Motor Boats over 30'

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MOTOR BOAT DESIGNS & PLANS
FOR MOTOR BOATS OVER 30' IN LENGTH

 

Study Plans are available for some of these designs - remember a study plan gives you more details and a wood materials list usually on two A1 sheets, so that you can cost out a project before ordering the full plans. When you order the full construction plans you do not need to order the study plan as well, as all the study details are on the full plans.

We have 13 designs, of various different styles and types

 

Note - In the particulars for each design, the dry weight is given for guidance only and will vary depending on the grade/density of plywood and solid wood used - different thicknesses of ply are often used by builders and the dry weight figure is based on the thinnest ply specified.
Also the Guidance Use comments are given in good faith and are based on feedback from previous builders etc and based on standard weight adults - contact us if you want further clarification before ordering/building.
Speed and power requirements are also based on feedback and estimates and are for guidance only - actual speeds attained will depend on loading etc.
E & OE


Motor Boats on this Page

Power 4

32' Motor Barge

36' MY

32' Steel
Canal Tug

36' Bullfinch NB

39' Chaffinch
NB

45' Teign Barge

65' Teign Barge

36' Steel MY

55' Plywood MY

41' Humber Steel
Motor Barge

36' Hawfinch Wood
Narrowboat
Hinton 15m
Ply Barge
   

 

POWER 4
After many requests, we have extended the simple concept of the Power 1 and 2 motor launches to a length of 32' with a beam of 10'9". At the moment, the drawings for the hull and deck construction are available allowing the client to choose or design his own superstructure and layout. (That shown above is just one possibility). Total displacement would be around 8500 lbs. allowing a fair amount of accommodation and tankage and the design will take single or double inboard/outboards.
Construction is based upon pre-shaped hull bottom, frames, transom and fore/aft girders using 38 sheets of 1/2" and 6 sheets of 1" ply. Contact us if you want prices for the design of an internal layout and superstructure to your own requirements.

Power 4 Particulars

LOA 32' 9.76m
Beam 10'9" 3.28m
Hull Mid Depth 4'3" 1.3m
Draft 2' 0.61m
Displacement 8500 lbs 3855 kg
Engine 75 - 150 hp  

Hull Shape

Flat bottom with 3 planks per side (mark 2)
Construction Methods Ply over frame
Major plywood requirements for hull 38 x 12mm sheets
Guidance Use 6 x 24mm sheets
Drawing/Design Package 5 x A1 drawings + 6 x A4 instruction/spec sheets
Additions and alterations included with the plans  

 

POWER 4 FULL PLANS COST 

UK/EU - FULL PLAN £110 (incl. VAT)         

USA/ELSEWHERE - FULL PLAN £94 ($150)


 

NEW 32' x 10' MOTOR BARGE  
This is a shortened version of the 45’ Teign Motor Barge and has the same flat bottom panel for maximum capacity and ease of construction. We have the plans for the hull construction in, strip plank, plywood and steel. Also note that we have now added details for the building jig, wood deck and superstructure plus rudder, engine/sterngear installation and a guidance fit-out.

The fit-out drawing shows a layout with aft wheelhouse (engine room under), followed by a double berth cabin, shower and wc, galley and a forward dinette and saloon (which converts into another double berth).

LOA 32’ (9.76m); Beam 10’ (3.05m); Draft 2’ (0.61m); Displ. To WL 12.5 tons (12.7 tonnes).

32' x 10' MB Particulars

LOA 32' 9.76m
Beam 10' 3.05m
Hull Mid Depth 4'11" 1.49m
Draft 2' 0.61m
Maximum Headroom 6'3" 1.9m
Displacement 12.5 tons 12.7 tonnes
Engine 50 - 75 hp inboard  

Hull Shape

Flat bottom rounded hull sides
Construction Methods Strip plank and steel
Guidance Use Canal, Estuary, Coastal
Drawing/Design Package 9 x A1 drawings + 11 x A4 instruction/spec sheets
Additions and alterations included with the plans  

 

32' x10' MOTOR BARGE PLANS PRICE

UK/EU - STUDY PLAN £30.00/FULL PLANS £245 (incl. VAT)
USA/ELSEWHERE - STUDY PLAN £26.00/FULL PLANS £209 ($42/$334)

