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Thanks Steve,
I've got several places on the Aztec cowl mod STC that will require riveting inside of channels, so I know I'll need a longeron type yoke. I was wondering what would be problem using the longeron yoke to squeeze the remaining rivets. Cool about the B-17. My family and I were able to hook up with the Honeck's over at OSH a few weeks ago, just for a quick day of touring the museum and lunch at Friar Tucks. New "mega-fence" around the North 40 and still no new control tower. Jim "Steve A" wrote in message . .. Jim Burns wrote: If you have adequate room to work, is there any disadvantage of using a larger than necessary yoke? If I'm purchasing additional yokes, why wouldn't I buy a yoke that is capable of not only doing specialty work, but normal flat work in areas where clearance isn't a factor? Jim, The reasons to use the smallest yoke possible a 1. clearance from some other part of the structure. 2. deeper yokes flex more when squeezing a rivet. This can make it more difficult to set the rivet without bending it, usually when setting short ones in thin material. 3. larger yokes are heavier, adding to the squeezer weight that must be held steady while setting the rivet. The pneumatic squeezer body is already quite a chunk to hold steady. From an RV builder's experience: Start with what you need to do the job at hand, and buy yokes as needed (unless you have a lot of $$ burning a hole in your pocket, and empty drawers in the tool box. :-) ). Some tool vendors make yokes that are interchangeable between pneumatic and hand squeezers. I only have a hand squeezer with a 1" thin nose, 1.5", and 3" yokes. My yokes will not fit a pneumatic squeezer. But, I'm mostly through with riveting on the project. (OK, I confess to having an RV building buddy that has the full set of pneumatic squeezers and yokes. :-) But...I have some small hand squeezer parts that he doesn't have. The arrangement has come in handy at times.) Yes, owning a pneumatic setup would have made some jobs easier during building. On the other hand, most of the rivets on an RV are 3/32".....very easy to hand squeeze. 1/8" are tougher to hand squeeze, but there are fewer of them to deal with. Got to spend time in and around the EAA B-17, Aluminum Overcast while it was at Moffett Field this weekend!!!! Steve |
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