[modeleng] Re: The ban on paint stripper and clack valves

If you grind a slight angle on the D bit you use to cut the seat, so 
that it forms a little 'volcano' in the bottom of the hole, you will 
make a perfect fit every time with a bit of a whack with a ball and 
brass drift. I've made quite a lot of 'em, and pumps, and never had to 
do one twice.
Barrie Purslow wrote:
> Hi Jesse,
>
> I've spent hours messing about with stainless steel balls clacks. I've 
> tapped them, I've hit them, I've squeezed them and I've burnished them. I've 
> used various arrangements of brass rod to ensure absence of side thrust etc. 
> etc. Despite all of this I cannot get a stainless ball to seat reliably. 
> Nitrile are much better but not perfect.
> I have on my "To Do" list a design of clack that uses an O 
> ring............watch this space.
>
> Best (Non Political) Regards,
>
> Barrie
>
> ----- Original Message ----- 
> From: "Jesse Livingston" <fernj1@xxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Tuesday, March 17, 2009 4:05 PM
> Subject: [modeleng] Re: The ban on paint stripper and clack valves
>
>
>   
>> Green NECK,
>>
>> No Vodka here but I have two small bottles of Canadian "Yukon Jack" that
>> might do for paint remover.
>>
>> Why would anyone want to use anything other than stainless steel for clack
>> valves?  I have used Stainless in every pump I have built and had no
>> problems at all, even when hydroed at 400PSI.  I seats them by giving them 
>> a
>> whack with a brass rod and hammer.
>>
>> RED NECK in Troy, TN, in what is becoming the United Socialist States of
>> America under the Muslim dictator, Hussein Obama.
>>
>>
>> ----- Original Message ----- 
>> From: "TEL" <tel47@xxxxxxxxxxx>
>> To: <modeleng@xxxxxxxxxxxxx>
>> Sent: Monday, March 16, 2009 1:14 AM
>> Subject: [modeleng] Re: The ban on paint stripper
>>
>>
>>     
>>> Don't think so Neck, but enough of it and you don't care if the paint
>>> gets removed or not.
>>> The other Neck
>>>
>>> Jesse Livingston wrote:
>>>       
>>>> Tel,
>>>>
>>>> That sounds a lot like what sort of weapons rule our Emperor Hussein
>>>> Obama
>>>> will have enacted.  Won't Vodka work as a paint remover??
>>>>
>>>> NECK
>>>>
>>>>
>>>>         
>>>>> Rubber knives and forks next?
>>>>>
>>>>> Alan Stepney wrote:
>>>>>
>>>>>           
>>>>>> Probably the most popular paint stripper (in the UK) is Nitromors.
>>>>>> This and most other present paint strippers are soon to be banned.
>>>>>>
>>>>>> See:  http://tinyurl.com/btlek5
>>>>>>
>>>>>> I shall build up a nice stock to keep me going for a long time!
>>>>>>
>>>>>> Alan
>>>>>> MODEL ENGINEERING DISCUSSION LIST.
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>>>>>>             
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>
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