 

36' MOTOR YACHT  
The drawings for this 36' motor yacht consist of lines, offsets, layout and profile details. Construction drawings and details can be furnished to the client to suit whatever method of build he requires. For the discerning motor yachtsman wanting a stylish roomy cruiser with a well thought out accommodation, this cruiser will achieve 15 knots with twin 190 hp engines. Fitted with more powerful drive units, she will do 20 or more knots on her semi-displacement hull. There is both inside and outside control positions, a large galley and spacious double cabin aft. In the standard layout there are berths for 5 and 2 toilet/shower units. LOD 36'; LWL 30'; Beam 12'; Draft 3'3"; Displ. 7 tons.

36' MY Particulars

LOA 36' 10.98m
Beam 12' 3.66m
Hull Mid Depth 6'5" 1.95m
Draft 3'3" 0.99m
Maximum Headroom 6'3" 1.9m
Displacement 7 tons 7.1 tonnes
Engine 2 x 190 hp inboard  

Hull Shape

Round bilge
Construction Methods Strip plank bottom/ply sides
Guidance Use Offshore
Drawing/Design Package 1 x A0 drawing + 4 x A1 drawings + 3 x A4 instruction/spec sheets
Additions and alterations included with the plans  

 

36' MY (LINES/GA/HULL CONSTRUCTION) FULL PLANS COST 

UK/EU - FULL PLAN £275 (incl. VAT)           

USA/ELSEWHERE - FULL PLAN £234 ($374)


 

NEW 32' x 6'9" STEEL CANAL TUG
We have drawn up the steel construction details (hull, deck, sterngear and rudder details only) for this 32’ canal boat based on a tug design with a fantail aft end and narrow boat lines amidships running into a tug type bow.

She may be fitted out in a variety of ways and we can help with this and with any changes required to the superstructure—the centre area is parallel sectioned so that she can be altered in length fairly easily.

The study plan consists of the main hull construction drawing and steel materials list.

LOD 32’ (9.76m); Beam 6’10” (2.08m); Approx. Draft 3’ (0.92m).

32' Steel Canal Tug Particulars

LOA 32' 9.76m
Beam 6'10" 2.08m
Hull Mid Depth 4'6" 1.37m
Draft 3' 0.92m
Engine 35 hp inboard  

Hull Shape

Flat bottom single chine
Construction Methods Steel
Guidance Use Uk canal
Drawing/Design Package 5 x A1 drawings + 3 x A4 instruction/spec sheets
Additions and alterations included with the plans  

 

32' STEEL CANAL TUG PLANS PRICE

UK/EU - STUDY PLAN £20.00/FULL PLANS £165 (incl. VAT)
USA/ELSEWHERE - STUDY PLAN £17.00/FULL PLANS £140 ($27/$224)

 

36' BULLFINCH NARROW BOAT
The Bullfinch is a typical standard steel narrow boat with a cruiser stern for home construction. The drawings and details are for the hull, deck and superstructure steel work only. Engine bed and rudder details are also shown. A study plan showing a suggested layout is available but the fit out is left up to the builder (detail drawings can be provided if required). As drawn she is capable of being fitted out with 4/5 berths with a separate dinette/double berth, large galley area and shower/wc and a spacious saloon with a forward cockpit and an aft lobby. LOD 36' (10.95m); Beam 6'10" (2.06m); Displacement to WL 17200 lbs (7800 kg). Steel work construction plans are only available at present.

The plans also give the panel/frame shapes for a wider beam version.

36' Bullfinch Particulars

LOA 36' 10.95m
Beam 6'10" 2.06m
Hull Mid Depth 4'1" 1.24m
Draft 2' 0.61m
Maximum Headroom 6'5" 1.95m
Displacement 17200 lbs 7800 kg
Engine 20-25 hp  

Hull Shape

Flat bottom single chine
Construction Methods Steel
Guidance Use Uk canals
Drawing/Design Package 5 x A1 drawings + 5 x A4 instruction/spec sheets
Additions and alterations included with the plans Panel shapes for wide beam version.

