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Alloy tank #698918
06/18/17 2:56 pm
06/18/17 2:56 pm
Joined: Jul 2012
Posts: 1,561
UK Berks
A
AngloBike Offline OP
BritBike Forum member
AngloBike  Offline OP
BritBike Forum member
A
Joined: Jul 2012
Posts: 1,561
UK Berks
I may try to make an alloy tank that will sit under a fibreglass cover

I wondered if it was possible to create a wooden buck out of slices of ply, and laminate them together, creating a solid wooden buck
I would then hammer the life out of a sheet of alli to form the outside and get a welder to fit the resulting parts together

I have also seen the videos where a skeletal buck is made with ribs and the parts worked on a sandbag and trial fitted

Am I daft in thinking that hammering a sheet over a solid form is workable?

Ta

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Re: Alloy tank [Re: AngloBike] #698986
06/19/17 3:02 am
06/19/17 3:02 am
Joined: Mar 2014
Posts: 576
Denver CO
J
Jerry Roy Offline
BritBike Forum member
Jerry Roy  Offline
BritBike Forum member
J
Joined: Mar 2014
Posts: 576
Denver CO
Go here, join, and peruse the archives

http://www.allmetalshaping.com/usercp.php

Another time sink. bigt

CZ

Re: Alloy tank [Re: AngloBike] #699158
06/20/17 5:42 pm
06/20/17 5:42 pm
Joined: Jan 2004
Posts: 3,646
ca, us
D
DMadigan Offline
BritBike Forum member
DMadigan  Offline
BritBike Forum member
D
Joined: Jan 2004
Posts: 3,646
ca, us
Hammering over a male form requires shrinking. A female form requires stretching which is easier. One technique is to use a Delrin plastic ball on an air hammer to push the sheet into the form. There are videos showing this.
If you are not concerned about volume you can make a crude tank from several single curved sheets since you are covering it with glass anyway.

Re: Alloy tank [Re: AngloBike] #699418
06/23/17 12:33 pm
06/23/17 12:33 pm
Joined: Jul 2012
Posts: 1,561
UK Berks
A
AngloBike Offline OP
BritBike Forum member
AngloBike  Offline OP
BritBike Forum member
A
Joined: Jul 2012
Posts: 1,561
UK Berks
thanks



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