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Horn casting

Technical help for Series one, two and three Lambrettas. Models include the Li, Li Special, TV, SX, GP, Serveta and API/SIL models

Horn casting

Postby gizmo » Thu Mar 15, 2018 9:58 pm

I've dug out an old horn casting which was in excellent condition apart from its twisted over the years. Could I get it straightened or is it past it. Ta
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Re: Horn casting

Postby ToBoldlyGo » Fri Mar 16, 2018 12:50 pm

I think it's possible if you are very careful. But cast alloy isn't the best material for bending and it's likely it will snap.
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Re: Horn casting

Postby Toddy » Fri Mar 16, 2018 7:36 pm

Is it badly out of shape ? Any pictures ?
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Re: Horn casting

Postby gizmo » Fri Mar 16, 2018 8:44 pm

Toddy wrote:Is it badly out of shape ? Any pictures ?

Struggle writing a post never mind adding a picture :lol: if you press it flat down at grill end one corner at headset end is about 10mm in air and visa versa. I held it against legshields today and it would push back so I'm going to try bolting it properly and see if it will pull in. Have an Indian one but the casting is pretty poor as they are now but I could probably clean it up if all fails
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Re: Horn casting

Postby Toddy » Fri Mar 16, 2018 9:50 pm

gizmo wrote:
Toddy wrote:Is it badly out of shape ? Any pictures ?

Struggle writing a post never mind adding a picture :lol: if you press it flat down at grill end one corner at headset end is about 10mm in air and visa versa. I held it against legshields today and it would push back so I'm going to try bolting it properly and see if it will pull in. Have an Indian one but the casting is pretty poor as they are now but I could probably clean it up if all fails


Yeah that’s what I was going to say offer it up see how far out and fit it screwing it in slowly it may help
To fe shape it , good luck
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Re: Horn casting

Postby rossclark » Fri Mar 16, 2018 11:37 pm

Warming it up a bit while doing that wouldn't hurt either.
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Re: Horn casting

Postby Fast n Furious » Sat Mar 17, 2018 3:01 am

Suggest warming it up with a fan heater as hot as it will go without damaging the paint and screwing it into place. You'll need gloves. Good luck. ;)
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