Wallaby

[metalmad]

Made a valve today and did a temporary install to help in choosing the springs.
The valve seats are not done, so it will sit a little higher and of course the rockers need to be neatened up down the track a bit.
I think id like to go just a little larger then the one shown.

 

[steamer]

That looking Great Pete!

Dave

 

[metalmad]

Thanks Dave
Its a start anyway

I picked up some springs that I think will be ok today and will finish off the valves tomorrow arvo I hope.

 

[steamer]

303 stainless for the Valves?

Dave

 

[T70MkIII]

Nice start, Pete. You're a fast worker!

 

[metalmad]

Dave, all the valves Ive made have been from dyna bolts, which are pretty tough stuff and so far i have not had any failures, but if that changes then i guess i will have to think about another material.
Hi Richard, I don't do that much or even that fast really, but just a little bit every day soon builds up :big:

 

[metalmad]

I decided to start the carby today from a bit of scrap.
have not decided on its outer final form yet so im just gunna blunder along
I think it may turn out downdraft or maybe not :big:
The first bit will be the air cleaner and the carb body will be made from the rest of the bar.
The 1 inch recess in the air cleaner in the first pic is for the choke plate and its beside the head for reference in the second.
The air clearner will also have a slot for the choke handle.

 

[steamer]

"...Dave, all the valves Ive made have been from dyna bolts, which are pretty tough stuff and so far i have not had any failures, but if that changes then i guess i will have to think about another material..."


Ohhh OK.... a concrete anchor...got it.

Dave

 

[metalmad]

OK a little more on the carby
I parted off in the lathe after making some markers with the part off tool and moved over to the mill .
I then milled a flat on both sides leaving the air cleaner flange full size, after that i drilled and milled out the throttle body and two holes for the end cap.
I'm thinking about another bit of scrap alli for the throttle itself but i'm a bit worried about the strength of the throttle shaft.
pete

 

[tel]

Thm: You keep going at this pace you'll have it wallabing along in no time!

 

[metalmad]

U just watch me hit a brick wall when it comes time to do the cam and gears.
there's still time, I might make a Roo out of this build yet :big:

 

[steamer]

U just watch me hit a brick wall when it comes time to do the cam and gears.
there's still time, I might make a Roo out of this build yet :big:

No ya won't, we'll talk you through it....no worries mate.....

Tel.....exactly was does the act of "Wallabing" look like?......... ;D

Dave

 

[metalmad]

Lucky I can put em off for months yet :big:
and Wallabing has gotta be better then Rooing a Wallaby

 

[metalmad]

I had a bit of stainless that was a pretty good fit for my throttle and i recon it will be plenty strong too.
I want to try and drill a 1/4 hole thru both the alli body and stainless throttle so that will be interesting. Im going to put a paper spacer in to lock the throttle in place first.
Im a bit worried the drill will wander once it hits the stainless.
pete

 

[tel]

Tel.....exactly was does the act of "Wallabing" look like?......... Grin

For that you would need to observe the wily wallaby (from a safe distance) - it's what they do!

 

[metalmad]

Dang it
u gotta be carefull with the Wallaby's, their a dangerous lot!

 

[steamer]

For that you would need to observe the wily wallaby (from a safe distance) - it's what they do!

This wouldn't be an alchohol related activity would it? ;D

Dave

 

[tel]

This wouldn't be an alchohol related activity would it? ;D

Dave

Only if you follow the Rah Rah's! Rof}

 

[metalmad]

Hit a bit of a snag today
I drilled the venturi hole in stages and used a 1/2 centre drill to get a 60 degree mouth for the venturi.
I had hoped that by using a smaller drill size first the 1/4 drill would not course burrs when it went from one metal to the other.
unfortunatly the throttle is now stuck fast and even if I drill the back and press it out it will damage the body!

 

[steamer]

Hey Pete,

Can you set it back up in a 4 jaw and take a light cut with a boring bar? that may clear the burr out.
Generally, a drill doesn't make round holes,,,ironically enough. If it needs to be round, use a boring bar.

Hey Pete and Tel...
Oh Man...it's clear I'll need a decoder ring complete with a bottle opener attachment if I come visit! ;D

Dave