Aircraft Spruce & Specialty Co.
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Overview
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Finally a reliable Gap Seal for rudder and elevator of your aerobatic aircraft! Hundreds of aerobatic aircraft have been equipped with this Gap Seal. It has been proven and continually tested since 1979. Designed specially for Pitts S-1S, S-1T, S-2A, S-2S, S-2B , S-2C and Christen Eagle aerobatic aircraft. It can also be used on other aerobatic aircraft if the horizontal stabilizer, elevator, vertical fin and rudder spar is made from a 7/8 inch diameter tube with at least 1/8 inch gap and is equipped with strap hinges. Various aerobatic homebuilt aircraft such as homebuilt Pitts S-1, Pitts S-1-11, Pitts Model 12, DR-107 "One Design", Stephens Acro, Laser, and Skybolt have used this Gap Seal system NOTE; The Gap Seal is not designed for tail surfaces that are Pin Hinged however some homebuilt aircraft (Pitts S-1C) with pin hinges have been used successfully. The Gap Seal comes in 3 foot strips, it is cut and glued to the trailing edge of the Horizontal Stabilizer and vertical fin. Any good quality contact cement (Pliabond, Weldwood Contact Cement, 3-M Weather Strip Cement) is used to bond the Gap Seal to the trailing edges. Determine how many 3 foot strips are required for your aircraft. Typically 3 strips for Pitts S-1, 4 strips for Pitts S-2 and Eagle, 5 strips for Pitts Model 12 |
Reviews
Installed easily on the rudder and elevator of my Just Superstol. Seals gap nicely and efficiently. Notice a bit more elevator authority at low speed and VSo touchdowns.
Expensive but very good.
All good and delivered very fast appreciated
Nice material, easy to cut to length. Accepts contact cement. Some minor feedback to control stick noticeable at full control deflection. Works well.
Q&A
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Per vendor, you have to remove the control surfaces and glue the Gap Seal onto the trailing edges of the vertical and horizontal stabilizers.
This gap seal is black.
These are priced and sold in pre-cut 3' foot sections. Order quantity 3 will ship 3 individual 3 foot sections, not a 9 foot continuous piece.
The weight of a 3 foot piece of gap seal is approximately 0.50 lbs.
The inside diameter of the seal is 3/4". Total width is 13/16".
Recommended to clean them often to prevent dirt from rubbing the paint. Armorall works great for cleaning as well as providing a bit of lubricant.
The Gap Seal is made from Buna -N. It stands up to the elements as well as fuel and oil.
