Project Spike (1994 Cooper Spi)
#106
Posted 26 November 2012 - 09:48 PM
Darren
#107
Posted 30 November 2012 - 10:44 PM
Maybe I should fabricated my own out of sheet steel like Rich2.
How difficult can it be to fold up and spot weld a box in a factory without one end flapping about when you prod it? The contours of the top flanges front and back were well out but a few cuts and folds brought the profiles close to the floor. Only a few more plug welds to do and it's in for good. The fabrication work on your blog looks fine so you shouldn't have too much trouble yourself.
Adam
#108
Posted 06 December 2012 - 03:33 PM
#109
Posted 16 December 2012 - 11:55 AM
No.1 son and I just passed our ARDS tests at Silverstone. So, do I restore Spike back to OE spec as originally intended or do I turn him into a Mighty Mini or similar circuit car? Nearly everything on him has to be renewed or refurbished anyway.............
Adam
#110
Posted 24 December 2012 - 08:52 PM
#111
Posted 28 December 2012 - 11:24 AM
Turning Spike into a Mighty Mini doesn't look too difficult and he's the right spec since only spi's are allowed. If it doesn't work out there aren't too many mods to undo.
I've still got lots of bodywork to sort out before I can think of roll cages and drivetrains etc. hopefully we might have Spike on the road for shake down before the end of 2013. Haha.
Edited by BusheyTrader, 24 January 2013 - 10:07 PM.
#112
Posted 25 January 2013 - 12:22 PM
#113
Posted 03 March 2013 - 02:42 PM
After watching some rounds of Mighty Minis on youtube etc it seems pointless replacing the bootlid and doors if they're only slightly flaky as they're likely to get some contact. Still got plenty of rust to cut out and replace down the passenger side though.
Adam
#114
Posted 13 April 2013 - 07:18 AM

It may not look pretty but it's solid in there. Weld thru primer used before plug welding. The better my welding gets, the less grinding to do. I never leave bare metal after welding so often I use whatever paint's spare in a can to keep the surface rust away.
Adam
Edited by BusheyTrader, 13 April 2013 - 07:24 AM.
#115
Posted 13 April 2013 - 07:38 AM

The rear wheel arch closing panel is the only part that's rusted away here
Adam
#116
Posted 13 April 2013 - 08:52 AM
#117
Posted 13 April 2013 - 02:57 PM
There's the odd bit of light surface rust on some of the flanges but these will be thoroughly cleaned up and coated with weld thru primer anyway.
Result. That gives me incentive to work my way down to the front. Just need to find some heritage front wings now.
#119
Posted 04 May 2013 - 10:01 PM
The key hole surgery to remove the rear wheel arch closing panel is done. I used spot weld drills, powerfile, extra sharp cold chisel, angle grinder flap wheels, cutting discs and grinding discs to remove it but keep all the adjoining panels intact. I welded in a strip at the bottom of the wheelarch after cutting out some rot.
I thought the heritage closing panel was duff initially but by clamping it in place on one part, then another and another the bends and angles gradually fell into place. However I needed some long reach clamps to reach down into the companion bin, so I bought these.

The companion bins can be removed under the Mighty Mini regs but doing so takes out the seat belt mounts. I'd like to be able to refit the seat belts if I want to run it street legal.
Hopefully I'll have this welded in this weekend.

in this space from above

and from underneath

Adam
Edited by BusheyTrader, 05 May 2013 - 11:13 PM.
#120
Posted 12 May 2013 - 09:48 AM
and the closing panel is now welded in to place. Weld thru primer applied on both face where an plug welding takes place.
I've had to weld from above, on a vertical plane and from underneath on various thicknesses of metal. The weld pool behaves differently according to gravity as does the power needed for penetration.
From underneath. The plug welds to the rear qtr panel about to be ground flush. The factory welded along the open seams to the heel panel and the companion bin so I'll be doing the same.

Adam
Edited by BusheyTrader, 12 May 2013 - 09:50 AM.
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