CB350 Built by a teen (Weld Now, Grind Later)

Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

Hi Beave,
Yeah, I tend to use 'alloy' for aluminium, 'steel' for any ferrous material and 'stainless' for stainless steel's
Saves me a lot of typing but can cause confusion ;D
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

No worries, man! I've just been around metals so much that most times I am talking specific alloy designations, at least in my own head. LOL!
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

The_Beave said:
No worries, man! I've just been around metals so much that most times I am talking specific alloy designations, at least in my own head. LOL!

agreed.

i.e. 420 stainless, 6061 or 7075 aluminum, etc.
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

Exactly!

More work is scheduled for Saturday afternoon. WOOHOO!
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

Unless your giving specific information to make a certain part, you don't need to give material spec on a forum.
Generic steel/alloy/plastic is fine
If you need more info on materials, try this link
Speedy Metals Material Information
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

I think my point was that ALL metals we see now-a-days are alloys.

Alloy:
A substance composed of two or more metals, or of a metal or metals with a nonmetal, intimately mixed, as by fusion or electrodeposition.

It is confusing to me to use "alloy" as a specific term for aluminium, since steel, stainless, brass, inconel, monel, chromoly, etc. are all alloys.

*shrugs* I don't mean to nit pick, just explain where my confusion comes from. I also get confused when people say "next Tuesday" and mean two Tuesdays from now . . . That doesn't make sense to me at all. LOL!
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

I am a layman, yet I agree with using proper nomenclature, esp if you know what you are talking about. Reading a post where someone uses technical terms gives us laymen a chance to learn by comprehension through context.

As for the "next Tuesday" thing... I think it has just become shorthand for "the Tuesday after next." Since there is really no reason to say "next Tuesday" when you actually mean "this Tuesday" since the closest Tuesday can always just be referred to as "Tuesday." That being said, I do prefer "the following Tuesday" or "the Tuesday after next." I guess the former can still be ambiguous, but I think it's clearly to be inferred that what the Tuesday in question is following is the closest future Tuesday.


Tuesday.
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

It all comes down to where you come from I guess. I know that almost any metal is an alloy, but there's steel, alloy and pot metal.
Steel is an Iron based alloy
Alloy is the word we used for decades for anything made out of Aluminium which we knew had to be an alloy and not 100% pure
Pot metal was and still is used for cheap casting of carb bodies among other things and is zinc based.

Unless there was a need to be specific about the grade of steel or the alloying components, you got whatever was available and that was the same with "alloy". We couldn't go in to a supplier and buy 6061 T6 or 2011 back in the day. Well you could but that's not the point. Likewise we went to buy bolts that we knew were steel or High tensile steel and that was pretty much it. If we wanted to grab a piece of bar stock to fabricate something, the actual composition was irrelevant. It was a lump to steel and it was fine.

So it's partly cultural and partly a simplification. I still use teh word Alloy to mean an aluminum based material and if I have choices I'll go with the grade and heat treat that's most suitable, but in conversation, I just use that word and rarely aluminum or aluminium.

It's a motorcycle thing. e.g. I'm replacing those steel mudguards with alloy, or I want an alloy tank to replace the stock steel one. Pretty much universal motorcycle language. When I go to the machine shop or I order metal that's a whole other story. There, it's important to call it by the correct name rather than the generic one.
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

When I talk aluminum, I say Aluminum. Steel is Steel, Brass is Brass, Carbon Fiber is Carbon Fiber, Fiberglass is Fiberglass, Kevlar and etc...

When I get specific, I do as 6061 T6 alclad, 408 Half Hard, 300M steel, Fiberglass with 956 resin, etc...
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

Just because I don't, doesn't mean I can't ;D
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

Massive progress made today. Pics to come before the end of the century. I think you might like what you see, too!
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

Pics!

justins_header_37.jpg


Nearing completion:

justins_header_36.jpg


Probably my best weld of the day:

daves_bike_02.jpg


That is 1/8" plates to thin sheet on the frame, making a standoff for the new body, which will fit something like this:

daves_bike_09.jpg
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

Um...huh? Apparently I'm on crack, cause I thought cb350's were twins... Or are those headers for something else? I take it they are, based on the sensor hole(?). They do look good though.
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

I don't just work on Motorcycles. The 4-2-1 header is for a friend's Civic. The megaphone assembly is for another civic. I'm just showing off some of my work. LOL! There's more motorcycle related stuff on my blog, if you click the link in my sig.
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

I think a bunch of people confuse it with 6061 and it gets passed on
Not impressed with links supplied by swindle, haven't been able to find any specifications on 7071 and onlt references seem to be castings not forgings
Bit like sprag clutches, several people think it should be spelled sprague, including automotive and motorcycle manufacturers.
Sprague is mathematical, sprag comes from old Swedish, a 'wedge' to stop felled trees rolling down hill ;D
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

t71ford-

No. I am the guy who has tools and skills Dave wishes he has. He'll learn, though. I want to get the work that needs to get the bike on the road ASAP, then I can get him under the hood and see if he can handle doing 5 things at once. LOL!

crazypj-
All my good books are in storage right now, but, I've never heard of 7071. In my quick bit of research online, I am fairly sure that if it does exist, it is a proprietary blend. 7075 is available and "correct." It's also dang strong. If it isn't on matweb, I would lean towards it not existing, or at least not something that follows "normal" nomenclature for these sort of things.

The 7071 thing does indeed seem to be idiocy passed along.
 
Re: CB350 Built by a teen (Weird Pipes) FRESH PICS UP!

FINALLY! I got a better than a dang cell phone pic! LOL!

getting_better.JPG


The weld on the megaphone on the left was the last weld I did in that pic. I'm finally getting the hang of this thin gauge stuff. =)
 
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