded in epoxy. An easy-out seems unlikely. I did four, three of them unscrewed successfully, but apparently I didn’t coat this one thoroughly enough with the Vaseline. I am thinking that

Stus-List Re: Broken Bolt in Epoxy

2021-07-20 Thread Garry Cross via CnC-List
I don't know about all the other questions but the heat will happen wherever the highest resistance is. So if the copper wires have sufficient gauge one might expect the bolt would heat up. One would have to compare feet of copper to inches of steel to determine where the load will be. As to damage

Stus-List Re: Broken Bolt in Epoxy

2021-07-20 Thread dwight veinot via CnC-List
Can you just grind it away and leave it. On Tue, Jul 20, 2021 at 3:41 PM Bill Coleman via CnC-List < cnc-list@cnc-list.com> wrote: > I have a Broken ¼ - 20 broken carriage bolt with around 2 threads showing > out my transom. > > 1 ½” is embedded in epoxy. An easy-out seems unlikely. I did four,

Stus-List Re: Broken Bolt in Epoxy

2021-07-20 Thread ALAN BERGEN via CnC-List
You can probably drive the bolt back through the transom using a hammer or sledge hammer, and then a punch and a hammer. A hard strike should break it free from the epoxy. If it's truly a carriage bolt, you don't want to try to turn it. A carriage bolt has a round head and a square neck. Alan Berg

Stus-List Re: Broken Bolt in Epoxy

2021-07-20 Thread Dave S via CnC-List
The electrical idea is basically a dead short it’ll either trip a fuse or melt something other than the bolt. - plan B required. Could you somehow bore around the screw? Could you cut a slot in the head and try an impact driver? Could you drill 3-4 holes small holes close around the screw then

Stus-List Re: Broken Bolt in Epoxy

2021-07-20 Thread Josh Muckley via CnC-List
I'd get a 1/8 reverse drill bit. Drill hogs make a great product. Heat it with a soldering iron and then after getting a good center punch on the remaining stud start the reverse drill. Epoxy will be gooey and should let it go pretty easy. You could probably get away pretty easily with a butane