- Space Electronics
Space Electronics LLC is a company based in
Connecticutthat specializes in mass propertiesmeasurement instruments.
Dick Boynton founded Space Electronics in 1959 while attending graduate courses at
Yale University. The company existed in Dick's basement and garage in Yalesville, Connecticut. He later moved the company to a storefront in Meriden, Connecticut.
Space Electronics designed and built a variety of products including:
*Flicker Fusion Tester to measure the human eye's response to pulsating light,
*Wire Marker that painted colored bands on telephone wire as it passed through the extruding machine,
*Antenna Drive responsible for aiming a large Yagi antenna used for astronomical research. The company made at least seven of these, and they were installed at NASA sites around the world,
*Astronomical Position Computer, an analog computer that kept track of the positions of various planets and the sun. The computer also controlled the antenna drive.
*Spectral Photometer, an optical/mechanical device that was attached to an astronomical telescope and analyzed the light coming from a single object.
*Radiometer, an electronic device that analyzed the signal received by a radio telescope.
*10,000 lb Rocket Thrust Stand to measure the various force components produced by a rocket motor when it was test fired on the ground. A built-in deadweight calibrator was used to assure its accuracy. The system was installed at Edwards Air Force Base in California .
*2000 lb Gas Bearing
Moment of InertiaMachine sold to NASA and installed in their facility in Greenbelt , MD.
*8000 lb Gas Bearing
Moment of InertiaMachine sold to a balancing machine manufacturer. They mounted it on top of one of their static balancers and sold it to their customer as a combination Center of Gravity- Moment of Inertiamachine.
In the 1970s, Dick Boynton moved Space Electronics to office and manufacturing space in Wallingford , CT. At this location, they continued to design and sell new instruments including:
Moment of Inertiamachine. Dick received a patentfor the basic design which suspends the instrument spindle from the middle of a long torsion rod which is fixed at its ends and held in tension. Both gas bearing (XKR series) and ball bearing (XR series) models were designed and built for test parts weighing from 0.001 lb to 250 lb.
*Special high-accuracy gas-bearing
Moment of Inertiafor testing a kinetic kill vehicle,
*The first static
Center of Gravitymeasuring machine: accuracy was 0.0005 inch for a 40 lb part,
*3000 lb and 8,000 lb gas bearing
Moment of Inertiamachines,
*1000 lb spherical gas bearing
Center of Gravityand Moment of Inertiamachine,
*1000 lb vertical axis rocket thrust stand for a rotating part,
*Early gas bearing
Center of Gravitymachines: Several of these were used for balancing gimbaled seekers,
*Vibration meters that included frequency analysis,
*Modifications and improvements to a high-level low-frequency sound test facility installed at
Wright-Patterson Air Force Base. This was originally intended for Apollo astronauttesting and was ultimately used for calibrating microphones for airport sound level studies, air bag deployment studies and pilot efficiency studies.
As the design of the
center of gravityand moment of inertiamachines evolved, Space Electronics started incorporating Hewlett-Packardcalculators and desktop computers into mass properties measurement systems. These machines gradually became more automatic, and more sophisticated data reduction was built into the software.
In the 1980s, Dick moved Space Electronics to Meriden , CT. At this location, the company developed:
*The first 5000 lb spherical gas bearing
Center of Gravity/ Moment of Inertiamachine,
*A vertical-axis dynamic balancing machines in 300 lb to 2200 lb sizes,
*An all-mechanical longitudinal
center of gravitymachine for live Patriot warheads
*A wide range of Gimbal Balance Machines using force rebalance technology many of which incorporated weight correction software and closed loop control of the test part.
*Many multiple-channel electrical test devices for both explosive and non-explosive test items,
*Portable digital igniter circuit testers. After gaining approval by the US Navy, the tester was sold to installations throughout the world,
*13,200 lb capacity gas bearing
moment of inertiaand center of gravitymachine for NASDA, the Japanese space agency (now called JAXA),
*Measurement stand to test the alignment of mounting shoes on air-to-air missiles,
*Non-contact alignment and measurement stand using laser technology
The company continued to enhance their automated mass properties products by switching to IBM compatible computers for instrument control and data reduction, and incorporating force-rebalance transducers into the design.
In 1989, Space Electronics moved to a new convert|24000|sqft|m2|-2|abbr=on building in Berlin, CT. At this location, the team at Space Electronics developed a process for measuring MOI in a helium atmosphere, allowing the operator to extrapolate the true MOI values for a body in the vacuum of space without having to measure in a vacuum. Advances in standard products continued with the development of software to run in the Microsoft Windows operating environment.
In the 1990s, Space Electronics designed and built:
*Single and three axis turbine blade moment weighing machines for a wide range of blade weights and moments.
*Software, techniques, and fixtures to allow POI measurement on an MOI machine.
*Centrifuges with 200 lb capacity and 400 g maximum force
*Spherical gas bearings for space simulation
*New spin balance machines using quartz force transducers for dynamic unbalance measurement and force rebalance transducers for static measurement. 50 lb, 300 lb, 1000 lb, 3500 lb, 12000 lb machines have been built.
*Horizontal gas bearing spindles for inertial spin decay measurement
*Large L-Fixtures for static CG and
MOImeasurement of satellites
*Weight and CG tables ranging from 30 lb to 10,000 lb capacity using both strain gauge and force rebalance transducers.
*Tri-axis gas bearings with 10,000 lb capacity and unlimited rotation about two axes (third axis rotation was limited to +/- 30 degrees.
*Precision Weight and CG for small parts with 2.5 g-mm accuracy
*New and unique turbine blade adaptors that yield improved repeatability and simplified blade insertion.
*Developed a new method for measuring CG that significantly increases measurement speed. A high-speed feature was added to the larger machines of the KSR series mass properties instruments.
In the 2000s, Space Electronics designed and built:
moment of inertiaand center of gravitymachines with 22,000 lb payload capacity.
*Scripting software that enable engineers to define automated sequences for the operators to follow in order to measure various test objects.
KSR: these new mass properties instruments reduce the measurement time by three.
SAWE, Society of Allied Weight Engineers
* [http://www.space-electronics.com Space Electronics]
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