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Author Topic: New Olds (boat tail speedster)  (Read 397466 times)
Manky Monkey
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« Reply #1065 on: August 04, 2016, 01:42:05 PM »

 Smiley
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Olds
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« Reply #1066 on: August 05, 2016, 08:11:39 PM »

Couldn't resist cutting up a mudguard. Grin
I know this is basic but some may never have done this.
Some folk use tape to mark cutting edges, but I've generally found the tape will just catch fire if cutting with an angle grinder, so I mark out with a thick permanent marker and cut up to the line not along it. Just seems easier to see what you are doing. As the mudguard has a lot of internal stresses due to the way it's made, I leave the ends and centre of the cuts till last. The two halves will twist slightly when fully cut, making putting back together straight a bit of a pain.
« Last Edit: August 05, 2016, 08:41:00 PM by Olds » Logged

Getting older but no wiser! Just using bigger hammers.
The answer to most problems, fire and lots of it.
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« Reply #1067 on: August 05, 2016, 08:22:51 PM »

I tacked the two sides together keeping a small gap (about the width of the mig wire) and now all it needs is some very tedious welding, welding the centre between each tack with very short runs (long tacks) till it's fully welded (except I plan on flaring the back end so I won't weld the last four inches or so).
« Last Edit: August 06, 2016, 05:43:51 AM by Olds » Logged

Getting older but no wiser! Just using bigger hammers.
The answer to most problems, fire and lots of it.
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« Reply #1068 on: August 08, 2016, 03:49:14 PM »

One mudguard roughly finished. Had to stretch it a bit as the internal radius was slightly too small for the tyre size. The tail end was flared by welding in three tapered 15-0 wide x 125 long sections then beating the hell out of it before a steel rod, safe edge was welded on.
Now to do the other one to match.
Instead of using filler (the welding / hammering isn't perfect) I'm going to have a go at lead loading them.
« Last Edit: August 08, 2016, 06:06:31 PM by Olds » Logged

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« Reply #1069 on: August 08, 2016, 07:07:36 PM »

Nice job sir
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the coppersmith
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« Reply #1070 on: August 08, 2016, 07:17:54 PM »

Lead loading? tallow cloth and lots of flux standing by !
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Olds
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« Reply #1071 on: August 09, 2016, 07:44:03 AM »

 Grin
Don't like using bondo on things like mudguards that tend to flex and vibrate.  I'm not after a show finish, but a bit better than I have at the moment. Not done a lot of this before, a couple of bike tanks and the rad surround for this car, so should be fun. Undecided
Re-read the regs and the safe edge at the back, needs to be a bigger radius. Poo !
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« Reply #1072 on: August 09, 2016, 12:27:29 PM »

Please take some pics or get someone to take some pics when you use the lead. Because that is one of the things I could be interested in learning how to do Smiley
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Olds
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« Reply #1073 on: August 09, 2016, 06:29:29 PM »

Easier said than done as the pic shows. I work alone and working with molten lead is a is a two handed job. Will put up progress pics but there must be tutorials on u tube that would show the process better than I can.
Started tinning the surface but ran out of gas about 3/4 of the way along.
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Getting older but no wiser! Just using bigger hammers.
The answer to most problems, fire and lots of it.
Olds
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« Reply #1074 on: August 09, 2016, 09:35:24 PM »

With more gas, managed to get the tinning almost finished. Pic also shows the new 5mm diameter safe edge welded in place.
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Mendalot
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« Reply #1075 on: August 10, 2016, 07:41:18 AM »

Lead being a rather heavy substance, will the amount of lead you will be putting on the mudguard add a significant amount of weight? 
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Olds
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« Reply #1076 on: August 10, 2016, 11:00:38 AM »

Shouldn't add much weight as surprisingly I didn't actually use that much lead and half of what went on, probably got filed off again. My stick of lead weighs 1.5 oz an inch and I used about two inches
Think I can say that I'm unlikely to totally master this, especially on tightly curved areas  Sad and a thick coat of primer filler may be needed. Cheesy
 
« Last Edit: August 10, 2016, 11:20:50 AM by Olds » Logged

Getting older but no wiser! Just using bigger hammers.
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« Reply #1077 on: August 10, 2016, 01:10:57 PM »

Have just watched a youtube video of a chap pushing Eastwood products,  showing how to leadload. He makes it look so easy, but I bet he's been doing it for 100 years Grin  Fascinating to watch, I love all things metalwork. 
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Olds
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« Reply #1078 on: August 10, 2016, 01:46:53 PM »

Have just watched a youtube video of a chap showing how to leadload. He makes it look so easy,
Don't they always !
Think it's something you have to do, in order to learn. But I wouldn't suggest trying it on something big or very shaped like a mudguard to start with.
 The mudguard ended up far from perfect but at least now it's not obvious that it has been cut and narrowed.
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Getting older but no wiser! Just using bigger hammers.
The answer to most problems, fire and lots of it.
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« Reply #1079 on: August 10, 2016, 09:21:35 PM »

If I understand it right, you flux it before you add a layer of tinning (pewter?) and then you use lead... But what kind of flux do you use?
Btw it looks great Smiley
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