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SteppIR CrankIR Скачать руководство пользователя страница 6

SteppIR Antennas



2112 116th Ave NE #1-5, Bellevue, WA 98004



Tel: 425.453.1910



www.steppir.com

Page 6

The CrankIR is a lightweight, high
performance, extremely portable antenna
that is suitable for use both in the field or
at home when stealth operation is desired.
The entire antenna collapses down to less
than 24” and can be assembled and on the
air in less than ten minutes.

The basic CrankIR model covers from 40m
– 2m and has a power rating of 1500 watts.
The vertical radiator is supported by the
included 16’ fiberglass pole consisting of
ten sections, which when collapsed is 23”
long.  For 80m capability we offer the 80m
Option Kit (PN 06415) which includes
fiberglass extension tubes and a longer
wire on the optional Radial Unit (PN
06401), see previous page. The antenna
uses highly flexible 18 gauge copper wire
for the radiating elements resulting in
lightweight and high efficiency.  This
antenna is quickly and easily manually
tuned by adjusting the hand cranked wire
reels.

The element wire is marked with color-
coded band indicators (see pg. 13), to
select a band simply run the wire in or out
until the appropriate marker appears just
above the Wire Guide Block.

High efficiency is achieved by design; there
are no coils, only capacity hat type

resonating is used. There are no matching
networks; matching is accomplished by
very low loss off-center feeding.  When the
vertical radiator is shorter than 1/4
wavelength (WL) the impedance drops
significantly which then requires some way
to match the lower antenna impedance to
the 50 ohm transmitter.  On the CrankIR,
matching is done by off-center feeding the
antenna.  This is accomplished by
extending the radial much longer than the
normal 1/4 WL. By simply moving the
feedpoint away from the center, a higher
impedance is obtained with very little loss.
The farther you move from the center the
higher the impedance is.  This method
does result in increased imbalance so we
provide a specially designed balun to
insure the RF does not go down the
feedline.  Our patented loop element
design resonates the antenna without the
use of lossy coils.  This results in a higher
radiation resistance (by a factor of up to
2:1) than the same amount of coil loading;
this, in turn, increases antenna efficiency.

1. CRANKIR INTRODUCTION

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Содержание CrankIR

Страница 1: ...anual SteppIR Antennas 2112 116th Ave NE 1 5 Bellevue WA 98004 Tel 425 453 1910 www steppir com This assembly manual is intended to be printed in full COLOR If the manual is printed in black and white many im portant details could be lost Rev 2 1b 20161121 ...

Страница 2: ...910 www steppir com Page 2 TABLE OF CONTENTS 1 CrankIR Introduction 6 2 Operation Controls 8 3 Getting Started 16 4 Radial Set Up 25 5 Tuning the CrankIR 32 6 Pole Extension Kit 34 7 Taking Down the Antenna 38 8 Troubleshooting 40 9 Operation Tips 44 10 Specifications 46 ...

Страница 3: ...AN CAUSE LETHAL VOLTAGES IN THE ANTENNA FOLLOW THE GUIDELINES FOR ANTENNA INSTALLATIONS RECOMMENDED BY THE U S CONSUMER PRODUCT SAFETY COMMISSION EXTREME CARE MUST BE USED FOR YOUR SAFETY YOU MUST INSURE THAT WHILE THE CRANKIR IS IN OPERATION NEITHER PEOPLE NOR PETS CAN COME IN CONTACT WITH ANY PORTION OF THE ANTENNA INCLUDING THE RADIALS DEADLY VOLTAGES AND CURRENTS MAY EXIST ALSO SINCE THE EFFEC...

Страница 4: ... For easy attachment to existing radial field or user supplied cut length radial OPTIONS Tunable Radial Unit Provides simple Turn the Crank Tuning of the radial utilizing the same tuning system as the CrankIR Antenna The antenna can be tuned to any band by simply setting the radial and vertical radiator to the matching color coded band marks No additional tuning is normally required 40m 2m version...

