MI-830 Family of RCS Pylons · MI-830 RCS pylons incorporate several features to minimize their...

Test with ConfidenceTM

TheMI-830FamilyofRCSPylonsaresafewithreliabletargetsupport.Theycoverawiderangeofheightsandboastloadcapacitiesupto30,000lbs(13,608kg).Apolishedaluminumogiveshapeisusedforlimitedreflections.

DescriptionStandardpylonshavetargetloadcapacitiesof500lb(227kg),1500lb(680kg),and3,000lb(1,361kg).Standardtwo-axisrotatorsofcorrespondingcapacitiesareavailableforallMI-830pylons.Pylonheightsrangefrom5ft(1.5m)to70ft(21.3m),andmaybetailoredtoacustomer’sspecificapplication.Thestructureistypicallyofpolishedaluminummonocoquedesign,withanogivecrosssectionof4:1ratio.Extremelylargeorspecialpurposepylonsmayhavedifferentshapes,ogiveratios,orconstructionmaterial.Extremeheightsandloadcapacitiesarealsoavailable,wellover70ft(21.3m),andupto50,000lb(22,680kg).

Forpylon/rotatorsystemsupto3,000lb(1,361kg),thepylonandrotatorareeasilyseparable.Thisislesstrueforverylargepylonsandrotatorsduetothegreatercomplexityoftheirstructuralconnection.Themechanicalinterfacebetweenrotatorandpyloniscarefullyconstructedasacontinuousandsmoothsurface.Removalandinstallationoftherotatorinmostcasesisfacilitatedbyanaccesspanellocatedatthebaseofthepylon.Thefastenersthatattachtherotatorarebroughttothebaseofthepylonwheretheaccesspanelwillnotinterruptthepolishedsurfacewhereitmattersmost–withintheelectromagnetictestzone.Allelectricalandfiberopticservicesarecontainedwithinthepylon.

MI-830RCSpylonsincorporateseveralfeaturestominimizetheirradarcrosssection.Thepylonaxisistypicallytiltedforward30ºfromvertical.Thereisanincludedangleof10ºbetweentheleadingandtrailingedges,whicharesharpenedtoaradiusof.003in-.007in(.08mm-.18mm)dependingonpylonsize.Edgestraightnessisheldtoclosetolerances.RFenergyreflectedfromthepylonisspecularbyvirtueofthe63microinchRMSsurfacefinishoftheouterskin.

ApplicationTheMI-830familyofRCSpylonsistypicallyusedinacompactrangeorfarfieldsystemtomeasuretheradarsignatureofatarget.TheroleofthepylonistoplacetheMI-840rotatorandtargetatthedesiredheightfortesting,whilecontributingminimallytoanyenergythatmaybereflectedbackintotheRFmeasurementsystem.

MI-830 Family of RCS Pylons

1125 Satellite Blvd, Suite 100 | Suwanee, Georgia 30024-4629 USAPH: +1-678-475-8300 | FX: 1-678-542-2601All products and their specifications subject to change without notice.© Copyright 2012, all rights reserved, MI Technologies DS-830-1.1/1/12

SpecificationsModel MI-831 MI-833 MI-837

Load Capacity1 1500 lbs (680 kg) 3000 lbs (1,360 kg) 30,000 lbs (13,608 kg)Height2 5 to 70 ft (1.6 to 21.3 m) 5 ft to 70 ft (1.6 m to 21.3 m ) 70+ ft (21.3 m)

Ogive Ratio 4:1 4:1 6.5:1

Surface Finish 63 micro-inches RMS (17 micrometers)

63 micro-inches RMS (17 micrometers)

Edge Sharpness 0.005 in radius 0.005 in radius 0.007 in radius

1 All capacities are target loads. Other capacities not shown are available.2 Virtually any height up to 70 ft is available. Taller pylons are possible.

Related Products• MI-710PositionControlSystem• MI-840FamilyofRotators• MI-500FamilyofCompactRangeReflectors• MI-3048RCSAnalysisSoftware• MI-350AdvancedMicrowaveMeasurementSystem

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