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Got the oil tank back from the engine shop. They put it (and a load of other stuff) in their tank. It is now free of oil. Still needs a little 're rusting. This is what needs welding Seems pretty safe to me now, but then I didn't realise it was dangerous in the first place! On a very similar note, I might need to weld the fuel tank. It hasn't had fuel in for 40 years. It has also gone through the engine shops tanks (don't know what's in the tanks but it removes anything organic, so paint, oil etc but not rust). Any further thoughts?
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Agree, pink over black just edges it for me.
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Sept 30, 2020 18:27:57 GMT
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Been taking the engine apart and getting stuff sorted. All the painted steel work is at my local engine shop for paint/rust removal. Barrel got away with just a hone. Head needs an inlet valve and a pair of guides so they have been ordered. It was time to take the oil pump out. They are a tight fit in the case. If you don't heat the case before taking them out it scores the case and then the engine is scrap. Cleaned the oil off in the kitchen sink and out it in the oven. Took 1 hour at 250 centigrade for the pump to come out!
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Sept 29, 2020 14:08:52 GMT
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When I was little I used to put old engine oil into a litre paint tin with a hole in the lid. Sitting it in the bonfire you could hear the oil boiling then you would get a decent jet of flame it of the hole. Occasionally it would go with a whump... Sounds like fun!
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Sept 27, 2020 8:32:10 GMT
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Bikes are very fussy about exhausts. Small exhaust changes tend to mean dyno set up and 're jetting.
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Sept 25, 2020 15:09:27 GMT
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Good job you asked we don’t always know how dangerous some things can be. A new tank can always be made what about gluing the bracket on? It's a pressed steel tank. Making one would be very expensive, if I could even find someone to do it! The bracket is still on the tank, it's just cracked. I guess it's not vital that it's fixed, it will still mount up ok. The tank is going to my local engine reconditioners to be cleaned, stripped and de rusted. I'll then see what my coded welder friend makes of the situation, he may be happy to seal the tank and tack the bracket. If not, I'll leave it cracked.
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Sept 25, 2020 9:44:57 GMT
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I didn't buy it in the end anyway, but the Info is still good to have Thanks.
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Sept 25, 2020 6:58:43 GMT
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Glad I asked now, didn't really think this would have the same dangers as fuel tanks!
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Sept 25, 2020 6:57:47 GMT
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Ah.
And what if you have no choice as you need the oil tank and a new one isn't available?
On the plus side, what I need to weld is a bracket which is on the oil tank, rather than the tank itself. The bracket is maybe 2" away from the opening though. It's a small oil tank, holds maybe 2 litres of engine oil.
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Sept 24, 2020 14:59:33 GMT
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Probably a daft question, but any risks, like fuel tanks? It's got a load of thick black gloopy oil in the bottom of it. Not really sure if I should clean it first or after, but can't think how to clean it apart from washing it out with petrol!
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Last Edit: Oct 5, 2020 16:58:06 GMT by VW
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Sept 23, 2020 18:24:11 GMT
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One of those fancy wrought pistons is it? It is now!
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Sept 21, 2020 6:55:56 GMT
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Can't help with the taking apart bit, but it might have some sort of grit in there. I remember reading an article in Practical Performance Car where Will Holman said he'd managed to salvage numerous ratchets by heating up grease in a saucepan on the gas stove and immersing the ratchet in it, with excellent result as the grease was able to seep in everywhere. He did of course mention that it absolutely stank and I'd reckon it's likely to be grounds for divorce. That said, you might be able to do something outside with a camping stove or Bbq I guess. Just like doing motorcycle chains 😂
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Sept 21, 2020 6:54:34 GMT
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Love your bantams! I joined the racing bantam Facebook group years ago as I fancied building a road going race spec bantam in a hard tail frame.
Then bantam prices started going up and I never got started. Bought a kh125 instead and modified that but haven't finished it yet.
Will take even longer to finish now I've bought the velocette!
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Sept 20, 2020 18:20:56 GMT
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Nice afternoon for some cleaning
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Sept 18, 2020 10:59:08 GMT
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Taken by a friend .... Looks like Chapmans Well near Launceston Maybe, no idea where they were taken apart from in the West country.
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Sept 17, 2020 15:26:33 GMT
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Hmmm
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Sept 16, 2020 15:44:09 GMT
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I've read somewhere about folk doing twin spark conversions. It may have been the same people, or maybe someone else, but there are also long throw cranks, new cases, all kinds of stuff. They are very well catered for! Funny you say about scramblers, my mss seems to have been built around a scrambler frame. It's all original though so no idea what happened there. I’ll show them your photos when I see them next. Yes, do. I have been discussing the bike on the Facebook group. It has no sidestand lug and no sidecar lugs. It also has a solid trunnion shaft and pinned torque tubes. The pins are taper fit and the torque tubes have weld bosses where the pins go. It also has a brace gusset behind the head tube casting. It may all be fit, but it's all done well. The fuel tank has fixing bungs for a tank rack too, which no one has ever seen on a velocette. If they have a stock of parts, I'll be needing some! 😂 You can buy pretty much everything new, but I'd much rather have old genuine bits, even if they need restoring!
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Sept 16, 2020 15:01:20 GMT
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A mate of mine has several Velocettes from stunning standard condition, through well used, to full scrambler spec - and his brother is one of the model registrars. They do lots of classic events (regularly winning) but most importantly have a workshop with a lathe etc I popped in last week on my way to the workshop and they were designing a twin spark head on a bored out engine using Triumph pistons. I've read somewhere about folk doing twin spark conversions. It may have been the same people, or maybe someone else, but there are also long throw cranks, new cases, all kinds of stuff. They are very well catered for! Funny you say about scramblers, my mss seems to have been built around a scrambler frame. It's all original though so no idea what happened there.
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Sept 16, 2020 13:53:56 GMT
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sweet. I had an LE for a bit It was pre internet so it was a real nightmare trying to get parts via the owners club....had to write letters to some old dude !!!!!! Yeah, it's all a fair bit easier these days!
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Sept 16, 2020 11:02:00 GMT
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so what actually is (or what is the assumed obsolescence) between dab aerial and the old one? I have no idea!
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