I found that a stepped drill will cut neat holes in thin materials
including stainless sheet.
Nigel Charles
>>-----Original Message-----
>>From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-
>>server@matronics.com] On Behalf Of G-IANI
>>Sent: Tuesday, September 06, 2005 11:49
>>To: europa-list@matronics.com
>>Subject: RE: Europa-List: Through the firewall
>>
>>
>>Mike
>>>Still trying to find the best way to get the rubber fuel lines
through
>>the
>>stainless steel firewall.
>>
>>Going through the firewall itself is not a major problem. The two
>>solutions
>>I have seen are:-
>>
>>1) A/C Spruce "stainless steel Firewall shields" P/n 61-300 Page 269
of 2-
>>-3
>>Catalogue
>>
>>The second solution was used by a very skilled blacksmith who really
knows
>>the material. Drill the hole undersize then hammer a mandrel through
it
>>to
>>form the final hole. If you do this just right you get a nice
transition
>>curve and plenty of bearing surface. If you get it wrong the sheet
>>stainless will tear and you will have more sharp edges in which case
you
>>revert to solution 1). The holes were made just big enough to take
the
>>required pipe/cable covered by a short length a larger diameter rubber
>>tube.
>>Sorry but no pictures available.
>>
>>
>>Ian Rickard #505 G-IANI XS Trigear
>>Europa Club Mods Rep (Trigear)
>>e-mail mods@europaclub.org.uk
>> or direct g-iani@ntlworld.com
>>
>>
>>
>>
|