[GreenKeys] TP180502 Head, Print Hammer

[Ron Kolarik]

The return list is getting quite long so copying to the list as well.

There are some good castable urethanes that may be usable
as George has pointed out. Here's some links that may help
but we need to know which one has the correct hardness.

http://www.bjbenterprises.com
http://www.westernroller.com/
http://masterpiecemodels.com/

Ron


----- Original Message ----- 
Sent: Thursday, April 12, 2012 11:57 AM
Subject: Re: TP180502 Head, Print Hammer


> No Ron,
> 
> As far as I am aware there are no shore strength specs available.
> The only properly made print hammer was done in Canada
> but I no longer can find the example Dave sent me.
> I put it in such a safe place... Have you ever done that?
> 
> George is probably right in that there are modern materials that might  
> work.
> I am hoping to get a good recommendation from Mercer with the sample
> that Wayne Durkee sent me.
> 
> Don
> 
> 
> On 12 Apr 2012, at 1:39 AM, Ron Kolarik wrote:
> 
> Don do you have any more specs on the print hammer?  I'm looking for
> a Shore strength spec if you have it.  There may be a simple solution  
> and
> inexpensive to boot, I just need to find the right material strength.
> 
> Ron
> 
> 
> ----- Original Message ----- From: "DR HOUSE" <k9tty at dls.net>
> To: "Ron Kolarik" <ronkolarik801 at gmail.com>
> Cc: <greenkeys at mailman.qth.net>
> Sent: Wednesday, April 11, 2012 4:28 PM
> Subject: Re: News from Mercer Gasket & Shim
> 
> 
>> Hi Ron,
>> The head needs to be a rubber product as it slaps the typewheel  
>> pretty  hard.
>> I will review this with Mercer if they are interested in helping.
>> As far as Delrin is concerned after this project I may ask them to   
>> look into
>> making print hammer heads for M28, 35, and 37 Reperforators.
>> Don
>> On 11 Apr 2012, at 3:37 PM, Ron Kolarik wrote:
>> Don, I'm not familiar with those Teletypes. Can the print hammer head
>> be made of some hard material like Delrin or must it have some  
>> cushoning
>> properties??
>> Ron
>> ----- Original Message ----- From: "DR HOUSE" <k9tty at dls.net>
>> Sent: Wednesday, April 11, 2012 11:41 AM
>> Subject: Fwd: News from Mercer Gasket & Shim
>>> TTY GUYS
>>> I have sent this request to Mercer Gasket and Shim.  I would be    
>>> interested in a SWAG of how many of you would like several of  
>>> these   180502 Print Hammer Heads for Models 32, 33, and 38  
>>> Teletype   machines... Don
>>> ---------------------------------------
>>
>