Renegade Iceboat Information, Review, Specs

Renegade Iceboat Drawing
Make
Renegade
Model
Iceboat
Builder
Designer
Elmer Millenbach
Number Built
Production Year(s)
1947 - ??

The Renegade Iceboat is a legendary figure in the world of hard-water sailing, representing a pivotal shift in ice yacht design from the massive, heavy stern-steerers of the early 20th century to the agile, high-performance craft of the modern era. Designed in 1947 by the legendary Elmer Millenbach, the Renegade was conceived as a highly portable yet powerful racing machine. It occupies a unique niche in the iceboating hierarchy, sitting comfortably between the smaller, more ubiquitous DN (Detroit News) class and the much larger, multi-crewed stern-steerers or Skeeters. As a strict one-design class, the Renegade ensures that racing remains a test of pilot skill and tuning rather than a spending war. According to the International Renegade Ice Yacht Association, the boat's enduring popularity is rooted in its specific dimensions: a roughly 11-foot hull, an 8-foot runner plank, and a 16-foot mast, creating a power-to-weight ratio that allows it to dominate in light to moderate winds where heavier boats might struggle to "break away."

Sailing Performance & Handling

Sailing a Renegade is an exercise in managing extreme apparent wind. Because the boat encounters very little friction on the ice compared to a hull in water, it quickly generates speeds that are multiples of the true wind speed, often reaching 50 to 60 mph in a stiff breeze. Handling is characterized by the boat's "front-steering" configuration, which prevents the terrifying "spin-outs" common in older stern-steering designs.

The Renegade is known for being a "technical" boat. Pilots must master the art of the "hike"—where the windward runner lifts off the ice. While a slight hike indicates maximum power, an excessive hike leads to a loss of speed and potential capsizing. Unlike the smaller DN, which uses a highly flexible spar to de-power, the Renegade utilizes a more robust rig that requires precise runner alignment and plank flex to maintain contact with the ice. Research from the Four Lakes Ice Yacht Club notes that the Renegade is particularly respected for its "low-end" performance, meaning it can start moving in as little as 4-5 mph of wind, a trait that makes it a favorite on the inland lakes of the American Midwest.

The Renegade’s cultural footprint is inextricably linked to its creator, Elmer Millenbach. For decades, Millenbach was nearly unbeatable in the class he created, and his meticulous craftsmanship set the standard for all future builds. The boat is a frequent subject of technical analysis in specialized publications like Sailing World, which has historically covered the International Renegade Championship. While it lacks the mainstream Hollywood presence of larger offshore yachts, within the iceboating community, the Renegade is often referred to as the "Gentleman’s Class"—large enough to be comfortable and powerful, but small enough for a single person to load onto a roof rack or small trailer.

Known Issues & Buyer’s Checklist

Purchasing a used Renegade requires a specialized eye, as these vessels endure extreme structural loads at high speeds.

  1. Runner Plank Integrity: The "spring" of the runner plank is vital. Buyers should inspect the sitka spruce or composite laminate for horizontal cracks or "checking," which indicates the wood fibers have been overstressed. A "dead" plank that has lost its flexibility will significantly hinder the boat’s ability to handle gusts.
  2. Runner Alignment: The steel-edged runners must be perfectly parallel. Any "toe-in" or "toe-out" creates massive drag and can be felt as a vibration through the steering. Check the pivot bolts for slop or wear in the chocks.
  3. Mast Step and Stay Tangs: High-tension stays can cause the mast step to compress or the wood around the stay tangs to delaminate. Inspect these areas for any signs of crushing or moisture intrusion.
  4. Hull Glue Lines: Many older Renegades were built using resorcinol or early epoxies. Ensure that the glue lines along the "box" construction of the hull remain tight and show no signs of separation, particularly near the cockpit where the pilot's weight is concentrated.

Community & Resources

The Renegade community is tightly knit and centered primarily around the Great Lakes and the Northeastern United States. The International Renegade Ice Yacht Association is the primary governing body, maintaining the official blueprints and scantlings for the class. For technical builders' tips and regional racing schedules, the Four Lakes Ice Yacht Club provides extensive archives and forum-style insights into the maintenance of these vintage and modern wood-epoxy machines.

The Verdict

The Renegade Iceboat is a masterpiece of mid-century aerodynamic engineering that remains as relevant today as it was in 1947. It is the ideal choice for the sailor who seeks high-speed thrills and the camaraderie of a dedicated one-design fleet without the logistical burden of a multi-crew vessel.

Pros

  • Exceptional Light-Air Speed: Capable of sailing when most other iceboats are stationary.
  • One-Design Stability: Strict rules ensure the boat does not become obsolete due to technological "arms races."
  • Portability: Can be disassembled and transported by one person with a well-designed trailer or roof rack.

Cons

  • Technical Learning Curve: Front-steering and apparent wind management require significant practice to master safely.
  • Maintenance Intensive: Like all high-performance wooden craft, it requires climate-controlled storage and regular varnish/structural upkeep.
  • Limited Venue Depth: Best suited for smooth "black ice"; deep snow or rough "shell ice" can be difficult for its specific runner profile.

Measurements

Construction & Hull

Construction Material
Wood
Hull Type
Iceboat Sailboat
Keel Type
Ballast
-
Displacement
-
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
20 ft
Waterline Length (LWL)
-
Beam
10 ft
Draft
-
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Cat Rig
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Sail Area
67 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
Ballast / Displacement Ratio
Displacement / Length Ratio (D/L) Ratio
Comfort Ratio
Capsize Screening Formula
Hull Speed
— kn