Get some PVC pipe, PVC fittings or some wood pieces and make a bushing for the hole in the sole to steady the top of the extension and keep it aligned. Torque away!
Dennis C. On Sun, Jan 14, 2018 at 6:09 PM, Josh Muckley via CnC-List < cnc-list@cnc-list.com> wrote: > So now I have a new problem. Keel bolt #4 is down a deep hole and is > constrained to a narrow channel. The immediate thought is to simply use an > extension. Problem is that the torque multiplier specifically states to > not use an extension... I assume on the output shaft. I also assume that > the reason for this is to ensure alignment stays perfect while applying > such extreme torque. > > So, is it better to brace the handle-less multiplier in the bottom of the > hole while using an extension on the 1/2" drive input shaft to apply the > required torque? Without a handle I'll shore up the edges of the hull to > attempt to prevent excessive point loads and crushing. > > Or is it better to use a 13" long, 3/4" drive, extension between the > socket and the multiplier to get the multiplier above the hole? This would > allow using the handle on the multiplier. > > Here are some pictures: > https://drive.google.com/folderview?id=1G3HVN_jj0PYa0e5Otk9nwdqVoR4CYTCy > > Thanks, > Josh Muckley > S/V Sea Hawk > 1989 C&C 37+ > Solomons, MD > > > > On Jan 13, 2018 10:35 PM, muckl...@gmail.com wrote: > >> It looks like I should have checked my standard nut/bolt sizes. See the >> attached chart. >> >> Josh >> >> >> >> >> On Jan 13, 2018 7:54 PM, "Josh Muckley" <muckl...@gmail.com> wrote: >> >> The only thing I had close to 1-13/16 was 1-7/8 which seemed to fit the >> #5 bolt and it was only best measured as a 1-1/4" stud. >> >> #1 and #7 match, measuring 1" and fit 1-1/2 socket. >> >> Here's the latest chart (* denotes unchecked) >> Keel bolts (fwd to aft): >> Nut stud >> 1 - 1 1/2 (38mm) 1 (25mm) >> 2 - 2 3/16 (56mm) 1 1/2 (38mm) >> *3 - 2 1/4 (57mm) 1 1/2 (38mm) >> 4 - 2 3/16 (56mm) 1 1/2 (38mm) >> 5 - 1 7/8 (47.5mm)1 1/4 (32mm) >> *6 - 2 1/4 (57mm) 1 1/2 (38mm) >> 7 - 1 1/2 (38mm) 1 (25mm) >> *8 - 3/4 (19.5mm) 1/2 (13mm) >> >> Josh >> >> > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > >
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