Baldwin Accu-Just Hitch Pins--General Information

[Erwinspiano@AOL.COM]

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In a message dated 1/22/2002 10:39:22 PM Pacific Standard Time, 
pianobuilders@olynet.com writes:


> Subj:Re: Baldwin Accu-Just Hitch Pins--General Information 
> Date:1/22/2002 10:39:22 PM Pacific Standard Time
> From:<A HREF="mailto:pianobuilders@olynet.com">pianobuilders@olynet.com</A>
> Reply-to:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A>
> To:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A>
> Sent from the Internet 
> 
> 
> 
>  
> >> ----- Original Message ----- 
>> From: <A HREF="mailto:Erwinspiano@AOL.COM">Erwinspiano@AOL.COM</A> 
>> To: <A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A> ; <A HREF="mailto:Davehugh@email.msn.com">Davehugh@email.msn.com</A> 
>> Sent: January 22, 2002 9:50 PM
>> Subject: Re: Baldwin Accu-Just Hitch Pins--General Information
>> 
>> 
>> . Del
>> >>>     I read John Hartmans articles on the subject in the journal and no 
>>> disclaimers there as to the specifics you mentioned.  I read all of Nick 
>>> Gravagnes info on the subject many times as to the 1& 1/2 degree method 
>>> which doesn't really work. No disclaimer there and yes I used that for a 
>>> while with less than satisfying results. My point is that unintentional 
>>> dis- information occurs unfortunately.
>>> 
>> 
> Now, see? That's just what I mean. Obviously Nick's specification worked 
> for him using his boards, his process and his shop conditions. There was/is 
> enough different in what you were/are doing to make the results less than 
> satisfactory to you. From his perspective it probably wasn't 
> disinformation. 
>  

  .            Del --My first board was one of Nicks. I should have mentioned 
that Nicks method apparently didn't work for him any better than for me as I 
learned from him later that he had incorporated pre-stressing along with the 
other.Talk about disinformation from a well respected Rebuilder!! I've since 
forgiven him because all his other good qualitys and contributions."Grin"> 
>  
> 
> >> 
>> >>> 
>>>     Although prestressing isn't as sceintific as measuring rib height 
>>> ,tension, beam strength, and resultant angle of deflections for bearing 
>>> values , it does work. But that's not to say that I'm uniterested in 
>>> calculating bearing in that manner. I just haven't gotten there yet. I 
>>> would love to compare the end results using both methods and will.
>>> 
>> 
> I wasn't suggesting that you should measure all this stuff. But, I'll be 
> you compensate in some manner for it all. Whether you do it consiously or 
> intuitively is another issue.
>  
>  
>    >>>>>>>>>I was going to say this last night but ran out of gas. Both  I 
> believe. I learned a while back that Ds need real generous amounts of 
> bearing to move a panel this large, When I'm pounding on the bridge and 
> driving in the wedges it;s pretty clear how stiff a particular board is to 
> the tactile sense.    
>      
> >> 
>> >>> 
>>>    As a matter of interest to me we both stated we would apply more 
>>> bearing on the Baldwin system than the factory specs. suggested. The 
>>> accujust info. was concise.
>>>  
>>> 
>> 
> Well, I have had a bit of experience with them, albeit some time back. (And 
> I'd also like to see a bit more crown in those ribs.)

....................................>>>>>>>>No Doubt
                                    Dale

>  
> Del
> 


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