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Foamie Airboat
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Phrozius View Drop Down
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Posts: 868 		  Quote Phrozius Quote  Post ReplyReply Direct Link To This Post Topic: Foamie Airboat
    Posted: 23/May/2010 at 6:05pm
Could'nt wait for plans so I thought I would make something up!
 
 
 
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Nice! Continue Wink
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Posts: 1226 		  Quote SeaComms Quote  Post ReplyReply Direct Link To This Post Posted: 23/May/2010 at 6:47pm
LOL  You dont muck around!    Tell you what though, if you can make one fly like the video I will be very impressed.
Cheers, Dave.
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Posts: 868 		  Quote Phrozius Quote  Post ReplyReply Direct Link To This Post Posted: 23/May/2010 at 8:02pm
haha my luck it will fly rather than float.. followed by sinking lol
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Posts: 868 		  Quote Phrozius Quote  Post ReplyReply Direct Link To This Post Posted: 23/May/2010 at 10:50pm
Trick bit done
 
Starting to get the idea
 
How do these things go with the weight distribution? never built one so i need some input there.
 
 
 
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Posts: 1226 		  Quote SeaComms Quote  Post ReplyReply Direct Link To This Post Posted: 24/May/2010 at 5:43am
25% to 35% forward of the transom is a general starting point for the balance.

Once in the water it should sit reasonably flat at speed and not 'porpoise' or run nose down trying to be a submarine!  Bit of trial and error to get it spot on in the end.

Coming along nicely by the way :)


Edited by SeaComms - 24/May/2010 at 5:44am
Cheers, Dave.
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Posts: 22 		  Quote NOZ69R Quote  Post ReplyReply Direct Link To This Post Posted: 24/May/2010 at 3:01pm
Very nice work there.

Well done.

Cheers
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Posts: 868 		  Quote Phrozius Quote  Post ReplyReply Direct Link To This Post Posted: 24/May/2010 at 8:02pm

Battery and electronics compartment done. Also fitted the motor and rudders ( do you call 'em rudders on an airboat lol?)

 

A quick visit to the local beta electrical (retailer of fridges tv's etc etc) and I had a few nice thick sheets of packing foam for free that were only destined for land fill. They were cut to shape and will fill all the cavities to add some strength and flotation.. should just about be unsinkable (like the titanic )

 

Needs to sit for a few days and cure now as I have used a fair bit of PVA glue which seems to realy take its time to dry on foam. especially in the concealed areas.

 

 


 
 
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Edited by Phrozius - 24/May/2010 at 8:10pm
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Posts: 22 		  Quote NOZ69R Quote  Post ReplyReply Direct Link To This Post Posted: 25/May/2010 at 1:21pm
UOTE=Phrozius]

Battery and electronics compartment done. Also fitted the motor and rudders ( do you call 'em rudders on an airboat lol?)

 

A quick visit to the local beta electrical (retailer of fridges tv's etc etc) and I had a few nice thick sheets of packing foam for free that were only destined for land fill. They were cut to shape and will fill all the cavities to add some strength and flotation.. should just about be unsinkable (like the titanic )

 

Needs to sit for a few days and cure now as I have used a fair bit of PVA glue which seems to realy take its time to dry on foam. especially in the concealed areas.


[/QUOTE]

Yes they still called rudders Smile

I would be a bit careful with the PVA glue being water based I'm not sure on how it would react with water after curing. May be test before hand.

Cheers

Scott
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Posts: 868 		  Quote Phrozius Quote  Post ReplyReply Direct Link To This Post Posted: 25/May/2010 at 2:47pm
Thanks Scott, PVA has only been used internaly to keep all the packing foam in place. The PVA glue I used stated "water resistant" so I also ran a bead around all the internal joins to help seal it up. All the exposed or outer joins were made with foam safe CA so fingers crossed lol.
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