Group, Please welcome your new moderator, Jerry Gilbert. Jerry has a BS degree in Manufacturing Engineering and he is currently an Industrial Engineer and...
OK I have a question for you long time frame builders. Is DOM tubing an absolute must? Also if not, what tubing can be used for the structural parts of the...
... welded tube "USA" is very accurately sized. Structuraly, I don't see much differance either. If you want to use 4130, DOM is what you are likely to find....
Look at these people thay have a lot of dom and 4130 www.shapirosupply.com ... From: gwihnan [mailto:gwihnan@...] Sent: Thursday, December 04, 2003 9:21...
Scott asked: Is DOM tubing an absolute must? Also if not, what tubing can be used for the structural parts of the frame. Hi Scott, DOM is just has a little...
Thanks Michael, I was wondering if anyone was using standard CREW. Scott ... From: Michael Moore To: bikebuilders@yahoogroups.com Sent: Thursday, December 04,...
Hi Scott, I really don't see much reason to avoid the CREW tubing. AFAIK the days of CREW splitting on the weld are far in the past, and I don't see how DOM...
... welded seem. Mild steel is indeed available in seemless and I have some, use it. 4130 is denser and stiffer than mild 1018/1020 and has better damping...
You've GOTTA be kidding me,..of course this guy's on the completely OPPOSITE coast from me,..LOL!!! GRRRRR! Jason on 12/5/03 6:08 PM, Terry Cowan at...
... Hello Guy, It is a common misconception, but all steels are equally stiff, with a Youngs Modulus (also known as the modulus of elasticity) of 30 million...
I started my photo album in the Photos section. I started with pics of the dry extension I added to an old Sporster tank. Also added pics of the finished bike....
... Hi Larry, Maybe what you need is a nice "4130" sticker for your mild steel frame? :) Which reminds me of a racing sidecar that I saw that had a "this is...
Let me pose this question then. If you were to fabricate a 4130 frame using 1.250" tubing for the main frame and 1.50" tubing for the backbone what would your...
That's a bit of a "how long is a piece of string?" type of question. What type of frame, how are the tubes configured, what engine, what type of use, etc etc?...
From the Chris Alston Chassisworks catalog: 4130 tubing is a stronger material, the rules let us use a thinner material (.083 and .065 inch wall) Thus, a...
to put my 2 cents in, i have seen 4130 welded with MIG gas and tig. some people say you cant MIG 4130 but the sand rail shop by me does it all the time and ...
Hi Larry, 4130 was originally developed to be gas torch welded for aircraft use. That was an interesting quotation from the CAC catalog. The problem is that...
... the downtubes. What was said about the importance of a ductile weld in a flexing, high vibration enviroment can't be overstated! That's why I would advise...
I've built 2 aircraft fuselages from 4130, both gas welded. 4130 and mild grade weld about the same. 4130 is usually of thin wall so its easier to blow a whole...
... me. i ... it's a bit ... need a drink or two. ... know... Digger Don't be intimidated by what you think you may not know. I think it would be fair to say...
thanks for the inspiration. i am more of a sheetmetal guy...stretched a few tanks,made a few oil tanks,sectioned fenders and the like. i've always believed ...
... guy...stretched a few ... always believed ... made it",if we ... know i'm ... continuing ... Sure, It's just a learning curve. I'm not what you call a...
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