2redrovers

My cars and whatever's in the shop now etc.

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I got this far before I cracked it... it stopped sucking consistently and didn't matter what I did. Fix it tomorrow.
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Just ticked me off because I only had a little more to go

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I found the nozzle blocks up and needs cleaning as a result of moisture from the tank.

 

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I found the nozzle blocks up and needs cleaning as a result of moisture from the tank.
 

Yeah used to get that from the old small compressor but not what's happening this time. Was more a case of the suction not being in the right place in the pot for consistent flow. I kept moving things and changing things and then I just gave up for the night.

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Was thinking about it while I washed the dust off me, didn't mean to sound like you were wrong there because you're not. Moisture in the air supply will clog things up real quick. My old comp used to practically boil the kettle if you went too long.

Was more my fault though. The way I was picking up the grit was from too high up in the pot. This meant I was recycling a lot of fine dust which is as bad as water in the air. I was just fighting a losing battle and too tired to realise what I was doin.

I've got a couple of options that will fix it but I didn't have them on hand as I needed stuff from home to make it work.

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Had a couple of slow days and errands to run during the week but stuff did happen. More of the same and some I didn't take photos of...don't think I took a single shot on Friday ..

First door basically done bar some straightening and tidy up.
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I got that far and realised it had actually gone fairly pear shaped. The last section I put in was supposed to be almost a straight line along the bottom of the door but for whatever reason it had sunk about 10mm in the middle. It was curved in instead of straight. So out with the grinder and chop chop
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Its now where it should be and when I clean the welds back, it'll also be as rounded as it should be too.

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Learning from my mistakes, I set about forming a whole section for the other door. Made a template
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That top radiused bends were nearly the end of me. The bottom folds worked fine but getting the round fold on the top return proved very difficult with my small folder. Just couldn't get it right. So I made this
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I'm just thankful there's only two doors on this thing.

Outback Jack and bear351c like this

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Marvellous metal magic, Merlin.  
Gunna start a side business, building Volkswagons..??  :huh:

When I get rich enough to afford to buy or build the machines I want, I will be getting into making panels properly. I should be able to make that happen as a main line and do one resto at a time along side it. Eventually ...

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Looks better now..
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Got a new blasting gun the other day after all the trouble I was having with the feed.
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Cheap setup if you're looking for one, fifty something from bunnings. Comes with four ceramic nozzles but swap the one that's on the gun to start with as it's soaked in oil and clogs instantly. It uses very little air to work and would suit a lot of home compressors. I'd like it to push a bit more air volume but it works and helped me figure out what was wrong with the other set up.

Turns out all I needed was a breather hole in the pickup pipe for the other gun. I tried it and it works almost perfectly now. Last problem is keeping the tube in range of the grit for suction. It will happily use all the grit it can reach but doesn't self bury into the media for more, so runs dry. Think that's the washers fault. Easy fixed I think. Don't really need to worry but the two guns compliment each other as the old one is a faster air flow so its good for stripping paint on bigger areas. New one is good for rust.

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It's a tight squeeze in the box now with big things like that door, but I can still move it around to get different areas. If I need to I can easily pull the bench out and have full height again for things like bonnets.

 

I'll try another pick up pipe without the washer on the end as I think that's acting like a snow shoe and sitting on top of the grit.

 

The other way to go with it now would be to attach it to the bottom of the bucket I made from the heater. With a fixed pickup, the breather hole and self filling bucket it should be non stop for as long as I can hold the trigger (which is another issue) .

 

I think the air jet in the new gun is just a tad small and restricted. Might be able to swap it out for a bigger one.

bear351c and deankdx like this

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Well I was right about the washer. I made another pipe from some old curtain rod and it worked perfectly with the breather hole up near the top and a wider hole drilled in the side at the bottom. Figured it would stop it from sucking the bottom of the bucket like a vacuum. Worked so well I wore out the tip
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I changed back to the new gun but it was just painfully slow. I ended up tearing it apart and drilling the hole in the air jet to about 2mm. Could go to 3mm but it worked better. After a while my hand was cramping from the trigger so made another modification ..
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The air jet had the same size thread in it as the blower and its what holds the syphon head on the gun. Easy swap and bonus air flow now it works about as fast as the other gun and easier to hold the trigger on.

So lots of blasting and some acid and sanding later.....
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Even a table full of red xb parts

Slow250XC likes this

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Beefed up the jig and modifieda little to get the dimension right.
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Made a die form to hammer over the shape, matched to the door shape as close as possible by hand.
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MUCH happier with this side and with the shape after the retouching today. The profile came out near spot on even after welding. Well worth the time it took to make after all the headache.

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Looks pretty awesome! :)
In theory, could that die, be used in a power hammer setup, to speed things up?

Or would you need to use hardened/tool steel?

 

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