The Shop > Tools
Harrison L5 rescue
stig:
Mick,
I dont think i personally would be able to resist mirror polishing the Harrison detail on that door knowing its alloy :drool: :D
You're either not into the "black snot" or you're showing some serious restraint :poke:
Manxmodder:
Hi Stig, If Mick's ally castings are anything like the ones on my Harrison L6 then the quality of the ally isn't very good and contains a lot of impurities and the castings bear the characteristics of having been cast with ally that wasn't adequately fluxed before pouring.
Having tried to polish up a couple of bits of mine I found the standard of polished finish achievable was quite dull and not very satisfactory.
Further to this I also found any areas left unpainted started to develop white salty surface corrosion deposits and even on areas that were thoroughly prepared, primed and painted corrosion in the ally is starting to lift the paint.
Mick's castings may be better quality than mine,but I generally find I have to redo my ally lathe castings about every 4 years to stop them looking tatty....OZ.
micktoon:
Hi Bill, Russell, Stig and Oz thanks for the comments, I think I might have been lucky with the castings as they needed a bit filing and a sanding with a block to remove slight dips and rough areas but are ok after that.
I ended up re sanding the badges and just re spraying red , then sanding back to alloy leaving a sort of fine brushed finish on the alloy and not laquering them this time, the headstock badge is attached with correct twist screw type rivets kindly donated by Bob KRV3000. The cabinet door was given the same treatment and looks ok , I was going to mask off a square around the Harrison letters and spray red then sand back to alloy again but I think the red might wrinkle the grey and the paint is not hard enough to mask onto yet anyway.
The other jobs I have got done dont look much but all been fiddly as the paint is not really hard for manhandling yet, I have fitted motor and brackets , the gear selectors and started with the wiring grommets etc. I have attached the inverter and also a double socket to the rear of the electrics panel, I have decided not to fit the old bulky work lamp and instead fit two Ikea flexi stalk type LED lights as Doubleboost uses, these need one socket each hence double socket, I think two should cancell out the situation of the shadow cast by one being right where you want to see. The red 3 phase type plug is so I can unplug the motor to run/ test other motors using the lath inverter and controls.
Cheers Mick.
Manxmodder:
OOH baby you know what I like. :drool: :drool: :drool:
That is looking absolutely superb there Mick.
My L6 was hand painted with Tekaloid coach enamel in Landrover Marine Blue.
It's a few years ago now but has lasted real good on the cast iron work but I do have grief with keeping the ally parts smart due to oxides and impurities in the castings.
Next time I have to attend to the ally bits I will media blast them and then steep them in hot distilled water to leech out some of the oxides,then etch prime and undercoat.
What type of paint did you use for this restoration job? .....OZ.
theyoungengineer:
looking good mick, not too much to do now :drool:
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