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The Groen Brothers Hawk 4 Bubble Cover helps reduce damage to the upholstery and avionics caused by excessive heat and can eliminate problems caused by leaking door and window seals. They keep the windshield and window surfaces clean and help prevent vandalism and theft.... read more
The Bubble Cover encloses the entire canopy including the windshield, skylights, and chin bubble Attachment buckles are made of nonmetal Delrin, designed for rugged outdoor use. Both the top and bottom hems of the cover have a special rope-hem feature with which they can be tightened to help prevent abrasive chafing of the windshield. Pockets are sewn into the cover for the temperature probe and pitot tubes. The bubble cover is reinforced with patches at hinge points, door handles, and for the windshield wipers. For ease of installation, the bubble cover is color-coded (red=left, green=right) with color swatches sewn into the corners.... read more
Each Bubble Cover is normally made from Silver Acrylic Sunbrella or Silver Solution-Dyed Polyester and is lined 100% with a soft and smooth microfiber. Bruce's Custom Covers developed this material combination especially for aircraft protection. The outer material is medium weight and treated for water resistance, UV resistance and anti-static buildup. The inner lining is a very soft and smooth microfiber to prevent scratching. The materials are extremely UV reflective, and tests show that the cabin interior temperature can be reduced to near-ambient temperature on even the hottest of days. It is water, ice and snow repellent, yet breathable enough to allow moisture to escape from between the cover and the aircraft surface. Our materials do not contain hydrocarbon compounds that can harm Plexiglas windshields and acrylic finishes. Other colors are available. Please contact us for availability and price. We also have an ultra lightweight material available for fitted hangar dust covers.... read more
BLADE COVERS (set of 2)
The Groen Brothers Hawk 4 Blade Covers are sewn of medium weight Solution-Dyed Polyester. Cut "full" to avoid trim tabs, Blade Covers can be installed from the ground with the aid of lightweight rope which is attached to the open end. Covers are cinched tight at the blade root with straps and quick-release plastic buckles. A small opening at the tip of the cover allows for some air circulation and drainage. For operations in extremely cold weather, the Cold Weather Blade Covers are fitted with full length zippers, and with optional "boots" designed to accept a preheater hose.... read more
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TRAVEL COVER, Light Weight Travel Bubble Cover
The Groen Brothers Hawk 4 Lightweight Travel Bubble Cover is the same design as our standard bubble cover, but the material used is very lightwieight and will fold up and store in a smaller space.... read more
NOTE: To preserve their light weight, Travel Covers have a soft lining in selected areas only.
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general aviation > helicopters | gyrocopters