Main Discussion Area > Bows
Tiller help
superdav95:
I’ve never made a crossbow either. I’d have to agree with hamish just on what I am feeling on it. This seems to make sense. I have seen other similar project with little more bend in the handle area that being said. This would spread the stresses and get you more draw length too. A little bend through the handle may not be a deal breaker after all depending on your build and how the bow is affixed to the stock. If you are at you intended draw length and weight now I’d be inclined to not mess with it as it looks good now. Just my 2 cents. Keep us posted on the rest of the build. Very cool.
stuckinthemud:
Thanks guys, I am going to ponder for a day or three as I have been known to perfect a bow into the bottom of a bin on more than one project. It is true that if I soften the fades/inner 1/4 I will get more draw/less stress but then, I am at desired draw length. I probably will take 3 or 4 scrapes off the inners and maybe tidy the tips a little bit, but I might just be better to leave well alone.
Hamish:
Looking good. How much weight did you lose with the changes?
Also curious to know the length of the bow, draw weight and draw length?
GlisGlis:
I made red line first. then cloned, colored in blue and flipped
it may be the picture but top limb looks shorter and maybe flexing a little bit more in the middle section
overall looks good
stuckinthemud:
It is 37” from nock to nock. 38mm wide and 30mm thick at centre thickness tapers are constant from the fades to the nocks at 1mm per inch. Nocks should be 15 mm thick and 28mm wide but a couple of knots made the width taper a little curvy. I tillered using a new method (for me) which is actually one of the oldest techniques. I needed to keep the thickness so I cut hard chamfers down the edges (I think this is called trapping- using a trapezoidal cross section?). As I am very much still learning I got a chunk of set in the centre early on. I left the outers too stiff for too long. Should’ve had more confidence in the tapers. Draw weight is unknown as I have to extend my bow press to take a longer scales
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