Re: [DML] Modified Trailing Arms For 1/2" Bolts
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [DML] Modified Trailing Arms For 1/2" Bolts



If you own a DeLorean.  You should have some technical or mechanical 
expertise if not send it to DeLorean In Huston!  Great people!

My brother in-law couldn't screw a screw in if I was holding the screw 
driver!

Unless your wealthy, and got the bucks,  go for it!  I'm Selling mine.. 
Don't want to, The love of my life died "my wife" and I am an 20 year 
veteran.  Hate to sell it "O" well. Life changes.  We had fun.!!  Time to 
Go!

Jon Manss Lockwood
2173


----- Original Message ----- 
From: "K.L. (KAYO) Ong" <klo@xxxxxxxxx>
To: <dmcnews@xxxxxxxxxxxxxxx>
Sent: Tuesday, February 07, 2012 3:15 PM
Subject: Re: [DML] Modified Trailing Arms For 1/2" Bolts


> Too much hardness (brittle) is just as bad as too soft (ductile)...
> As for Toby's bolts.... So far, Toby's bolt has been serving my car
> very well on the roads and streets of NYC. since his introduction
> many years ago.   Before Toby's bolts, I had replace the trailing
> arms bolt twice!  First time, they were both bolts were bent upon
> inspection.  The right side bolt was more bent to the point a shim or
> two fell out.  The second time the right side bolt had actually
> snapped (sheared) off on a right turn!!!  I was luck to be one block
> from home...  Anyway, my DeLorean was then towed to Rob to have the
> replacement to have Toby's bolt installed...
>
> For what it is worth about softness and hardness about metals from
> the aviation industry....
>
> Some years ago a helicopter had crashed.  Upon inspection, the
> primary rotor blade's pivot securing bolt was at fault.  This bolt
> was made in mainland China, where quality control was not a critical
> issue.  To the manufacture, steel is steel... The problem was the
> bolt produced was way too soft and did not meet the required Rockwell
> hardness test as prescribed....  The bolt cost was $5.00 US.... It
> was five dollars versus the $20.00 US approved bolt by the
> F.A.A.!!!    From that failure there were major lawsuits and I
> believe the Chinese manufacture got away with it, for one, it was
> overseas and government affiliated and two, the company just closed
> shop and change it's name... So, that is about soft metal.
>
> In the USA aviation industry/manufacturing, the rivets that are used
> are sent frozen from the manufactures until they are ready for usage
> upon assembly.  If the rivets are removed from the freezer and they
> are not used and or they have been sitting around beyond a designated
> time, they are automatically scrapped.  The reason is because the
> room temperature with bring up the molecules movements which raise
> their brittleness (work harden by temperature)... And also, the
> assembler who is pneumatically hammering the rivets must know that
> there are a prescribed amount of "hits" allow to the rivets.  This is
> to not to over "work harden" the rivets upon compression which may
> create a condition for premature failure!!!  Just several years ago,
> we have seen planes in the news with the fuselage parts ripped off or
> fallen off...  Rivet, rivet...  That is hardness in metals....
>
> Kayo Ong
> #5508
> Lic  9D NY
>
>
>
> On Feb 7, 2012, at 1:53 PM, Matthew wrote:
>
>> http://www.industrialchassisinc.com/Web-blog/?p=622
>>
>> --- In dmcnews@xxxxxxxxxxxxxxx, "Martin Gutkowski" <martin@...> wrote:
>> >
>> > Tensile strength is only part of the story, you have to be
>> careful with ductility, aka "brittleness" and in general with steel
>> the higher the tensile strength, the more brittle it becomes. A
>> suspension component should have a degree of ductility, but not to
>> the point of fatigue or elastic limit. The torque spec for the TABs
>> is far lower than would normally be applied to such a bolt.
>> >
>> > Martin
>> >
>> >
>>
>>
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
>
> To address comments privately to the moderating team, please address:
> moderators@xxxxxxxxxxx
>
> For more info on the list, tech articles, cars for sale see 
> www.dmcnews.com
>
> To search the archives or view files, log in at 
> http://groups.yahoo.com/group/dmcnewsYahoo! Groups Links
>
>
>



------------------------------------

To address comments privately to the moderating team, please address:
moderators@xxxxxxxxxxx

For more info on the list, tech articles, cars for sale see www.dmcnews.com

To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnewsYahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/dmcnews/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/dmcnews/join
    (Yahoo! ID required)

<*> To change settings via email:
    dmcnews-digest@xxxxxxxxxxxxxxx 
    dmcnews-fullfeatured@xxxxxxxxxxxxxxx

<*> To unsubscribe from this group, send an email to:
    dmcnews-unsubscribe@xxxxxxxxxxxxxxx

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/



Home Back to the Home of PROJECT VIXEN


Copyright 2006 ProjectVixen.com.  All rights reserved.

Opinions expressed in posts reflect the views of their respective authors.
DMCForum Mailing List Archive  DMCNews Mailing List Archive  DMC-UK Mailing List Archive