[Fot] crankshaft steel

[Jamie]

Marty I was literally getting ready to take a Spitfire crank metal recycling.
Obviously I'll be at VTR. Consider it taken.

Jamie Palmer


> On Jul 30, 2014, at 11:34 AM, marty <trmarty at hotmail.com> wrote:
>
> OK, along these lines.  I need a Section of a broken spitfire crank for a
> "special" :) project. Does not matter what engine. If you have one in your
> junk pile and are going to VTR in September or the 2015 Kastner Cup toss it
in
> your trailer.
>
>
>
> Marty
>
>
>> From: ablake2 at austin.rr.com
>> Date: Wed, 30 Jul 2014 10:09:38 -0500
>> To: johnstydo at gmail.com
>> CC: fot at autox.team.net
>> Subject: Re: [Fot] TR4 crankshaft steel type
>>
>> John,
>>
>> I can send you three partially destructed examples for destructive
testing.
>>
>> Might be the reason there is not an EN16 crank in my race engine.
>>
>> Let me know,
>>
>> Greg
>>
>>> On Jul 30, 2014, at 9:26 AM, John Styduhar <johnstydo at gmail.com> wrote:
>>>
>>> Thanks Duncan and Greg. Unfortunately, the English alloy code EN-16 was
> not
>>> helpful in describing the type of steel in the TR4 crankshaft to the
>>> metallurgy folks at P&L Heat Treating and Grinding in Youngstown, OH.
> They
>>> explained that the type of steel determines the duration and depth of the
>>> hardening process. Lacking this information, they cannot determine the
>>> depth of hardness without destructive testing.
>>>
>>>
>>> On Wed, Jul 30, 2014 at 9:50 AM, Duncan Charlton <
>>> duncan.charlton54 at gmail.com> wrote:
>>>
>>>> Greg Solow's reply from November 2010:
>>>>
>>>>> The TR-2 through TR-4 crank is made of a Manganese Steel alloy. The
>>>> English alloy code is forged right on the crank. It is EN-16. The alloy
>> can
>>>> be looked up in the "Machinists Handbook"...The EN-16 alloy has enough
>> good
>>>> ingredients so that it benefits dramatically from being Nitride treated
> in
>>>> an ammonia atmosphere.<
>>>>
>>>> Duncan
>>>> (Texas)
>>>>
>>>>
>>>>> On 7/30/14, 8:27 AM, John Styduhar wrote:
>>>>>
>>>>> What type of steel is the TR4 crankshaft made from? I need to provide
>> this
>>>>> information to the nitriding facility. Thanks
>>>>> _______________________________________________
>>>>> fot at autox.team.net
>>>>>
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