The Shipyard ( Dry Dock ): Builds & Questions > Springer Tugs

Springer Plans

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Martin [Admin]:
I can never find the plans when I needs them.... I can now!



PLANS:
 http://www.modelboatmayhem.co.uk/Common/Plans.doc

RULES:
18" x 8" inch hull size and floor shape as per plan.

Single Motor up to 550 size eg. 540/550 / Speed 600. ANY gear / belt / magnetic drive you like!
( Gear and pully drive allowed. )

Power - Up to 7.2 volts

Single Rudder only.

Must have a superstructure of some sort.



Martin [Admin]:

--- Quote from: innovative-rc on May 26, 2008, 01:57:48 pm ---
HI guys

I'm a friend of bobs i was the one who drew up the files for him as we wanted to find some printable plans to print and cut :)

so please check over our drawings and let us know if any problems, and also feel free to use as needed.

plans as follows:

--- End quote ---

A4 page of overview of plan with dimensions etc.
http://innovative-rc.co.uk/products/springer-tug/Hull-drawing.PDF

A4 tiled print plan, 15 pages in A4, with cut marks, so cut it out stick it together to get a 1:1 full size plan.
http://innovative-rc.co.uk/products/springer-tug/Tile-Hull-Panels-springer-tug-A4.pdf

A1 print size plan (for any one with nice big printer)
http://innovative-rc.co.uk/products/springer-tug/Hull-Panels.PDF

DXF File verion of plan for any one with cad or router/lazer cutter. (in zip file as does not like posting dxf files here)
http://innovative-rc.co.uk/products/springer-tug/Hull-Panels-DXF.zip


 i have now updated the planes, same links as above added some more dimentions etc hope they help you get yours made and built.

any you think should be added just showt ill get it added for others to use.

thanks, robert





chrise:
I am assuming that these plans are meant to be used by beginners as well as experts.

The plan bulkheads on the A4 overview are sized for 6mm hull sides I think but it does not say that - or at least it almost certainly does say it somewhere but I haven't seen it.  :-))

I am not sure what, if anything, you have allowed for the thickness of the bottom sheet.

Do you think rounding to the nearest mm (as in the handdrawn plan above) might be a good idea - or sticking to the imperial measurments of the original design. I have done a reasonable amount of woodwork over the years but marking out & then cutting exactly 88.72mm etc. sounds difficult to me.

For absolute beginners a link about waterproofing (& strengthening) the joints - particularily the one between the bow "bulkhead" & bottom sheet - might also be a good idea.

Chris

Arrow5:
Excellent points Chrise.  Anybody care to add some simple basic to help the beginner?

Martin [Admin]:

--- Quote from: chrise on June 23, 2009, 10:09:23 am ---
I am assuming that these plans are meant to be used by beginners as well as experts.


--- End quote ---

Hi Chris,
I'm no expert but lets see if I can help you.


The plan bulkheads on the A4 overview are sized for 6mm hull sides I think but it does not say that - or at least it almost
certainly does say it somewhere but I haven't seen it.  :-))

Front, back and sides (and internal structure) can be any thickness and made from anything.
Most of the Springers on here are made from scrap / off cuts of wood or you can go down to your local timber yard / DIY shop
and purchase new. Some of the Springers on here are built from Balsa, MDF, ply, perspex, aluminium, even steel!


I am not sure what, if anything, you have allowed for the thickness of the bottom sheet.

Bottom sheet again can be anything, Balsa sheets (grain from side to side), ply, 2 layers of thin ply,
my latest Springer has a hardwood bottom. Plan the gluing very carefully and have a couple of dry runs for practice first.


Do you think rounding to the nearest mm (as in the hand drawn plan above) might be a good idea - or sticking to the imperial measurements of the original design. I have done a reasonable amount of woodwork over the years but marking out & then cutting exactly 88.72mm etc. sounds difficult to me.

Most important dimensions are L x W x D - 18"x8"x4 3/4"  - 457mm x 203mm x 124mm (46cm x 20cm x 12cm as-near-as-damit!)

For absolute beginners a link about waterproofing (& strengthening) the joints - particularly the one between the bow "bulkhead" & bottom sheet - might also be a good idea.

Do a search hear on mayhem for water proofing or sealing wood, there's loads of stuff.
One thing I would say is make the bottom sheet to side joint strong, I'm using moulded wooden strip to strengthen mine.

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