It is true that NMEA 2000 is based on CANbus J1939. The engine PGNs are standard as used in automotive and truck applications. However NMEA uses...
Avia Onboard Software for NMEA 2000 The NMEA 2000 software we have devloped for both sail and power boats is nearing final release. A beta...
Avia Sailing is not intended to compete with Open Pilot or other Open Source projects. It is intended for less tech-savvy consumers, with the...
NMEA Display Aviadesign.com has a free tool to display which NMEA sentences are available on your network. Avia Sailing software provides a...
[IMG] Avia design has developed an inexpensive program to display sailing information (from NMEA 0183) on the screen of a laptop or other onboard...
I once went out to take photos of a friends recently launched 40' junk rigged boat. I took my 34' fractional sloop out, single handed. I sailed...
Ray Hunt 110 and 210 I think Ray Hunt did it better a LONG time ago with the 110 and 210 classes. http://www.210class.com
Self jigging boats I have designed a number of small (10 meter and under) power and sailing craft which were self jigging. All the parts were...
Peter Ibold I knew Peter Ibold back in the 1970s. I was in my 20s and he was quite bit older. I'm 61 now, so he might be dead...:(
Wave piercer The design is preliminary only, although we have done some model testing. The hull is almost a trimaran, with the central hull...
Wave piercing cat A 45 foot wave piercer I designed a couple of years ago. Grahame Shannon Avia Design Group
In the mid 80s I designed a line of steel hulled sailboats called Amazon, built by SP Metalcraft. These were not "experimental" but rather...
I hate to be a cynic--no wait I take that back--I like to be one! The most imaginative designs are invariably from those of little experience....
Costs will be in general proportional to displacement. Production boats cost $10 to $20 US per pound these days. $5 a pound is a reasonable cost...
I like the idea, but fear that it may be difficult to get sufficient stay tension to get the furling sails to set well. Unlike a conventional...
What keeps it upright? The shape looks as if it would fall over as soon as you try to float it, unless it has a very low CG (plenty of ballast...
The Cutter rig is less effective than a sloop of equal sail area BUT can often set more sail area. Racing rules measure sail area, so racing boats...
There is a simple way to get a good idea of a boat's performance. Many yacht clubs which hold races under PHRF ratings publish then on the net....
Weather Helm Cures Years ago a client complained of extreme wether helm on his Roberts 36 (log keel, attached rudder. Before I even looked at the...
Hi Vega, The conclusions you reached about sail versus power are most interesting. I'm a lifelong sailor, and until last year had never owned a...
