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outofthefire
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You would heat ally to anneal it, and you can shrink metal by hammering it. You might get rid of some of it by warming it up and rapidly cooling it but i'd be inclined to just live with it though if your not good at working sheet metal
brightspark
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get someone to hold a decent block of wood against it on the outside . using a smaller block of wood and a hammer inside pannel beat it flat . if its filled and painted will be ok if it isnt it will be noticable 
rikrobson
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Don't forget that aluminium work hardens, so it will get more brittle the more you work it back. You will need to be careful as you could do more damage. How was the boat made, This could give an indication of what stresses are already in the metal.
Its a jon boat like this one http://2009.princecraft.com/Content/en-US/produit/562/PR-1648MT.aspx
Its bend in about 3 inches... heres a picture of where its bent
http://s156.photobucket.com/albums/t4/domains/?action=view¤t=boat.png
Its bend in about 3 inches... heres a picture of where its bent
http://s156.photobucket.com/albums/t4/domains/?action=view¤t=boat.png
The best thing you can do is speak to the manufacturer. It's always a million dollar question with aluminium alloys. knowing what series of alloy its made from is the key here. Not all alloys are heat treatable some series simple do not respond due the the chemical make up. Some series are very ductile in their natural T state (T Meaning the temper of the material, In turn this reflects the ductility of the material, the ductility meaning the materials properties to be bent.
I would think it unlikely boats are made from heat treatable series of alloys, mainly due to the sometimes complex procedures needed, which are very often not cost effective.( I could be wrong) I personally would think you will be safe with no heat treatment as i feel it it will be made of a very ductile alloy.
An experienced person will be able to tell you very quickly by simply trying to work the dent if the alloy is ductile enough to be worked. It's something that comes with experience alone. As mentioned alloys can work harden, which is a consideration, again only experience can tell you where that point is.
If you contact the manufacturer and they say it should be annealed (softened) I would be a little careful if it's not something you are familiar with. It is actually pretty easy to damage the material beyond repair if the temp gets to hot. It's not a hard process to do manually but you would be well advised to practice on some scrap to get the feel of what you are trying to do. I say this because this damage is a part of a larger structure which is different to making a small item in the workshop and getting the annealing wrong. You can remake that bit of sheet and re anneal it easily in a workshop, not so easy when its part of a boat.
My kind regards,
Scott (ward engineering)
I would think it unlikely boats are made from heat treatable series of alloys, mainly due to the sometimes complex procedures needed, which are very often not cost effective.( I could be wrong) I personally would think you will be safe with no heat treatment as i feel it it will be made of a very ductile alloy.
An experienced person will be able to tell you very quickly by simply trying to work the dent if the alloy is ductile enough to be worked. It's something that comes with experience alone. As mentioned alloys can work harden, which is a consideration, again only experience can tell you where that point is.
If you contact the manufacturer and they say it should be annealed (softened) I would be a little careful if it's not something you are familiar with. It is actually pretty easy to damage the material beyond repair if the temp gets to hot. It's not a hard process to do manually but you would be well advised to practice on some scrap to get the feel of what you are trying to do. I say this because this damage is a part of a larger structure which is different to making a small item in the workshop and getting the annealing wrong. You can remake that bit of sheet and re anneal it easily in a workshop, not so easy when its part of a boat.
My kind regards,
Scott (ward engineering)
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My GirlFriend has a Camera il try and get a Picture in a few days( big winter Storm here)
Theres Cross Beams in the Boat about 1foot apart on a 16foot Boat.
I just went out to look and the beams are not bent.
It looks like superman punched the corner of underside of boat in the center of both angles.
Il try and get a picture in a few days. thx for help
Theres Cross Beams in the Boat about 1foot apart on a 16foot Boat.
I just went out to look and the beams are not bent.
It looks like superman punched the corner of underside of boat in the center of both angles.
Il try and get a picture in a few days. thx for help