 

36' BULLFINCH PLANS PRICE

UK/EU - STUDY PLAN £20.00/FULL PLANS £175 (incl. VAT)
USA/ELSEWHERE - STUDY PLAN £17.00/FULL PLANS £149 ($27/$238)


NEW 39' CHAFFINCH NARROW BOAT
The Chaffinch is a trad sterned narrow boat—drawings give the computer faired and generated hull panel shapes and full details for steel construction. The steel work drawings give details for the FW tank, rudder, sterngear/engine installation and weed hatch.
The fit-out drawings show an open plan arrangement with berths for 4, a large wc compartment with shower and wash basin and a large galley—details are shown for the electrics and plumbing etc
LOA 39’ (11.9m); Beam 6’10” (2.06m); Displacement to WL 19845 lbs (9000 kg).
Note - we have the steel work drawings for a 58' narrowboat and also a wide beam version of the same boat- contact us for details.

39' Chaffinch Particulars

LOA 39' 11.9m
Beam 6'10" 2.06m
Hull Mid Depth 4'1" 1.24m
Draft 2' 0.61m
Maximum Headroom 6'5" 1.95m
Displacement 19845 lbs 9000 kg
Engine 25-35 hp inboard  

Hull Shape

Flat bottom single chine
Construction Methods Steel
Guidance Use UK canal
Drawing/Design Package 8 x A1 drawings + 3 x A4 instruction/spec sheets
Additions and alterations included with the plans  

 

39' CHAFFINCH PLANS PRICE

UK/EU - STUDY PLAN £20.00/FULL PLANS £245 (incl. VAT)
USA/ELSEWHERE - STUDY PLAN £17.00/FULL PLANS £209 ($27/$334)

 

45' TEIGN MOTOR BARGE
One of our clients wanted to match the advantages of strip planking with an easily built but attractive motor barge hull. In stead of using a slab sided hull seen on so many modern steel barges, we have been able to use the ability of strip planking to produce a hull with well curved topsides and modelled the barge on the old Teign gravel barges.
Construction simply starts by laying down the flat bottom using the shape given on the plans. The bottom is a sandwich of ply and baulk timber. On this, the frames/floors are then erected (again the shapes are given on the drawings and the hull sides are planked with 2 overlapping layers of 1" strip planks. Quickly and using fairly basic facilities and tools, a very strong hull can be made by using this method. With a length of 45' and a beam of 12' the barge has a large amount of space to fit out the interior as you wish. The arrangement that we have drawn up is for charter use and has an aft wheelhouse with crew accommodation. Forward are 3 separate cabins for 6 to 8 people along with space for 2 wc's a hip bath/shower and a saloon. LOD 45' (13.72m); Beam 12' (3.67m); Draft 2'4" (.71m); Displ. to WL 19.64 tons (19.95 tonnes.
Drawings for a plywood version of the hull are included.

45' Teign Particulars

LOA 45' 13.72m
Beam 12' 3.67m
Hull Mid Depth 5' 1.5m
Draft 2'4" 0.71m
Maximum Headroom 6'7" 2m
Displacement 19.64 tons 19.95 tonnes
Engine 80-150 hp inboard  

Hull Shape

Flat bottom and round hull sides
Construction Methods Strip plank and ply on frame
Major strip wood requirements for hull 5245' of 1" x 3" (1600m x 25x75mm) WRC or Larch etc
Guidance Use Coastal
Drawing/Design Package 11 x A1 drawings + 8 x A4 instruction/spec sheets
Additions and alterations included with the plans 30' x 12' sheet
Multi-chine plywood construction
Steel panel shapes

 

45' TEIGN MOTOR BOAT PLANS PRICE

UK/EU - STUDY PLAN £30.00/FULL PLANS £400 (incl. VAT)
USA/ELSEWHERE - STUDY PLAN £26.00/FULL PLANS £340 ($42/$544)

NEW 65' TEIGN MOTOR BARGE
I have recently drawn up the steel work/construction drawing along with the frame and plate shapes for a steel multi-chine version of the 45' Teign Motor Barge. We can also send details for the rudder engine beds etc for the 45' version as guidance for fitting out this 65' version.

