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 Mantis build

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AlanP
Master
Master
AlanP

Posts : 278
Join date : 2011-06-11
Age : 75
Location : South Cumbria

Mantis build Empty
PostSubject: Mantis build   Mantis build EmptyWed Mar 21, 2012 7:54 pm

So here is the build of the Mantis tunnel catamaran, drawn by Glynn Guest, a free plan in MB Nov 1992.

I was inspired by my new found friend (Pirana) from Liverpool Model Boat Club.

I could really do with building it out of rubber as I am not very good at steering anything that goes faster than 5 mph, but as the plan says 5mm balsa for the main frame and 3mm balsa for skinning the hull, that is what I will use.

The only deviation from the plan is a thin piece of aluminium on the inside of the transom, skinning the underside of the tub with thin ply and a thin skin of ply on the outside of the transom.

Mantis build Dscf3563

Mantis build Dscf3565

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AlanP
Master
Master
AlanP

Posts : 278
Join date : 2011-06-11
Age : 75
Location : South Cumbria

Mantis build Empty
PostSubject: Re: Mantis build   Mantis build EmptyWed Mar 21, 2012 7:59 pm

Mantis build Dscf3566

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AlanP
Master
Master
AlanP

Posts : 278
Join date : 2011-06-11
Age : 75
Location : South Cumbria

Mantis build Empty
PostSubject: Re: Mantis build   Mantis build EmptyThu Mar 22, 2012 7:48 pm

Thin ply skin been glued to the bottom of the tub and 3mm balsa glued to hull sides



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AlanP
Master
Master
AlanP

Posts : 278
Join date : 2011-06-11
Age : 75
Location : South Cumbria

Mantis build Empty
PostSubject: Re: Mantis build   Mantis build EmptySun Mar 25, 2012 9:35 pm

Sanded to the right profile and the bottom skins glued on.



Mantis build Dscf3572

Mantis build Dscf3573
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AlanP
Master
Master
AlanP

Posts : 278
Join date : 2011-06-11
Age : 75
Location : South Cumbria

Mantis build Empty
PostSubject: Re: Mantis build   Mantis build EmptyTue Mar 27, 2012 7:41 pm

The hull is now finished and has been given a thin coat of sealer, a slot cut for the prop tube, the lolly stick stuck across the transom is just to make sure I get the prop tube in the right position.

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