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Digital Scale Systems from

Intercomp Weighing Systems
Intercomp offers a high quality weighing systems.  Most of the systems sold so far have been purchased by individuals and groups who have made them available (for a small fee) to their local aviation communities.  Details, photos and pricing are available below.

The Problem
It always seems difficult to round up scales for weighing gliders and airplanes.  It is my opinion that many gliders and airplanes have not been weighed in a very long time, mainly because it is difficult to arrange for the availability of scales. Since gliders and aircraft tend to pickup weight over time and it tends to make them more tail heavy, it can be a real safety concern.

The Solution
I've done some research into digital scale systems.  Sailplanes in particular have some unique requirements for weighing systems.  The total weight can be quite high with water ballast, yet the tailwheel can be quite light and must be weighed accurately to assure that the weight and balance is correct.
  It was difficult to find a system that offers the capacity and accuracy required, but I have found a fantastic solution.  It consists of a digital weighing system from Intercomp.  The system comes with scale pads that are only 2.25 inches tall. Each platform is 15" x 15" x 2.25". They are connected wirelessly to a display terminal which can display the total weight as well as the weight on every individual pad. The display comes with a case.  Ramps can also be purchased as a set - making it easy to roll gliders and towplanes up onto the pads.  Each pad can measure up to 1500 lb.  The resolution of the display is 1 lb and the systems are certified to an accuracy of 0.1%.

Why 4 scale pads?
Most sailplanes can be weighed using only 2 pads - so why does the SW650RFX system include 4 pads?  There are two reasons.  First, many customers would like to use the system to weigh their towplane as well as their sailplane - which would require three pads. Second, some two-seat open-class gliders and motorgliders weigh more than 1,500 lbs and would require that two pads be used to weigh the main gear. The other reason is that the system was designed for weighing race cars.

Calibration
Annual calibration is required and can be performed at the factory in Minneapolis, Minnesota or at a scale distributor in your area.  Annual calibration for my SW650RFX system cost about $100 in 2013 at a local scale distributor.

Rental System
I have an Intercomp SW650RFX scale system available for rental to MN aircraft owners and commercial operators. You can see details here: http://www.cumulus-soaring.com/soarmn/gliderscales.htm

Part # Description

Photo
(Click on photos to view larger versions)

Price

Lead-time

SW650RFX Wireless Digital Quik Weigh Scale
Accurate digital scale system. Total capacity: 6000 lb, Resolution 1 lb or 0.5 Kg

Features

  • Accurate
  • Wireless technology makes the system easy-to-use and reliable - no cables or connectors to fail
  • Operation on standard AA batteries makes the system portable
  • Large display shows the weight on all 4 pads and the total at all times
  • Large 0.5" display characters
  • Units of Pounds or KG (easy to switch)

Includes:

  • 4 scale pads, 1500 lb (675 kg) capacity per pad
  • Digital Display with case
  • 110V wall power supply for display - to be used only when the internal battery is dead and removed
  • Batteries for display and scale pads included

Pad Dimensions: 15" x 15" x 2.25" (381 x 381 x 57 mm)

Warranty: 2 years

Shipping Weight: 120 lbs

$1695

1 Day

 

100342 Ramp Set, 2.25 x 15 x 15, set of 4
4 single-stage aluminum ramps for use with the SW650RFX weighing system
Dimensions: 15" x 15" x 2.25" (381 x 381 x 57 mm)



 

$495

3
weeks

Cumulus Soaring, Inc.
Paul E. Remde

8661 Connelly Place
Savage, Minnesota 55378
USA


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