ØRKILD FOUNDRY
Foundry since 1831
Special Jobs:

The repair of keels damaged by bottom contact or otherwise. Reduction of boat depth trough shortening of lead keels and compensatively adding weight building wings or weights, on to the keel. ØRKILD can cut up lead keels, but not iron keels.
See samples of adding weight to lead or iron keels building on wings or weights, and how to handle it.
Adding weight down to keel moves the total centre of gravity downwards See how to build your very own keel, and other very special jobs made by ØRKILD
Different options for the increase of weight and addition of wing profiles

 
Type
Vægt
Model
A
Bolted-on bulb
135 kg.
Mosquito-85
B
Built-on wings
2 x 175 kg.
Red
C
Built-on wings
2 x 240 kg.
Green
D
Bolted-on weights
2 x 250 kg.
Phantom - 42
E
Built-on wings
2 x ??? kg.
Yellow
F
Built-on wings
2 x 75 kg.
Blue (used on Granada 27)
G
Bolted-on weights
2 x 1011 kg.
Custom plug
Bolted-on weights
2 x ?? kg.
Your boat

A:
Before
Bulb
 After
Mosqoito-85

This bulb is especially made for the Mosquito - 85 to add weight to her cast iron keel. Lift the boat, push lead part inn under, lower the boat, drill through keel or make thread holes and fasten the bulb with bolts.

B: Redwing To be mounted on keel so that outside edges of wings
are parallel to keel midline. Profile is not symmetrically
but has biggest curve on lower side.
Wings are delivered with 4 holes for bolts.		 D: Phantom-42
Additional weights made to fit keel on Phantom - 42. Weights are delivered with 5 boltholes.
C: Greenwing To be mounted on keel so that outside
edges of wings are parallel to keel midline. Profile is not symmetrically but has
biggest curve on lower side.
Wings are delivered with 4 holes for bolts.		 E: Wyellowing  To be mounted on keel so that outside edges of wings are parallel to Keel
midline. Profile is symmetrically.
Wings are delivered with 4 holes
for bolts.
Bluewings mounted
F: Bluewing


To be mounted on keel so that outside edges of wings are parallel to keel midline. Profile is symmetrically.
These wings are f. inst. used on Granada 27 and they are delivered with 3 holes for bolts.

G: Kundemodel 
Customer`s plugs.
Plugs are built by Buhl Boats in Horsens DK and are shown because of good-looking design.

   
More weight in your keel? How?
Wings and weights shown in above lines, A -G,
can be delivered made of lead,with fixed holes
going countersunk access for nuts and sheaves. Measurements above in mm. and kilos. are given approx.		  

Position on keel
To avoid keel damage docking and "elsewhere", we can recommend to
place wing or weight with 50-mm. distances to the bottom of keel.

  

Keel frame templet
Cut - out measurements for a templet from the side
of keel where you expert the wing to be mounted
could be done as shown on attached drawing,
measuring a number of distances between side of
keel and aruler paralell to fhe center line of keel.


Mounting wings

Adjustment:
According to actual pattern the lead part, in the moulding process,
as wide as possible, is formed to minimise fitting at mounting stage.

Mounting on an iron keel:
With all-through holes or thread holes from each side.

 


Mounting on a lead keel:
with going through bolts. Into holes drilled through the lead keel.

Bolts: For mounting can be delivered as to individual measurements
in Qualities AISI-316 L / A4

Furhter information:
Phone or email Ørkild Faundry and ask for Søren or Hans.
Clinching cliff on the bottom a 34 ft. boat lost one side
of her keel wings.
Ørkild has made a symmetrically wing plug, made a mould around this plug and poured a new wing melted together
with the old keel.
To eliminate any risk boat wings are furthermore secured through bolts going through.
In this keel a Stainless steel tank
With fastening bolts going through,
and welded together with tank, has
been poured together with a lead keel.

Olieflydespærring
Oil containment boom lead weights bolted along the lower edge of oil a containment boom, made at Danish Ro-Clean-Desmi,
keeps the boom in upright
position in the water.
Build your very own keel. The following 12 pictures shows how to build your own keel design.
Make the plug for your bulb after a design, which you can buy, or according to drawings. Use wood, or foam of a quality weighing
> 40 kilos. A-per cubic meter, and add 3 layers of GRP to keep it together during the moulding process.
ØRKILD, can make your lead bulb through, holes for safety bolts.
  1-2-3. For the flange up under the boat you need a steel plate, in the shown sample a 22 mm. plate, cut after a template made on top of the existing keel or from the bottom of your boat. Drill the holes for bolts and safety bolts and weld, as shown, bolts onto the underside of the plate. At this stage you also decide the distance between plateoon top of keel and the steel flange plate and you cut and weld the strength elements for the body together with top plate. In the shown sample steel square profile tubes 80x80x5 mm.are used.

4-5-6..Turn flanges to right position and place it onto the keel top plate. Be sure it is exact in position and then weld the strength
- - - -..elements to the top plate on bulb.
7-8. .- You can now "overfill" the body inserting foam pieces to make the body as homogenous as possible, and then cut and grind the
- - - -. surface to be the design you prefer.
9-10. ..We now recommend 3 layers of GRP onto the surface of body and let it cover the sides of the lead bulb as well. After curing you
- - - .- can now spackle the keel surface to the smoothness you like, before painting.
11-12. Keel is mounted onto the boat and connection against hull faired and done.
  www.oerkild.com
mail@oerkild.com		 Støberiet Ørkild
Bodøvej 11
DK - 5700 Svendborg 		Tlf.: + 45 62 22 02 84
Fax: + 45 62 22 02 83
Privat: + 45 62 22 97 58