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This is my mind always trying to build the better (or less expensive) mousetrap. Design #1 is a home version of what is already available to buy. The factory adjusters work untill dirty or worn, then they slip and release the tension. Design #2 modifies the originals so they cannot release the tension. I have not tried either design yet, and don't have any plans to in the near future. If anyone else wants to, go ahead.
That looks like a pretty slick concept. I've been thinking about an automatic chain adjuster for years, kinda similar to what Argo now uses. In building a better mousetrap though it would be nice to have a dynamic adjuster (one that works when the chain travels either direction.) No solution yet, but several concepts on the internet look promising. I think the limiting factor though is the nylon foot. The round stock has proven to me to be more durable than the horizontal piece.
Go to fastnal.com type in roller chain sprockets there is a company that sells an auto tensioner type system it doesnt bolt to anything but the chain force from pulling and pushing keeps it in place its a real nice setup if u find it goggle the name of there part they make some cool stuff for roller chains i have never heard of anyone on here use this on there aatv but i bet it would work great
awseome.....I just ordered the stuff off of mcmaster.com for $12 bucks. Should be enough to do all four adjusters if I use the brackets from the original adjusters. Gona try to copy your first design cuz it looks like a winner. May have a few more questions in the future. Sure am glad I saw this thread cuz I was about to drop $180 at richards!!!! thanks again for sharing and the pics!!!
The inner washer is welded to the bolt. The bolt is 1/2", the roller is 5/8" ID, this must be loose to roll. If you notice in the parts pic there is a "C" shaped washer I used for a spacer then removed it after welding. Remember to have a bucket of water near by to cool it off before the roller melts. I made 4 stitch welds to keep the heat from building up.
I helped Dave (Mudbug3) put some of those on his MaxIV, about 15 months ago. I'm thinking a couple of other members tried them also. I would like to run them on my Hustlers, but they pull the chain together, which causes it to rub the frame cross members.
I've got some of the Delrin rod to use for the rollers on my 980. What convinced me to try it is this, the guys that tear down the engines at work had tried about everything imaginable for knocking the pistons out of them. We ordered a couple of 6' sticks and machined them to fit over the end cap bolts, and thin enough on one side to fit between them and the crank. Approximately 1500 engines later they are still using the original 3 rods. So this stuff has got to be tough!
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