Страница 5: ...425 453 1910 www steppir com Page 5 OPTIONS continued Pole Extension Kit Strongly recommended for 80m improves 40m and 30m as well Extends 16 pole to 22 Couplers and 3 pole sections fit into 24 travel bag 6 ft Tripod 9ft 6in Tripod recommended for 80m operations ...

Страница 6: ...cators see pg 13 to select a band simply run the wire in or out until the appropriate marker appears just above the Wire Guide Block High efficiency is achieved by design there are no coils only capacity hat type resonating is used There are no matching networks matching is accomplished by very low loss off center feeding When the vertical radiator is shorter than 1 4 wavelength WL the impedance d...

Страница 7: ...SteppIR Antennas 2112 116th Ave NE 1 5 Bellevue WA 98004 Tel 425 453 1910 www steppir com Page 7 Bob Fuller W7KWS on the air with a CrankIR prototype QTH Kauai HI ...

Страница 8: ...SteppIR Antennas 2112 116th Ave NE 1 5 Bellevue WA 98004 Tel 425 453 1910 www steppir com Page 8 2 OPERATION CONTROLS 6 1 2 4 4 4 4 5 5 3 7 ...

Страница 9: ...top is reached It also helps prevent the cord from coming off of the reel and tangling POLE CLAMPING WINGNUTS Eight hand operated wingnuts that clamp the antenna unit to the tripod or other mounting pole four knobs clamp the mount pole and four clamp the vertical fiberglass pole CLAMP SADDLES These two saddles form the outer half of the clamps that hold the vertical telescoping pole and the tripod...

Страница 10: ...SteppIR Antennas 2112 116th Ave NE 1 5 Bellevue WA 98004 Tel 425 453 1910 www steppir com Page 10 9 10 11 8 2 OPERATION CONTROLS continued ...

Страница 11: ...radial in the desired direction and lock it It also allows you to remove the Radial Reel or the Ground Lug by backing the knob out far enough to disengage from the groove in the shaft allowing the shaft to be pulled out Make sure the Radial Release Knob is tight during operation to ensure radial electrical connection WIRE REEL LOCK DRAG Locks the vertical radiator reel shaft this will keep the Wir...

Страница 12: ...SteppIR Antennas 2112 116th Ave NE 1 5 Bellevue WA 98004 Tel 425 453 1910 www steppir com Page 12 Pole Tip Tensioner Assembly Main box left side view Main box right side view Return Arm Radial Lug ...

Страница 13: ...olor coded indicators are also included with the optional Radial Unit but are not permanently set to the wire to allow fine tuning or radial lengths by the customer Typical radial lengths will be the same as for the vertical radiator but will vary based upon location BLACK 10m 99 inches RED 12m 112 75 inches ORANGE 15m 133 inches YELLOW 17m 155 75 inches GREEN 20m 199 inches BLUE 30m 279 25 inches...

Страница 14: ...structions where the radial s will be deployed Be aware of possible hazards The exposed wire is highly conductive if there is potential for lightning the antenna should not be deployed Although the antenna has a small wind load it can easily be blown over by a moderate gust Guying the antenna is the safest most reliable way to ensure it does not fall over Using weights or stakes can be a convenien...

Страница 15: ... Ave NE 1 5 Bellevue WA 98004 Tel 425 453 1910 www steppir com Page 15 Do You Have Everything Make sure you have everything you need before you begin to set up the antenna Lay everything out at the setup location just to be sure ...

Страница 16: ... pole 1 2 Attach the CrankIR to the tripod 2a or other suitable mounting pole 1 825 max OD and tighten the four wing nuts on the saddle clamps 2b Make sure the tripod pole is only inserted to the top of the lower clamp so it doesn t block the telescoping pole from being inserted into the top clamp 2b 1 5 4 Antenna Set Up The following procedures are not the only way to deploy this antenna It is in...

