Owning - Maintaining a 707


UK National Champs PEYC
29th June - 2nd July

Full Detaikls

4th May 2017

Rachel Alvarado's
YouTube videos

Added March 2017 - A series of 3 winter talks from the guys at the front of the Scottish 707 fleet- Upwind, Downwind and Starts.

Talk 1
Talk 2
Talk 3

25th March 2017

2016 Results
Excel spreadsheet showing
all results for 2016

8th February 2017

2017 Application Form

18th January 2017

Class Rules
The 707 class rules have been updated for 2015

8th September 2015

Sail Prices
2014 Sail prices added to buying page

28th June 2014

General updates
Subs form for 2014
Calendar Page - multiple updates
Front page archived

14th February

This website needs NEW content. Please send articles and images for addition to the webmaster. Contact here.


New to the 707
Check out the articles on Crewing and Teamwork

Noble insurance


Maintaining a 707

This page contains tips and advice on maintaining your 707. We all face the same issues, so please let the rest of us know about any problems you've fixed. At the bottom of the page is a section listing suppliers for various spare parts. Please contact the secretary with details of others and updates, or post to the bulletin board for discussion.

Curing rudder play

After relatively little use, most 707 rudder fittings seem to wear, causing a certain amount of "float" which manifests as rattles and clonks or even vibration at speed and generally detracts from the pleasure of helming.

Changing all the fittings for new parts is labour-intensive and expensive, even if you can get the parts. Fortunately there is a much less expensive and easier way. To do this job properly you will need:

  • Length of 10mm diameter T316 quality stainless steel bar
  • White Sikaflex sealant/adhesive
  • 10mm HSS drill bit
  • 4mm HSS drill bit
  • Centre punch
  • 10mm hand reamer and tap holder
  • Pillar drill
  • Cordless hand drill

Remove the rudder from the boat and take it home. Unbolt and remove the rudder pintles then mount them in the drill vice and drill out the holes to 10mm with the pillar drill. This is important, as the holes must be exactly perpendicular. Then use the 10mm hand reamer to finish the holes.

This is also a good time to repair any damage to the rudder surfaces and repaint it.

Cut a length of the 10mm stainless rod the same length as the original (3/8 inch) rod. Ours was 470mm but they may differ from boat to boat.

Slide the pintles onto the new rod and re-fit to the rudder using Sikaflex to seal the joint. It may be necessary to pack out the joint to achieve a tight fit. We used mylar strips. It is important to fit the pintles with the rod in place to keep everything in line. Note that the slightly beefier pintle should be fitted at the bottom position.

Remove the new rod and mark the position of the holes for the retaining split pins and drill 4mm holes for the split pins to pass through.

Back down at the boat, whilst it is out of the water, use a cordless hand drill to drill out the gudgeon fittings to 10mm and again use the 10mm hand reamer to finish the holes.

Re-fit the rudder using a little waterproof grease to ease the process and minimise future wear.

We did this job some time ago and after 12 months, so far no rattles have developed. Whenever the opportunity arises, apply some fresh grease to the bearing surfaces.

If the wear in your rudder bearings is so severe that a 10mm rod still rattles it may be necessary to go up to the next size of rod, which is 7/16 inch diameter.

Stainless rod is easily obtained from your local steel stockist (just look in yellow pages). The drill bits and hand reamer can be bought on-line from the excellent Tap and Die Company in London (www.tapdie.com).


The winches on a 707 are Harken B8s. There is a service kit listed as BK 4512, which is a set of pawls and springs. All the other parts can be ordered separately. The only other parts that are likely to have worn out are the two nylon bushes. The part numbers are: B1087 and B426. There are comprehensive servicing instructions on the Harken website but basically it just tells you to dismantle the winches, wash all the parts in white spirit, then wash them with hot water before (and this is the important bit) lubricating all the plain bearings and gear teeth with winch grease, BUT only use light oil on the pawls when reassembling. If you do this twice per season the winches usually give no trouble. Putting grease on the pawls is a common mistake as it hardens and sticks them in the 'off' position.

Hatch replacement

The hatch is easily removed by first removing the rectangular end stops and then simply sliding the hatch cover out. It seems to be made simply from smoked perspex so you should obtain a sheet of this from a local stockist (try yellow pages/internet), but take the old hatch along to make sure the correct thickness and material are supplied and then cut a new hatch using your old one as a template. It should be possible to re-use the nylon rail as it is only screwed on and sealed with clear silicone. If you don't enjoy DIY its likely that your perspex supplier can fabricate your new hatch.

Suppliers of replacement parts

Rubbing strakes

Parker Liftkeel Yachts Limited
61 Horseshoe Lane
PE20 1LW

Telephone 01205 722697
Fax: 01205 723549
Email: parkeryachts@ukonline.co.uk
Web: www.parkeryachts.co.uk


Class rules specified exclusive supplier:

Elvström Sobstad
Port Hamble Marina
Satchell Lane
SO31 4NN

Telephone 02380 456205
Email: sales@elvstromsobstad.co.uk
Web: www.sobstad.co.uk

Spars and rigging

Class rules specified exclusive supplier:

Z Spars UK
2 Pond Hall Road

Telephone 01473 822130
Fax: 01473 827354
Email: sales@zsparsuk.com
Web: www.zsparsuk.com

Spinnaker pole webbing

Hamble Yacht Services
Port Hamble Marina
SO31 4NN

Telephone 02380 455111
Email: info@pigbags.com
Web: www.pigbags.com


R.M. Trailers Ltd.
Prospect Road
New Alresford
SO24 4QF

Telephone 01962 732560
Fax: 01962 734027
Email: sales@rmtrailers.co.uk
Web: www.rmtrailers.co.uk


Facebook Groups
For news, tips and chat visit one of our active Facebook groups

707s on FaceBook
707 Association Facebook Group

707s on FaceBook
Scottish 707 Facebook Group

2016 AGM Documents

2016 Minutes

Rachel Alvarado's
YouTube videos

Added March 2017 - A series of 3 winter talks from the guys at the front of the Scottish 707 fleet- Upwind, Downwind and Starts.

Talk 1
Talk 2
Talk 3

2012 Northerns
Spinnaker Rigging
Spinnaker Handling

Class Rules

The current class rules can be found here (pdf file)