BRUCE'S CUSTOM COVERS18850 Adams CtMorgan Hill, CA 95037www.aircraftcovers.com

Phone: 408/738-3959Toll Free (U.S.): 800/777-6405

Fax: 408/738-2729Email: bruce@aircraftcovers.com

a div. of Aircraft Covers Inc. manufacturer of the finest custom-made aircraft covers

Tech Sheet: Enstrom F28A, F28C(enstrom-F28A.pdf)

Enstrom 280FX Bubble, Main Rotor Mast, Tail Rotor Covers on Enstrom F28OFX

The Enstrom F28A, F28C Bubble Cover helps reduce damage to the upholstery and avionics caused by excessive heatand can eliminate problems caused by leaking door and window seals. They keep the windshield and window surfacesclean and help prevent vandalism and theft.

The Bubble Cover encloses the entire canopy including the windshield, skylights, and chin bubble Attachment buckles aremade of nonmetal Delrin, designed for rugged outdoor use. Both the top and bottom hems of the cover have a specialrope-hem feature with which they can be tightened to help prevent abrasive chafing of the windshield. Pockets are sewn intothe cover for the temperature probe and pitot tubes. The bubble cover is reinforced with patches at hinge points, doorhandles, and for the windshield wipers. For ease of installation, the bubble cover is color-coded (red=left, green=right) withcolor swatches sewn into the corners.

Each Bubble Cover is normally made from Silver Acrylic Sunbrella or Silver Solution-Dyed Polyester and is lined 100% witha soft and smooth microfiber. Bruce's Custom Covers developed this material combination especially for aircraftprotection. The outer material is medium weight and treated for water resistance, UV resistance and anti-static buildup. Theinner lining is a very soft and smooth microfiber to prevent scratching. The materials are extremely UV reflective, and testsshow that the cabin interior temperature can be reduced to near-ambient temperature on even the hottest of days. It iswater, ice and snow repellent, yet breathable enough to allow moisture to escape from between the cover and the aircraftsurface. Our materials do not contain hydrocarbon compounds that can harm Plexiglas windshields and acrylic finishes.Other colors are available. Please [contact us](/contact) for availability and price. We also have an ultra lightweight materialavailable for fitted hangar dust covers.

Engine Cover details vary by model, but generally these covers are designed to enclose and protect the swash plate, inlet,

Technical Sheet: Enstrom F28A, F28C Page 1

exhaust and engine access areas. They are designed to tighten up around the main rotor drive shaft and tailboombottleneck areas, and attach securely with straps either under the belly or to the land gear cross tubes (or both). Delrinbuckles are used to tighten the attachment straps. The engine cover is made of Solution-Dyed Polyester or acrylic Sunbrella, and is available in a variety of colors ([contact us for details](/contact). Specific information for each model isavailable on request.

The Enstrom F28A, F28C Insulated Engine Cover is made with a thicker, quilted, water-repellent, and breathable materialthat is insulated on the inside. The Insulated Engine Cover works well in cold climates to help with engine preheating.

Rotor Hub Covers overlaps with the Blade Covers to ensure complete protection for the entire main rotor system. Designedlike a jacket with sleeves and no collar, the rotor hub cover fastens together below each blade with Delrin buckles. The RotorHub Cover is normally made from Solution-Dyed Polyester.

The Enstrom F28A, F28C Blade Covers are sewn of medium weight Solution-Dyed Polyester. Cut "full" toavoid trim tabs, Blade Covers can be installed from the ground with the aid of lightweight rope which is attached to the openend. Covers are cinched tight at the blade root with straps and quick-release plastic buckles. A small opening at the tip ofthe cover allows for some air circulation and drainage. For operations in extremely cold weather, the Cold Weather BladeCovers are fitted with full length zippers, and with optional "boots" designed to accept a preheater hose.

Blade Tie-Downs are "socks" which fit over the blade tip with or without Blade Covers installed. Front bladetie-downs have two lengths of rope or strap which attaches to the front cross tubes on either side of the cabin. The othertie-downs have generous lengths of rope or strap to tie the blades down at any convenient spot.

The Enstrom F28A, F28C Tail Rotor Cover is a one-piece design which encloses both the blades and their hub, snappingclosed along the bottom edge. The tail rotor cover is normally made from Solution-Dyed Polyester.

Tail Rotor Tie-Downs are a similar design to the main blade tie-downs. Stout bungee cords attached to the tie-down sockspull the rotor tips back toward the hub, pulling the tail rotor back to a secure position.

The Tailboom Cover details vary by model, but generally the helicopter tail boom cover encloses the tail boom from the"bottleneck" to the aft end. They usually also cover the horizontal stabilizers, and are custom made to allow forantennae, lights, and other protrusions. They attach with straps underneath the tail boom. Covers for the vertical andhorizontal stabilizers are also available separately. Specific information for each model is available on request.

Heatshield Interior Reflectors are made of a special laminate of metallized polyester film and closed cell foam. Less than1/8" thick, the Reflector can roll up and store in a sleeve, yet is stiff enough when flat to stand up against thewindshield using the sun visors and window framing only. On some designs no Velcro or suction cups are necessary. Heatshields are an excellent short-term remedy for cockpit overheating, but use the Bubble Cover for more effective andpractical long term protection. Heatshields should not be used on polarized windows.

The Enstrom F28A, F28C Lightweight Travel Bubble Cover is the same design as our standard bubble cover, but thematerial used is very lightwieight and will fold up and store in a smaller space.

Enstrom F28F Bubble Cover Enstrom 480 Bubble Cover

Enstrom 480 Bubble Cover Enstrom 280FX Bubble Cover, Rotor Mast Cover

Enstrom 280FX Bubble, Engine, Tailboom, Main & Tail Rotor Covers (280FX shown)

Bubble, Engine, Tailboom, Main & Tail Rotor Covers (F28F shown)

Technical Sheet: Enstrom F28A, F28C Page 3

Current Products List (as of 9/6/18) Description Part No. Price

BUBBLE COVER "FLAT NOSE" F28A-000 $715.00

ENGINE COVER F28A-100 $545.00

INSULATED ENGINE COVER F28A-105 $760.00

ROTOR HUB COVER F28A-300 $255.00

BLADE COVERS (set of 3) F28A-400 $470.00

BLADE COVERS (COLD WEATHER TYPE) (set of 3) F28A-410 $715.00

BLADE TIE-DOWNS (set of 3) F28A-500 $215.00

TAIL ROTOR COVER F28A-600 $180.00

TAIL ROTOR TIE-DOWN F28A-601 $90.00

TAILBOOM COVER F28A-150 $715.00

HEATSHIELD SET "FLAT NOSE" (set of 4) F28A-910 $330.00

TRAVEL COVER, Light Weight Travel Bubble Cover "FLAT

NOSE" F28A-800 $570.00

Prices subject to change. Other Covers and Design Alterations: Prices on request.

Prices are FOB Morgan Hill, CA. Sales tax on orders shipped to California addresses. Orders take approximately 3

weeks to complete. For domestic orders we normally ship by UPS ground service. Next day shipping and air parcel

post is available on request. We can take payment by Visa, Mastercard, American Express, or Discover.

Bruce's Custom Covers offers protective covers and plugs for virtually every type of airplane, jet and helicopter. If

you have questions about our products please call any time TOLL FREE: 800/777-6405, or FAX: 408/738-2729.

Technical Sheet: Enstrom F28A, F28C Page 4

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