[C320-list] Prop nut

[Rick Sulewski]

Ted,
You're Welcome! If you have a fixed blade prop, you may want to consider
having it trued & balanced. That service for my two blade brass prop cost
$100 and was money well spent. Combined with the new cutlass bearing that
was mildly worn, the prop work reduced the vibration I had previously
experienced in the cockpit. Severe or sudden tension placed on the edges of
the prop blades could induce blade deflection and over the years, one never
knows what floating trash the blades encountered.
Rick

-----Original Message-----
From: C320-list [mailto:c320-list-bounces at lists.catalina320.com] On Behalf
Of tharrison at innovations-plus.com
Sent: Wednesday, April 22, 2015 10:05 PM
To: C320-List at Catalina320.com
Subject: Re: [C320-list] Prop nut

Thanks Rick 

Sent from my iPhone

> On Apr 22, 2015, at 8:39 PM, "Rick Sulewski" <rsulewski at bex.net> wrote:
> 
> Ted,
> I have a single prop nut on my boat (hull #277).  To remove the prop I 
> had to strike the end of a wrench with a hammer several times to 
> loosen the jammed nut against the prop. Be careful to use a closed end 
> wrench or a deep socket wrench that provides a stable target to strike 
> the end of the wrench and strike the furthest end of the wrench while 
> the transmission is in neutral. For me, there was no need to contain 
> or attempt to keep the prop from turning.  For me, I just had to reset 
> the prop and wrench to provide several high force strikes in order to 
> break the nut free. I reversed the process to jam the nut against the 
> prop to ensure the prop was indeed reseated on the tapered shaft.
> 
> I second the earlier post indicating the need to keep the loosened nut 
> on the end of the shaft when pulling the prop so as to avoid having 
> the prop fly off the shaft. When pulling the prop I had to tightened 
> the tool several times by striking the wrenches to place pressure on 
> the puller and finally just walk away.... and the prop popped off 
> while I waited for the tension/pressure to do its work. The prop nut 
> kept the prop from flying off the shaft toward the rudder.
> Rick My-Ria 95 320 Hull #277
> 
> -----Original Message-----
> From: C320-list [mailto:c320-list-bounces at lists.catalina320.com] On 
> Behalf Of Jeff Hare
> Sent: Wednesday, April 22, 2015 6:56 PM
> To: C320-List at Catalina320.com
> Subject: Re: [C320-list] Prop nut
> 
> Allan,
> 
> Our boat only had a single large castle nut installed with cotter pin.
> Catalina direct also confirms this was standard...
> http://www.catalinadirect.com/index.cfm/product/1625_844/prop-shaft-ca
> stle-n
> ut-34.cfm
> 
> -Jeff
> 
> -----Original Message-----
> From: C320-list [mailto:c320-list-bounces at lists.catalina320.com] On 
> Behalf Of Allan S Field
> Sent: Wednesday, April 22, 2015 6:46 PM
> To: C320-List at Catalina320.com
> Subject: Re: [C320-list] Prop nut
> 
> There should be two - one is half-height, the other full-height.  And 
> while this sounds counter-intuitive, the half-height nut goes on first 
> against the hub.  The half-height nut initially takes the load but 
> when the full-height nut is installed, the load is transferred to that
one.  See:
> http://www.passagemaker.com/channels/propeller-nut-myth-busting/
> 
> Most very boat I have seen, including my own, had the full-height nut 
> installed first.
> 
> 
> -----Original Message-----
> From: C320-list [mailto:c320-list-bounces at lists.catalina320.com] On 
> Behalf Of tharrison at innovations-plus.com
> Sent: Wednesday, April 22, 2015 6:34 PM
> To: C320-List at Catalina320.com
> Subject: Re: [C320-list] Prop nut
> 
> I do not see two nuts. Just one
> 
> Sent from my iPhone
> 
>>> On Apr 22, 2015, at 6:14 PM, "Allan S Field" 
>>> <allan.field at verizon.net>
>> wrote:
>> 
>> First off, there are 2 nuts plus the cotter pin (or at least, should be).
>> Secondly, you may have to heat the nuts with a MAPP torch (propane 
>> torch probably won't get hot enough) enough to break them free.
>> Third, WD40 will be of no use.  Try PB Blaster and let it soak overnight.
>> 
>> -----Original Message-----
>> From: C320-list [mailto:c320-list-bounces at lists.catalina320.com] On 
>> Behalf Of tharrison at innovations-plus.com
>> Sent: Wednesday, April 22, 2015 5:24 PM
>> To: C320-List at Catalina320.com
>> Subject: [C320-list] Prop nut
>> 
>> I just tried to take the prop nut off. Notice I said tried. I just 
>> came back from tool store with a 1 1/8 deep socket and a 16 inch bar,
>> 1/2 drive.  This will be my second attempt!
>> 
>> I have put WD40 on the nut. 
>> 
>> I did remove the cotter pin. 
>> 
>> I have blocked the prop with 6x6and a couple of 2x6's up against the 
>> boat bottom.
>> 
>> Before I get all manly (which I am not) and use force on the nut I 
>> thought I would ask; " What am I or did I miss in trying to get this 
>> nut
> off"?
>> 
>> Ted
>> Hull 424
>> Whitby Ontario
>> 
>> Sent from my iPhone
> 
>