With a top speed of 37mph for an improved ability to punch into bad weather, (a 2 engine version is shown for 40 plus mph speeds over deep water) and fuel use of less than 1 1/2 gallons per hour, this sev can haul up to 700lb payloads, 850 lb payload if lengthened to 16 feet, over big and small waters and like the Vanguard, has exceptional athletic abilities over rough terrain. A Three view drawing of Surveyor can be seen at this link.
Plans and instruction manual are available for $48US, including first class postage, US, Can. Mex. (Foreign, add $3.) Critical Parts for Surveyor such as propellers, fans, skirt material, drive hardware and foam for the composite hull construction are available from Sevtec.
Total cost of construction, including engine and critical parts kits for
Surveyor is $3000 to $3900, and some 120 to 400 man hours. Wide cockpit, two
engine prototype shown.
Susan and Les Sitsberger, of Medford, OR show their 16 foot Surveyor
in construction. The forward deck is built to be walked on. Some builders
might elevate the forward deck for better weather protection as well as an area
for stowage of seats and other light stuff to be kept out of the rain.
The hull
Hard Points for anchoring forward airdrive and guard in this wood free hull.
The hull aft, showing the added flotation aft and the thickened fiberglass to take screws
for the aft skirt.