The Craftmans Shop > New from Old
The Sequel - Oh Blimey I bought a CNC Lathe (Beaver TC 20)
awemawson:
So last night the cover got a bit more tidying up and rubbing down, then this morning a rattle can coat of zinc rich primer on both sides while poor old Hugo the Vizsla succumbed to the sedatives he had to have prior to a vet visit (swollen toe not responding to treatment).
Once Hugo was Zonked he was taken to the vets, given another jab that totally knocked him out, and left for examination while I had my hair cut. Nothing showing on x-ray or probing so stronger antibiotics for three weeks and rather a lot of spoiling.
This left me free to spray the first 'top coat' of RAL9001 on the cover which is now drying. Went superbly until a fly decided to fall on it, upside down with wings spread ! Carefully removed with pointed nose pliers, I hope the paint self smooths as it dries, otherwise there will be an impression of a spread eagled fly for posterity!
awemawson:
Having the newly re-commissioned kiln to hand I decided to accelerate the drying of the first coat by cooking it for an hour at 90 deg C. To avoid radiant heat damage direct from the element I used the 'simmerstat' control on the kiln to set a very low rate of heating - this switches the elements on and off with a period of a second or so, and hopefully avoids them actually glowing at this low setting. Can't be sure as the door is interlocked with the power.
I got a very slight bleed from the metal loaded filler I'd used to fair the cover in places, so having sprayed the top coat while it was slightly warm, I left it over night to dry. Thankfully the dead fly damage barely shows.
This morning I put it back in the kiln at the slightly reduced set point of 70 deg C and will leave it for several hours. Hopefully this will get the enamel as hard as the rest of the turret cover that I left for two months before re-fitting.
hermetic:
Fly damaged paintwork is one of those things that is really annoying at the time, but a few days later, you have forgotten it ever was a problem! look at it from the flys point of view.................Seriously, I find I have to curb my desire for perfection because it can drive you (me!) to many hours of work that is completely unrecognised by anyone, including yourself, even a few hours later. More to the point, what is this metal loaded filler you mention, I have a little job that might benefit from some of that.This is still one of the most entertaining and intelligent threads on the forum, and I must admit a modicum of addiction which I am trying to curb by not making Mad Modder the first forum I check every night after work. I am having some succes with this.Good luck with it Andrew, and keep it coming!
Phil
awemawson:
Phil, Thanks for the kind words. The filler is Isopon 'METALIK' , but be aware - my tin is running out, so twice I've tried to buy a replacement on eBay (from two different sellers) and each time I was sent another Isopon product intended for repairing cosmetic damage to aluminium rims 'Isopon Alloy Wheel Filler', and when I contacted them they both said that their bulk box was wrongly labelled (and keep the tin). It may be as good for all I know but it's not the same !
So after a few hours cooking I let the new cover cool to handleable temperature and re-fitted it, so that's a rattle can of zinc rich and two sprayed coats of coach enamel in 24 hours and as I baked it it was easily hard enough not to mark as re-fitted.
Glad to be able to report that the drive shaft no longer rubs on the cover - but then it shouldn't as the new one has an extra 10 mm clearance :thumbup:
Certainly a technique to consider in the future as usually it takes weeks for coach enamel to fully harden.
tom osselton:
Looks dam good!
I was watching Forged in fire last night and one guy had hammer marks that were too deep on his blade and used powdered metal mixed with epoxy that worked good even in the bone chopping test!
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