Prop puller? |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: June-25-2008 at 8:47pm |
Wrong! It doesn't apply full equal pressure to the backside of the hub. Plus, no provisions to pull a 4 blade on the #1 size. The #1 is the proper size for the people here on this site and many do run 4 blade props! Don, you must be smoking something! DonC, Do you work for, own or have stock in Walter gear??? Edit: It does seem that you are connected with Walter. Have you read the sites policies regarding commercial sales? You must have missed it!! |
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eric lavine
Grand Poobah Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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the only problem with that style puller is you have 2 buy thier 250.00 socket or they wont sell you the puller....
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79nautique
Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872 |
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wonder who signs your check |
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DonC
Newbie Joined: June-25-2008 Location: United States Status: Offline Points: 6 |
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Best prop pullers on the market:
www.waltergear.com |
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eric lavine
Grand Poobah Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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speaking of tapers, on larger Twin Disc and ZF transmissions on the main bull gears they do not use a key at all, they completly rely on the taper, you put the gear in the press and advance the shaft, you use a dial indicater to determine the amount of advance, these transmissions have 1500 hp pumped to them and you would think you need a key. to remove the gear there is a rifle drilled hole with threads at the top which leads to the bull gear and to remove you fill the hole with 90w gear oil and take the correct size bolt and wrap it with teflon tape and tighten it quickly with a impact and it hydraulically pops the gear, its pretyy amazing to do this or watch it
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"the things you own will start to own you"
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Doc, It is my own design and made it to get as even a 360 degree pull on the prop hub as possible. I was frustrated with the C clamp type with way too much spring or "give" in them. I had used a 3 arm gear puller at one time so that sort of started me in that direction. I really should have made several at the time but didn't think that others would need them. If I gear up for them again, you are the first person on my list.
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boat dr
Grand Poobah Joined: June-27-2004 Location: United States Status: Offline Points: 4245 |
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Pete , who built that "HIGH PERFORMANCE" propeller removal apparatus. I am impressed, but again I am from Monterey La. and it don't take much to impress me....
Still that is a cool tool,will you be building any more or was that a one off?Would be proud to add that to my Tool Box of Special Tools.........boat dr |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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T8, When you figure out what prop to use with all that HP, keep in mind that the taper is really what holds the prop on and tranmits all the torque. It is recommended to even lap with lapping compound the prop to the shaft. |
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MarineSRT8
Senior Member Joined: August-06-2007 Location: IN/FL/SC Status: Offline Points: 227 |
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I must have gotten lucky. my prop came off with a few taps from my hand....no problems
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"Some people go an entire lifetime wondering if they made a difference. Marines don't have that problem"
-Pres. Ronald Reagan- |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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This is my homemade puller I made about 15 years ago after I had a problem with the "C" clamp style having too much spring in it. I do have a 4th bolt and the plates are drilled and tapped for it to be used with a 4 blade. It was up north and I just remembered to bring it home.
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1987SN2001
Groupie Joined: October-16-2006 Location: United States Status: Offline Points: 48 |
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jbear,
Any skier is a friend of mine, especially a Nautique enthusiast. You can email me at the link below: I have learned (after building quite a few of these dumb things, recently) that many "C" clamps are not strong enough to withstand the force of pulling a prop. I have switched to using 1/4" solid steel instead of a "C" clamp (although there are some strong "C" clamps that do work). Something else I found out is that the angle of the bolt in relationship to the end of the puller is critical. If it is out of tolerance, the puller does not work. I still believe, if you have some welding skills and a few hours to spare, you can make a quality puller for less than $15.00. Ski well. contact me1987 Ski Nautique |
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jbear
Grand Poobah Joined: January-21-2005 Location: Lake Wales FL. Status: Offline Points: 8193 |
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If you built for your bud, how about some of mech-challenged guys?
john |
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"Loud pipes save lives"
AdamT sez "I'm Canadian and a beaver lover myself"... |
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1987SN2001
Groupie Joined: October-16-2006 Location: United States Status: Offline Points: 48 |
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I tested it on both 3 and 4 blade props and it works just fine. I was wrong about the price. I built another one for my buddy and it costs less than $15.00.
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Hollywood
Moderator Group Joined: February-04-2004 Location: Twin Lakes, WI Status: Offline Points: 13514 |
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Is it thin enough to work on 4 blades?
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Darrel
Senior Member Joined: June-16-2004 Location: United States Status: Offline Points: 340 |
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very Mcguyver, nice piece of work.