65' Steel Teign Particulars

LOA 65' 19.83m
Beam 13' 3.97m
Hull Mid Depth 5' 1.5m
Draft 2'4" 0.71m
Maximum Headroom 6'7" 2m
Displacement 29.53 tons 30 tonnes
Engine 150-250 hp inboard  

Hull Shape

Flat bottom and multi-chined hull sides
Construction Methods Welded steel
Guidance Use Coastal/cross channel
Drawing/Design Package 3 x A1 drawings

 

65' STEEL TEIGN (HULL) PLANS COST 

UK/EU - FULL PLAN £150 (incl. VAT)           

USA/ELSEWHERE - FULL PLAN £128 ($205)


35' STEEL MY  
Similar to the 55 footer below, we have details for the construction of a 35' steel motor yacht hull. The plans include the steel work drawings for the hull and engine beads and the computer generated hull panel shapes. She has a beam of 11'6" (3.5m) and has a double chine hull capable of speeds up to 25 knots.

35' Steel MY Particulars

LOA 35' 10.68m
Beam 11'6" 3.51m
Hull Mid Depth 6'7" 2m
Draft 2'2" 0.65m
Engine Twin 150 hp  

Hull Shape

V bottom double chine
Construction Methods Steel - could be ply over frame
Guidance Use Offshore
Drawing/Design Package 8 x A1 drawings + 1 x A4 instruction sheet
Additions and alterations included with the plans  

 

35' STEEL MY (HULL) FULL PLANS COST 

UK/EU - FULL PLAN £200 (incl. VAT)           

USA/ELSEWHERE - FULL PLAN £170 ($272)


55' PLYWOOD MY  
These drawings show the construction details for the plywood hull only of a 55' x 15' (16.78m x 4.58m) single chine (with spray rail) 'V' bottomed motor yacht capable of speeds up to 25 or more knots. Full details including computer generated and faired frame shapes are given allowing the builder to fit her out to suit (we are happy to give advise on this or to draw up further details).

55' MY Particulars

LOA 55' 16.78m
Beam 15' 4.58m
Hull Mid Depth 8'3" 2.5m
Draft 3'5" 1.04m
Engine 2 x 350 hp inboard  

Hull Shape

V bottom single chine
Construction Methods Ply over frame
Major plywood requirements for hull 63 x 9mm sheets
80 x 12mm sheets
10 x 24mm sheets
Guidance Use  
Drawing/Design Package 7 x A1 drawings + 7 x A4 instruction/spec sheets
Additions and alterations included with the plans  

 

55' PLY MY (HULL) FULL PLANS COST 

UK/EU - FULL PLAN £275 (incl. VAT)           

USA/ELSEWHERE - FULL PLAN £234 ($374)


 

 41' HUMBER STEEL MOTOR BARGE

This is a steel multi-chine motor barge for use in the waters of the UK and Europe, crossing the Channel and exploring the rivers and canals of the European mainland. She has a section of parallel middle-body which means that she can be stretched.

  She can be built with our without the spars/sails and can be fitted out to suit individual requirements. The drawings include construction details and plate shapes for the hull, construction details for the deck/superstructure, machinery installation and rudder gear.

LOA 41’ (12.5m); Hull beam 11’6” (3.5m); Draft 3’10” (1.18m); Approx. displ. 16.24 tons (16.5 tonnes).  

Below - Dave Rushby's Humber 41.  

Below are thumbnail photos showing the launch sequence and more details of Dave Rushby's Humber, Little Charly - click on a thumbnail to see a bigger picture.

Above, the designer and owner both looking relieved after the launch.

   

The launch :- 

 

Humber41launch01.jpg (38356 bytes)Humber41launch02.jpg (37193 bytes)Humber41launch03.jpg (37464 bytes)Humber41launch05.jpg (44323 bytes)

The interior :-

 

Humber41Interior01.jpg (34182 bytes)Humber41Interior02.jpg (22521 bytes)Humber41Interior03.jpg (25312 bytes)Humber41Interior04.jpg (25872 bytes)

On deck :- 

 Humber41deck01.jpg (41360 bytes)Humber41deck02.jpg (34252 bytes)Humber41deck03.jpg (37062 bytes)

