Author Topic: Operation BOBZILLA!  (Read 18571 times)

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Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #25 on: February 14, 2010, 11:55:19 PM »
I talked to kate at Cycle One and my hardtail should be shipped by the 22nd. So I got to work on other parts till the rest of the frame gets here.

Both tubes are drilled for the headlight brackets.



the tag and taillight mount is almost done.



and a lil more cuttin and grindin the battery box will be done.



 
« Last Edit: September 13, 2010, 03:49:58 PM by rustrocket92 »
1973 cb750k
1976 cb750k
1978 cb750f
1978 cb750k

Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #26 on: February 15, 2010, 07:15:49 PM »
  The front and rear of the battery box are pretty much done. I need to work on the hold down strap that goes across the top of the battery and the bottom.

    
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Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #27 on: February 18, 2010, 09:35:06 AM »
 Well I got some parts in the mail yesterday and worked a lil bit more on the battery box. Please guys don't make fun of my mock up battery.



Hopefully I will get the engine removed saturday, get the frame cut, and then it is off to the swap meet on sunday.   
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Offline Ogri

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Re: Operation BOBZILLA!
« Reply #28 on: February 19, 2010, 03:35:17 PM »
Well I got some parts in the mail yesterday and worked a lil bit more on the battery box. Please guys don't make fun of my mock up battery.
  

Is that a 'Yew-asa' battery ?  ::)

Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #29 on: February 19, 2010, 05:16:02 PM »
I don't know what to call it but it gets the job done.
1973 cb750k
1976 cb750k
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Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #30 on: February 22, 2010, 11:15:45 AM »
I just got an email from kate at Cycle one and my hardtail is ready to ship. I made a couple more pieces this weekend and picked up a 16" x 3" wheel ( brand new ) at the swap meet for 40 bucks and got the engine out of the frame.









   
1973 cb750k
1976 cb750k
1978 cb750f
1978 cb750k

Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #31 on: February 22, 2010, 03:17:33 PM »
Does anyone know the spacing of the fork tubes on center ?
1973 cb750k
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Offline Alan F.

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Re: Operation BOBZILLA!
« Reply #32 on: February 22, 2010, 04:01:09 PM »
I think it's 9" even.  I was gonna mention to you sometime that the old air-cooled ATC 250 had 35mm forks and the spacing was 11"... could make a pretty wide front end using your stock forks and brakes...if you don't mind making spacers and a new axle. Food for thought.
-Alan

Offline Flying J

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Re: 73k Chopper/Bobber project (OPERATION ???)
« Reply #33 on: February 22, 2010, 04:11:19 PM »



Nice bike! post it in the 750F thread
http://forums.sohc4.net/index.php?topic=55178.0

EDIT: unless its just a poser F bike. Still a good looking one
« Last Edit: February 22, 2010, 04:12:57 PM by ffjmoore »

Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #34 on: February 22, 2010, 04:33:02 PM »
Thanks Alan F. I will keep that in mind. Sorry ffjmoore It is a 1976 K with a 78 F tank on it.
1973 cb750k
1976 cb750k
1978 cb750f
1978 cb750k

Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #35 on: February 25, 2010, 10:00:12 AM »
Well I got a lil more done last night. I got the it disassebled down to the bare frame and up on the bench.



I got all my cuts marked.



And then we started choppin!





And now we got just a pile of parts and pieces.



So then we started working on making some kind of fork brace since I will not be running a front fender.







Now we are waitin on the fedex guy who should be here today.   
1973 cb750k
1976 cb750k
1978 cb750f
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Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #36 on: February 26, 2010, 07:03:30 PM »
LET THE FUN BEGIN!!!!!



   
1973 cb750k
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Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #37 on: February 28, 2010, 11:52:06 PM »




1973 cb750k
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Offline Retro Rocket

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Re: Operation BOBZILLA!
« Reply #38 on: March 01, 2010, 12:13:18 AM »
Looking good mate, i like the look of the Honda tank on that bike, just needs a slightly higher rear tank mount and a good sprung seat.... ;D

Mick
750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #39 on: March 04, 2010, 10:07:58 AM »
My buddy Tim let me borrow a sporty tank to see what it looks like. I like the honda tank but it is way to flat across the back. The sporty tank looks to small but I have a king sportster tank on the way to see how it looks.





   
1973 cb750k
1976 cb750k
1978 cb750f
1978 cb750k

Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #40 on: March 08, 2010, 11:40:26 AM »
got a lil more done this weekend and I didn't even freeze my butt off.







I started on the seat pan.










   
1973 cb750k
1976 cb750k
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Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #41 on: March 08, 2010, 11:41:21 AM »








   
1973 cb750k
1976 cb750k
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Offline VonYinzer

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Re: Operation BOBZILLA!
« Reply #42 on: March 08, 2010, 12:21:07 PM »
The build looks great! Your going to want to roll that seat-pan though. Curve up the back so theres something to slow your rearward progress when you hit the gas. If its flat, and you have forward controls (which it looks like your planning on from the 1 pic) theres nothing keepin' your ass in place.
THIS BIKE KILLS FASCISTS!!!!

Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #43 on: March 08, 2010, 01:32:23 PM »
Thanks Von Yinzer! I am going to bend the rear of the pan up like you said. I was going to do it last night night but my torch set was empty. So maybe tommorrow or wednesday we will get them filled and bend the pan.
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Offline greasy j

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Re: Operation BOBZILLA!
« Reply #44 on: March 08, 2010, 10:41:02 PM »
nice work so far!

I like the Honda tank better than the sporty. just my opinion.

Offline Retro Rocket

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Re: Operation BOBZILLA!
« Reply #45 on: March 08, 2010, 11:33:17 PM »
I really like the look of this one i found last night.





Mick
750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline 75cb550 (kyle)

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Re: Operation BOBZILLA!
« Reply #46 on: March 09, 2010, 09:26:09 AM »
what kind is that last tank? i like that...

Offline Retro Rocket

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Re: Operation BOBZILLA!
« Reply #47 on: March 09, 2010, 02:56:53 PM »
750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #48 on: March 11, 2010, 04:54:46 PM »
I think I am up to about 459 holes so far. Well I got my seat pan bent the other night.





I think it will do the trick but I dont know how I am going to mount it at the front. Right now there just a ubolt with a tube welded to it clamped to the frame. i have a round style seat bracket and I have been thinking about drlling a hole thru the back bone inserting a sleeve and welding it in. This will keep the front of the seat lower.



I went back and redriled the headlight mount brackets that go over the fork tubes. Before it was drilled with all the same size holes. Now it alternates with a row of small holes and a row of big holes.




  
1973 cb750k
1976 cb750k
1978 cb750f
1978 cb750k

Offline rustrocket92

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Re: Operation BOBZILLA!
« Reply #49 on: March 22, 2010, 04:24:53 PM »
Well I got a lil more work done . I worked alot my seat and oil tank mount but I am still thinking about the electronics box.







Then I made some frame tabs to mount it up with.













With the oil tank hanging below it we are going to have chain clearance problems





So its back to the drawing board.
   
1973 cb750k
1976 cb750k
1978 cb750f
1978 cb750k