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boat dr
Grand Poobah Joined: June-27-2004 Location: United States Status: Offline Points: 4245 |
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thanx mucho for pix and info,anything to do with boats is too cool. just could not envision how to build one out of common stuff in my shop...........boat dr
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1987SN2001
Groupie Joined: October-16-2006 Location: United States Status: Offline Points: 48 |
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Here is another angle of the prop puller. Better explains how I cut out the pipe cap. Hope this helps. |
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1987SN2001
Groupie Joined: October-16-2006 Location: United States Status: Offline Points: 48 |
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Looking from left to right: The end of the puller that "pulls" against the back of the prop is made from a 1" steel pipe cap. I ground a flat edge and welded it to the end of the cut down clamp. Then I cut out the cap so it would fit on the shaft between the prop and strut. I welded a 5/8" threaded adapter to the other end. You could weld two or three nuts together instead if you wanted. (be sure to put the bolt in first to keep them aligned). Use a 4" long 5/8" bolt. I put a nut on the inside of the clamp and left several threads open, then welded it to the bolt. That allows the nut to "wrap" around the end of the shaft so it will not slip off. I filleted all of the welds, buffed, and painted it. Workds great. All together cost less than $25.00. |
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boat dr
Grand Poobah Joined: June-27-2004 Location: United States Status: Offline Points: 4245 |
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1987 please send us a photo of your fabricated (homemade) puller, would be of great intrest to those that won't spend the money but want the tool..........boat dr
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bsucics
Senior Member Joined: July-18-2006 Location: United States Status: Offline Points: 109 |
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I've been reading all the posts for pulling a prop - potentially a pain, but seems straight forward. How difficult/what's involved in reinstalling the prop with the key? Thanks
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1987SN2001
Groupie Joined: October-16-2006 Location: United States Status: Offline Points: 48 |
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I made a high quality prop puller, similar to the commercial models, for about $25.00 and two hours of my time. Start with a 4" C-Clamp. Cut off the screw and the stop (the screw on a standard 4" clamp is not strong enough). For the stop, I used a 1" steel pipe cap from the plumbing isle ($0.95). Cut the cap about a 45 deg angle and grind out the radius. Weld that to the back of the clamp. I welded a 5/8" threaded rod adapter onto the opposite side. Use a 4" long 5/8" threaded bolt and you are in business. I welded a nut on the inside of the bolt and left a gap to cap the end of the drive shaft.
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Ken-Aus
Newbie Joined: April-13-2004 Location: Australia Status: Offline Points: 7 |
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I have always been told to use a brass key at the prop end and a s/s key at the coupling end. This is to ensure that if something does go wrong you can shear the key.
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tommer12
Senior Member Joined: February-05-2004 Location: United States Status: Offline Points: 366 |
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here is the test to see what pitch you need.. if I got this right.....
You should be able to near redline on your boat when it is wide open. If you can not, that means your pitch is off. Not all boats should have the factory pitch.. for instance 13x13... it may be after loading it down with 1000 lbs of weight 13x14 or something like that.... I do not completely understand it, but there is a huge impact on what your pitch should be after you weight the boat down. I posted a guys name that explained it to me earlier... Scott can go more into detail and actually adjust your prop for proper load, etc. |
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nauti girl
Groupie Joined: January-20-2004 Location: United States Status: Offline Points: 61 |
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I DO have a 1:1.
I have sent in the prop sizing inquiry form to Michagan Wheel. I'm waiting for their reply. |
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Nauti Girl
--I think my husband uses his own login now! |
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tryan
Senior Member Joined: November-12-2003 Location: United States Status: Offline Points: 345 |
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see if your transmision has an id plate. if you have a 1:1 go with woodys recomendation of a 13x13. if you have a reduction tranny 1.23:1, the prop your turning sounds about right. have oj add some cup if it checks out if you want to get the rpm's down.
you might compare your tach to a dwell meter with a high rpm scale. it might be off a tad. my old teleflex petered out at 3k, but yours might be set on 6 cylinder or something. |
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nauti girl
Groupie Joined: January-20-2004 Location: United States Status: Offline Points: 61 |
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I sent my 12X15RH1.0 to O.J. for repair with instructions for them to call me before they begin. Since I am turning that prop over 5200 RPM, I have some doubt that it is ACTUALLY 15 pitch. I have been advised that my 351 Commander 4V should not be able to turn that prop that fast, so it might have been re-pitched lower (or maybe my engine has more-than-stock power?).
I would also like to buy a new (re-conditioned) prop of the original size, but at this point, I'm not sure what the original size is. I called Southeast CC, and asked them what the original size was They were really nice, but they seemed to be guessing - by the time I got off the phone they must have told me 3 or 4 different sizes that it could have been |
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Nauti Girl
--I think my husband uses his own login now! |
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tryan
Senior Member Joined: November-12-2003 Location: United States Status: Offline Points: 345 |
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a three pronger got a little to close to the blades for my liking, but i guess it depends on the prop. are you going to get a new one or get yours fixed?
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nauti girl
Groupie Joined: January-20-2004 Location: United States Status: Offline Points: 61 |
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I borrowed a BIG 3-prong gear puller from the "loan-a-tool" at the local cheap parts store we all hate. It worked GREAT!
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Nauti Girl
--I think my husband uses his own login now! |
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tryan
Senior Member Joined: November-12-2003 Location: United States Status: Offline Points: 345 |
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i use a nylon lock nut and no key on the '72.
double nut with a cotter on the '60. the prop on the '69 will bend the stainless ironmann puller. |
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Rick
Senior Member Joined: March-03-2004 Location: United States Status: Offline Points: 338 |
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There are no formal Torque specs. I agree with Toomer12 Tighten untol the prop reaches the mark you made without the key Then align the nut so you can get the cotter key in. Repplace the coter pin each time you replace the prop. Use a stainless pin. Why lose a $300 prop to save $2 on a pin.
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