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2005 Dobbertin HydroCar (DHC)

Amphibious Craft - 572 All-Aluminum Chevy - 762hp
 

DHC - Title.JPG

- SPECIFICATIONS -
 

BODY AND SPONSON SKINS

5086 Marine Grade Aluminum

 

MAIN FRAME

304 Stainless Steel

 

SPONSON FRAMES

6061-T6 aluminum

 

ENGINE

Chevrolet Merlin All-Aluminum 572 / 762

Horsepower - 762 @ 5,500 rpm

Torque - 650 @ 4,500 rpm

 

TRANSMISSION

PATC ‘Quadzilla’ 4-L80E with O/D

 

TRANSFER CASE

Atlas Gear Drive

 

LAND DRIVETRAIN

Currie Aluminum Dana 60 - Front

 

SUSPENSION

Adjustable air bags with 4-link suspension

 

BRAKES

4-wheel power disc

 

SEA DRIVETRAIN

Arneson Surface Drive with 4-Blade Stainless Steel Prop

 

DIMENSIONS

Wheelbase 138 inches (11.5 feet)

Length - 240 inches (20.0 feet)

Width - 96 inches (8 feet)

Height - (Land) 58 inches (65” including the wing)

Height - (Water) 50 inches (57” including the wing)

Weight - (wet) 7,250 pounds

Ground clearance - Adjustable 6 to 10 inches

Draft - 14 inches

Weight distribution - (F – R) 47% – 53%

 

CAPACITIES

Fuel - 30 US gallons

Coolant - 6 gallons

Oil - 8 quarts

 

ADDITIONAL EQUIPMENT

Full instrumentation including a Speedometer,

Tachometer, Water temp, Oil pressure and Air pressure gauges,

Tinted windows, AM/FM/CD Radio, Cassett Player, Heater, Defroster,

G P S, Depth finder, Cruise control, Heater, Defroster, 

Power disc brakes, Power steering, Tilt steering wheel,

All-Season radial tires, Air adjustable suspension,

Hidden Headlights, Air conditioning, Intermittent wipers,

Security system, Auxiliary exterior lighting,

Additional seating for 6, Roof mounted wing,

Custom paint accents.


- PHOTO GALLERY -
 

- FACTS AND HISTORY -
 
  • To be blunt, the HydroCar never performed as I hoped it would. 

 

  • It's a good example of "You win a few... You lose a few."

 

  • I think it was a combination of it being overweight along with

     the design of the front end, which was too steep for the car to get up on plane.

 

  • If you look at some of the pictures, you'll see that it acts more like a displacement hull - pushing a lot of water in front of it - rather than going up and over the 'hump' like a planing hull.

 

  • I launched it three times and even after some pretty extensive modifications, it still wouldn't get 'up on plane'.

  • We were thinking about towing it up to speed with another boat, getting it over the 'hump' then dropping the tow line and seeing what type of a top speed we could get out of it.

  • I was ready to make a few more upgrades when I found a buyer for it. 

 

  • I was completely honest about its performance and found that he wanted it for more of a 'showpiece' than a performance craft.

Still, to this day I wonder if the last few changes might have made a difference.

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