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  • aeronut
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      Post count: 442

      It was really windy yesterday so I postponed my test firing until this afternoon. Sunny and 54* and still a light wind. I am still playing with the brace height and will put on a set of string silencers from Hairy Beaver. It is shooting good and has no stack or kick to it.

      Now I need to put on a few more coats of finish. I am using Minwax Polycrylic semi-gloss and I’ve had good luck with it on my bows.

      Dennis

      aeronut
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        Post count: 442

        Between work and the recent storms I haven’t had a lot of time to work on the bow. I made some time and have it to the point where I am spraying finish.

        I got the tips done and started working on the riser. I sanded in some finger grooves and it is a very comfortable fit in my hand.

        I sanded everything down starting with 120 grit and finished with 320 because I had run out of 400 grit paper. I then buffed everything with 4/0 steel wool. After wiping the bow down with a rag dampened with alcohol I hung it up and the first coat of Polyurethane is drying now. Hopefully I will get some time tomorrow afternoon to test fire it.

        Specs:

        64″ N-N
        53#@28″
        Hickory core
        Leopardwood laminations
        .050 glass
        Riser–Hickory W/Black Walnut accent
        Black Walnut overlay front and back of riser.
        Tip overlays–Mesquite over Hickory

        Dennis

        aeronut
        Member
          Post count: 442

          OJAM is held on the Rutter farm six miles East of Stillwater on 51 hwy to Mehan Road (also called N3400 Rd)and six miles South to 80th street. From that intersection go West 1/4 mile to the gate.

          Perkins is South of Stillwater on 33 hwy. From Perkins go five miles East on 33 hwy to Mehan and 3 1/2 miles North to 80th.

          Hope to see everyone there.

          Dennis

          aeronut
          Member
          Member
            Post count: 442
            in reply to: OJAM VI Video #35342

            Thanks for the ompliments everyone. In two weeks, we’re doing it all again———OJAM VII————.

            Dennis

            aeronut
            Member
              Post count: 442

              I haven’t heard of it either. For ticks and chiggers I use Permanone on my clothes and I haven’t found anything more effective than that. For skeeters I use a Thermacell.

              Dennis

              aeronut
              Member
                Post count: 442
                in reply to: may I come in? #28375

                Howdy Homer. Feel free to jump in and add your two cents worth in the forums.

                Dennis

                aeronut
                Member
                Member
                  Post count: 442

                  I managed to get in a few work sessions the last couple of days so I will update the progress.

                  I started dressing down the riser overlay and blending it in and then did the laminations on the belly.

                  Now I have started the fun part:shock: working on the tips.
                  I first mark out the general shape of them.

                  Then I do a little sanding with a small (1″) drum sander in the drill press to get it close to the lines.

                  And then use a small rasp and sandpaper to work it on down.

                  I work on the string groove to finish it out and sand everything down with 120 grit paper. Here is the final fit with the string loop in place. I will take time to even everything out during the final sanding.


                  That Mesquite over Hickory is going to look real sharp with the finish on it.

                  Now comes the really fun part. Making the other tip match this one.:shock::shock:

                  Initial test has the weight right around 55#. After the final finish it should set in around 50#

                  Dennis

                  aeronut
                  Member
                    Post count: 442

                    Sorry. I can’t help on that one.

                    aeronut
                    Member
                      Post count: 442

                      If you are close to Oklahoma plan on attending OJAM VII. This is where you will find lots of answers to your questions and get a lot of hands on experience.

                      http://www.okselfbow.com

                      Dennis

                      Here is a video I made of the fifth annual gathering. It will give you an idea of the event.

                      aeronut
                      Member
                        Post count: 442

                        Glad to help guys.

                        I had a lot of the same questions when I got started with this stuff long ago, before the thought of home computers existed. My way of doing things is just one of many and I hope to give someone a few tips and pass along information if I can.

                        I’ve been trying to get everything ready for OJAM next month. We had a work day there getting the area ready or the campers and having a club meeting to see what else is needed. I just got home and am more behind than I was before.:lol:

                        Dennis

                        aeronut
                        Member
                          Post count: 442

                          Excellent advice Killdeer. Nothing more needs added to it. Glad to see a post from you.

                          Dennis

                          aeronut
                          Member
                            Post count: 442

                            Fletchtite will not stick to Minwax Polycrylic. You will have to use Duco. The first set I made using Polycrylic I used Fletchtite and had three feathers floating around in front of me on the very first shot.

                            If you decide to use polycrylic wax the shafts with some furniture paste wax before you shoot foam targets. The poly will really stick and make them hard to pull if you don’t.

                            Another note to watch for. If you use water based analine dyes on your shafts the poly will make the color run. I made some crimson shafts and dipped them a few days later and had a tube full of pink sealer.:oops: It is best to wipe on the poly in this instance.

                            Dennis

                            aeronut
                            Member
                            Member
                              Post count: 442

                              OK, now my arms itch like crazy. I sanded the nock and riser overlays off flush and started cutting nock grooves. This is not THE method of doing this but it is the way I do it.

                              I measure down 3/4″ from the end of the limb and mark across the nock overlay. From this mark I measure down another 3/4″ and make a mark on the belly. Next I mark a line from back to belly on the side of the limb. This is where I cut the string groove. Is that clear as mud? Maybe the pictures will clear this up.

                              I start the string groove by making a shallow cut on the line with a hacksaw.

                              I then deepen this cut with a rod saw.

                              From there I get my 5″ rat tail file and deepen the groove until a string loop sits down in the groove flush with the bow limb.

                              Now I take a 4-in-1 rasp and bevel the back side of the string groove. This allows the string to move when the bow is drawn and won’t chafe the string.

                              Belly side view of string in grooves showing the bevel.

                              That is as far as I will go on the tips for now. This will let me get a string on the bow and start the tillering process. Initial tillering looked real good so I shouldn’t need to do much after I get a string made.

                              More to come…………….

                              Dennis

                              aeronut
                              Member
                                Post count: 442

                                Tucson, I use Minwax Polycrylic to seal my shafts. You don’t really need a dip tube to apply sealer. You can dip a rag in it and wipe it on in two or three coats, wiping it with steel wool between coats.

                                I made my own dip tubes out of 1″ pvc. I glued a cap on one end and on the other I glued on a 1″ to 2″ threaded reducer. After I’m done I just screw on a cap. Keep in mind that some solvent based finished will eat up the pvc tube. If you decide to make some out of pvc, get the reducers with male threads. You won’t have to worry about getting paint in the treads as much.

                                I usually just let them drip dry but I have some thin strips of rubber that I punched a hole in and just hold it on the top of the tube with my fingers and let it squeegee the poly back into the tube,

                                Long one for full length shafts. Short one for cresting paint.

                                Cresting paint. The pvc gutter drips back into the tube.

                                Dennis

                                aeronut
                                Member
                                Member
                                  Post count: 442

                                  Did a little more yesterday evening and tonight. I worked late both days and didn’t get to do too much. I did get the limbs and riser window cut out and the edges sanded down yesterday evening. I always save back a couple of dull bandsaw blades for this step. When I get done cutting out a bow the blade is trash.

                                  Putting the ‘hurts’ to a blade.

                                  Tonight I am gluing on the riser and tip overlays. Here is the Walnut riser overlay.

                                  And the tip overlays. I used Hickory with a piece of Mesquite on top.

                                  It is now back in the hotbox at a little cooler setting than the last time. Maybe tomorrow I can get the overlays trimmed up and cut some nock grooves.

                                  More later………………

                                Viewing 15 posts - 301 through 315 (of 402 total)