Electric winch on crossbeam.
Electric winch to lower mast under forestay attachment
Mast lowered flat on roof, the two poles can also be lowered.
Mast resting on crutches ready to go under bridge.
Now imagine looking down on the sailing rigs from directly overhead and evaluating the cross-sections at various vertical levels ( I probably...
We know that the restriction presented by the slot tends to divert more air around the two sides of the slot, i.e. the windward side of the main...
42' Motorsailer Layout View
Two different rig options for motorsailing cat. Here a 'single-masted ketch' mast aft rig
The original masthead was able to be used on the extension even though it was somewhat smaller in cross section. The cheek block and extra...
This shows the joint of the mast extension. Pop rivets were used in addition to the through bolts for the stays. The two strips shown act...
After proving the ability of the Irwin 23 to carry the larger Star Class mainsail by using a sliding gunter rig, a 5' permanent mast...
Olaf Harken's advanced sailing project with bi-pod mast
Being proud of our record. 24 m. long 55 cm. at partners and 2695 kgr.
