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Bumper
Products by John Morgan

Overview
John Morgan makes some very nice, simple, inexpensive products for sailplanes.  For fun he flies a Schleicher ASH 26 and an Aviat Husky A1-B.



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How to Order
To order a product, click on the
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When you are ready to complete your order, click on the
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Click on the small images to view larger versions.

Part # Description Photo
(Click on images below to view large versions)

Price

Lead-time
Bumper-QuietVent Quiet Vent
The Quiet Vent is a very simple device which reduces noise from a Mecaplex flip-out window vent by 10 dba (as measured in ASH26E at 60 knots).

Quiet Vent Installation Guide


Note: The red area that is visible in the photos above is the plastic adhesive backing which is removed when the item is installed.  The Quiet Vent is clear.
$9 In Stock

 
Bumper-YawString-Red

MK IV Yaw String, Red
The MKIV Yaw String is an elegant and useful addition to any sailplane. 

Unfortunately, Bumper has decided to ramp-down the time he puts into these products. We sold too many of them... He has decided to only accept direct customer orders at bumperm@frontier.com.

Features of the MKIV "high tech" yaw string:

  • A clear turbulator base raises the yarn 0.038" above the canopy to reduce static cling or scratched canopy plastic.
  • Easy to remove for replacement leaving no tape residue.
  • Looks much nicer than tape and yarn.
  • Includes optional (meaning you can opt to install it or not install it) index dot.

Yaw String Installation Guide

  No Longer
Available
Here
 
Bumper-YawString-Blue

MK IV Yaw String, Blue
The MKIV Yaw String is an elegant and useful addition to any sailplane. 

Unfortunately, Bumper has decided to ramp-down the time he puts into these products. We sold too many of them... He has decided to only accept direct customer orders at bumperm@frontier.com.

Features of the MKIV "high tech" yaw string:

  • A clear turbulator base raises the yarn 0.038" above the canopy to reduce static cling or scratched canopy plastic.
  • Easy to remove for replacement leaving no tape residue.
  • Looks much nicer than tape and yarn.
  • Includes optional (meaning you can opt to install it or not install it) index dot.

Yaw String Installation Guide

  No Longer
Available
Here
 

Cumulus Soaring, Inc.
Paul E. Remde

8661 Connelly Place
Savage, Minnesota 55378
USA


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