James Edmondson Posted July 2, 2003 Posted July 2, 2003 Hi Everyone, I've just this minute got home from picking up my SDV kit from Kingswinford! Spent an hour just oggling my new baby in the garage! I've got a small feeling my first mistake was not getting the chassis powder coated by Westfield. So as I've got to paint the chassis has anyone got any tips on the best way to do this?? From a bit of research on the web it sounds like a couple of coats of Hammerite isn't suitable. For starters, an etching primer seems more the order of the day... Thanks so much for your help. James Quote
sedsy Posted July 2, 2003 Posted July 2, 2003 Rember to degrease the metalwork about a million times before doing any painting!! i would also consider removing some of the raised welds that may foul parts of the bodywork ! i was annoyed i had to do this as it removed the powder coating that i had payed for. You could also get it powder coated elsewhere i guess as it is well worth it in the long run, my dad painted his 89 chassis and it came off far too easily even though he had prepared it well. Also do a search b4 anyone else tells you to !! Quote
Westfieldman Posted July 2, 2003 Posted July 2, 2003 It needs grit/shot blasting then painting in a GOOD primer I had mine painted with paint thats used on oil rigs then sprayed it black myself it takes hours. If you don't blast it the black milscale thats on the steel flakes off as soon as you flex the steel so what ever paint/powder coating you use will just fall off [as Caterham owners] Ask Andy at Triple S powder coatings for a price if you are up North Paul. Quote
stu999 Posted July 2, 2003 Posted July 2, 2003 You will also find painting sooooo much easier when you are a club member.... Quote
Westfieldman Posted July 3, 2003 Posted July 3, 2003 get it blasted then galvanised then coated NO DON'T DO THAT. Paul. Quote
Blatman Posted July 3, 2003 Posted July 3, 2003 Galvanising is a hot dip process. Any moisture/air inside the sealed chassis will epxand, and the welds/chassis rails will burst........or something like that........ I asked a similar question a while back......... And the on topic answer..........get the boys at CAT to powder coat it. There is NO substitute, IME........ Quote
Westfieldman Posted July 3, 2003 Posted July 3, 2003 Thanks Blatters saved me typing the full answer out. Paul. Quote
hilux Posted July 3, 2003 Posted July 3, 2003 Galvanising is a hot dip process. Any poisture/air inside the sealed chassis will epxand, and the welds/chassis rails will burst Yup.......... Finnegans No 1 primer on well abraded/sanded steel/degreaser and `Smoothrite or ` Hammerite` paint Had a National concours winning classic Rover for 10 years and never needed repainting. Flexes and is chip resistant. Any probs simply recoat. IMO powder coat is inferior as it is thin and prone to chipping/trapping water underneath. Quote
Nick M Posted July 3, 2003 Posted July 3, 2003 IMO powder coat is inferior as it is thin and prone to chipping/trapping water underneath I think, to be fair, it depends who does it and how careful they are applying the coating. Industrial powder coaters can often just apply it thin and not very well but the local place that did my wheels, roll bar and suspension parts also powder coated motorbike frames and did a great job. It's proven tough and chip resistant and I had a wide choice of colours and finishes (not just satin black). Powder coat also sticks to aluminium without having to use nasty primers, etc. so doing things like the interior panels on the chassis tub is entirely possible with powder coating whereas paint can be a pain in the backside. Quote
S8ight Posted July 3, 2003 Posted July 3, 2003 have seen galvanising sprayed. wire feed the same as a mig, only a hell of a lot faster, as the wire leaves the tip it passes over an oxy flame. melts the wire instantly and in effect is 'sprayed' onto the surface to be treated. Quote
Westfieldman Posted July 3, 2003 Posted July 3, 2003 have seen galvanising sprayed. wire feed the same as a mig, only a hell of a lot faster, as the wire leaves the tip it passes over an oxy flame. melts the wire instantly and in effect is 'sprayed' onto the surface to be treated. What colour is the finish if its sort of gold it's not galv But this still b*******s up the steel as warming up CDS tube when not nessacery is not good. Paul. Quote
S8ight Posted July 4, 2003 Posted July 4, 2003 the same as dipped galv. doesnt really get the tubing that hot. maybee not as hot as when something gets baked after powder/plastic coating. Quote
Mike H Posted July 4, 2003 Posted July 4, 2003 Eh? But powder coating involves shoving it in an oven for a couple of hours so what's the difference? Mike Edit - oops, S8ight beat me to it. Quote
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