41' Humber Particulars

LOA 41' 12.5m
Beam 11'6" 3.5m
Hull Mid Depth 6'3" 1.9m
Draft 3'10" 1.18m
Maximum Headroom 6'4" 1.93m
Displacement 16.24 tons 16.5 tonnes
Engine 80-120 hp inboard  

Hull Shape

U multi-chine with 4 planks per side
Construction Methods Steel
Guidance Use Coastal/offshore
Drawing/Design Package 11 x A1 drawings  +2 x A4 instruction/spec sheets
Additions and alterations included with the plans  

 

41' HUMBER MOTOR BARGE PLANS PRICE

UK/EU - STUDY PLAN £30.00/FULL PLANS £375 (incl. VAT)
USA/ELSEWHERE - STUDY PLAN £26.00/FULL PLANS £319 ($42/$510)

 

 36' HAWFINCH WOOD NARROWBOAT
Marlow 27

We have often been asked for a wood version of a steel narrowboat and here it is. Narrowboats were of course made from timber in the first part of the last century although then, they used heavy boards of Elm and Oak. This version uses several layers of plywood with Pine frames and framework combining the old with the new.

The drawings are for the wood hull only but we do give a basic interior layout arrangement and we can give simple ply superstructure construction details from one of our other designs.

LOD 36’ (10.95m); Beam 6’10” (2.06m); Displacement to WL 17200 lbs (7800 kg).

36' Hawfinch Particulars

LOA 36' 10.95m
Beam 6'10" 2.06m
Hull Mid Depth 4'1" 1.25m
Draft 2' 0.61m
Maximum Headroom 6'5" 1.96m
Displacement 17200 lbs 7800 kg
Engine 25-35 hp inboard  

Hull Shape

Flat bottom single chine
Construction Methods Ply over frame
Major plywood requirements for hull 32 x 6mm sheets
3 x 12mm sheets
4 x 18mm sheets
20 x 24mm sheets
Guidance Use Uk canal
Drawing/Design Package 4 x A1 drawings + 5 x A4 instruction/spec sheets
Additions and alterations included with the plans  

 

36' HAWFINCH WOOD NARROWBOAT PLANS COST

UK/EU - STUDY PLAN £20.00/FULL PLANS £175 (incl. VAT)
USA/ELSEWHERE - STUDY PLAN £17.00/FULL PLANS £149 ($27/$238)

 HINTON 15m PLYWOOD BARGE
Marlow 27

 This is a simple barge with flat bottom single chine shape and a ‘swim’ shaped stern (under the waterline similar to narrow boats). The bow would be vertically staved plywood in 2 or 3 overlapping layers. Construction details are available for the hull only and approximately 45 sheets of 18mm ply and 40 sheets of 24mm ply are used for the hull skin.

 She may be fitted out to the builders requirements and we can give advice on deck construction etc. She is designed for use as a houseboat in inland waters.

Hinton 15m Particulars

LOA 49'9" 15.16m
Beam 9'9" 2.98m
Hull Mid Depth 6'10" 2.09m
Draft 2'4" 0.72m
Maximum Headroom 6'5" 1.96m
Displacement at 600mm WL 21 tons 21300 kg
Engine Approx. 50-80 hp for use on inland canals

Hull Shape

Flat bottom single chine
Construction Methods Ply over frame
Major plywood requirements for hull only 48 x 18mm sheets
70 x 24mm sheets
Guidance Use UK canal
Drawing/Design Package 3 x A1 drawings + 4 x A4 instruction/spec sheets
Additions and alterations included with the plans  

 

HINTON 15m PLYWOOD BARGE HULL PLANS COST

UK/EU - STUDY PLAN £20.00/FULL PLANS £110 (incl. VAT)
USA/ELSEWHERE - STUDY PLAN £17.00/FULL PLANS £94 ($27/$150)

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POSTAGE & PACKING (SHIPPING)
Please note - the plan prices do not include P&P charges which will be added to your order.

The maximum P&P charges for plans are :-
UK - £3 per plan (sent by 1st class Business Post.
Europe - £5 per plan (sent by Airmail).
USA & Elsewhere - £9 ($15) per plan (sent by Airmail).

See the Postage Charge Table (via the Home Page) for further details.