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> Vintage racer build
jhelgesen
post May 20 2010, 06:35 AM
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We started cage work for a vintage racer 914-6...

Customer brought in a decent stripped tub, fitted for a complete fiberglass fender setup.

(IMG:http://www.914world.com/bbs2/uploads_offsite/i184.photobucket.com-9299-1274358902.1.jpg)

(IMG:http://www.914world.com/bbs2/uploads_offsite/i184.photobucket.com-9299-1274358902.2.jpg)

We started in with the main hoop

(IMG:http://www.914world.com/bbs2/uploads_offsite/i184.photobucket.com-9299-1274358902.3.jpg)

We'll be tying in all the suspension points.

(IMG:http://www.914world.com/bbs2/uploads_offsite/i184.photobucket.com-9299-1274358902.4.jpg)

Trial fit the door bars last night.

(IMG:http://www.914world.com/bbs2/uploads_offsite/i184.photobucket.com-9299-1274358903.5.jpg)
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sean_v8_914
post Sep 21 2010, 09:58 AM
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does pre heating help?
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rick 918-S
post Sep 21 2010, 11:36 AM
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QUOTE(sean_v8_914 @ Sep 21 2010, 10:58 AM) *

does pre heating help?


Yes. No problemo. I'm note sure they still do this but NASCAR I think used to require the cages be placed in an oven after welding to be cycled up in heat and slow cooled to naturalize the cage. It doesn't take alot of heat I don't think. (can't remember all the little details it's been awhile..) But a rosebud with a low flame moving over and away from the joint several inches should accomplish a nice slow cooling cycle. IIRC it doesn't even have to be red or cherry, just heated and not overheated. There should be alot of info on the airframe builders forums. I always gas weld 4130. There is a specific filler rod for 4130. I have some in the garage. Can't remember the part number.

Sorry for the hi-jack (IMG:style_emoticons/default/wacko.gif) I tend to ramble. Hopefully some of this dribble will be useful.. (IMG:style_emoticons/default/smile.gif)
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Posts in this topic
jhelgesen   Vintage racer build   May 20 2010, 06:35 AM
JmuRiz   Looks good, but damn, you have my wall stripe idea...   May 20 2010, 09:07 AM
jhelgesen   Looks good, but damn, you have my wall stripe ide...   May 20 2010, 09:10 AM
Racer Chris   I hope you're not welding the roll cage togeth...   May 20 2010, 11:24 AM
jhelgesen   I hope you're not welding the roll cage toget...   May 20 2010, 11:34 AM
jimkelly   if you can - pls be descriptive on the install of ...   May 20 2010, 12:22 PM
quadracerx   I was wondering about those fenders and how they a...   May 20 2010, 02:09 PM
carr914   I hope you're not welding the roll cage toget...   May 21 2010, 04:16 AM
jhelgesen   I hope you're not welding the roll cage toge...   May 21 2010, 04:22 AM
quadracerx   Anyone have any suggestions on how to fasten these...   Sep 20 2010, 09:59 PM
carr914   The fact that it is a race car, I would think that...   Sep 21 2010, 04:37 AM
scotty b   The fact that it is a race car, I would think tha...   Sep 21 2010, 05:22 AM
jhelgesen   Quick release fasteners were not allowed by the sa...   Sep 21 2010, 05:46 AM
carr914   B)-->
QUOTE(scotty b @ S...   Sep 21 2010, 06:21 AM
arkitect   Keep the picts coming, want to see the process of ...   Sep 21 2010, 06:59 AM
sean_v8_914   OT: I was watching monster truck jam. Blue Thunder...   Sep 21 2010, 08:01 AM
rick 918-S   OT: I was watching monster truck jam. Blue Thunde...   Sep 21 2010, 08:21 AM
sean_v8_914   does pre heating help?   Sep 21 2010, 09:58 AM
rick 918-S   does pre heating help? Yes. No problemo. I...   Sep 21 2010, 11:36 AM
msglaigaie   I have the same fenders and I am very interested i...   Sep 21 2010, 11:46 AM
campbellcj   I'm surprised that the sanctioning organizatio...   Sep 21 2010, 11:32 PM
quadracerx   Any progress updates?   Nov 23 2010, 03:04 PM
Silverstreak   Great job on the Acura, but god I hate seeing 4 do...   Nov 23 2010, 06:45 PM
jhelgesen   I'll have to dig up the completed pictures, ca...   Nov 23 2010, 07:52 PM

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