Страница 17: ...6th Ave NE 1 5 Bellevue WA 98004 Tel 425 453 1910 www steppir com Page 17 Next Insert the Return Support Rod into the Return Support Rod Mounting Block turn it clockwise until the stop is reached 2c 2d 2a 2b 2c 2d 5 4 4 3 3 3 ...

Страница 18: ...escoping pole 3c Push both white plastic blocks down into the channel so they bottom out and tighten the hand screws 3d Next extend the first two or three tip sections of the pole and pull them tight enough to lock them in place during use 3f We recommend securing the pole joints with electrical tape to prevent inadvertent collapsing of the pole Taping must be done if guy ropes are attached to the...

Страница 19: ...a suitable amount of drag to prevent freewheeling as the Wire Cord is deployed by extending each pole section If the wire reel is allowed to freewheel the wire will come off the reel and tangle Now unlock the cord reel by turning the Cord Reel Lock Drag Knob and turn the Cord Reel to take tension off the cord and unhook the cord from the Cord Reel Hook 4b 4c The cord should already be routed throu...

Страница 20: ...coping pole tip with the butt end resting on the ground Now thread the cord through the Return Support Rod and Return Support Rod Cord Guide Block 5d Temporarily hook the cord loop around the Radial Release Knob 5e While holding the pole upright extend each section and lock it in place as you do this the cord will be fed off the Wire Reel Do this smoothly to prevent the cord coming off the reel an...

Страница 21: ...ole joints a must if the pole is wet place the butt of the pole into the top saddle clamp of the CrankIR unit 6a Rotate the pole so the Pole Tip Tensioner is in the same orientation as the Return Support Rod 6b and then tighten all four hand screws equally It is okay if the telescoping pole rests on the tripod pole 6c 6c 6b 6a Mike K7IR deploying the fully extended pole 4 4 ...

Страница 22: ... Cord Reel Lock Drag Knob is still untightened this will pull the Wire Cord off the Wire Reel Continue cranking until the Wire Cord junction is all the way to the top of the pole halfway between the two pulleys 7 Remove the cord loop from the Radial Release Knob 7a and attach the loop to the Cord Hook on the Cord Reel 7b 7c 7b 7a 7c 9 11 10 9 11 11 1 10 ...

Страница 23: ...necessary because there is only a short period when the reels have equal amounts of Wire Cord At any other time one reel is taking up less Wire Cord than the other This creates slack or tension on the Wire Cord The tension isn t critical all you need is enough tension on the Wire Cord to make sure it stays on the reel After setting the tension use the Cord Reel Lock Drag to lock the reels together...

Страница 24: ...ll work fine for 80m and up This height is high enough off the ground to keep losses very low Putting the mounting point higher doesn t hurt and can actually help on 80m 40m if you are having trouble getting a good match Raising the anten na higher allows you more room to lower the ends of the radial s to assist in obtaining a low SWR in difficult situations 9 4ft ...

Страница 25: ...f one or more cut length radials or to an existing radial field An optional Tunable Radial Unit PN 06401 is available for easy deployment of a variable length tunable elevated ra dial This provides all the radial lengths from 40m 6m 80m 2m with 80m version on one reel eliminating the need to carry multiple individ ual radials A single 1 4 WL radial a longer radial is required if the verti cal radi...

Страница 26: ...cut 1 4 WL long for the desired band to the ground lug and tighten the hand screw 10a 10b Route the radial in the most desired direction and attach it to a support at least 3 if possible off the ground The signal strength will be 4dB stronger in the direction of the single radial Radials for each band can be attached to the ground lug but they must be separated by about 6 or more to avoid destruct...

Страница 27: ...simply insert the Tunable Radial Unit shaft into the Radial Reel Ground Lug Mounting Hole 11b 11c and push it in until it bottoms out Now tighten the Radial Release Knob 11d to hold the assembly in place By loosening the knob slightly you can rotate the Radial Unit to align the radials for the best performance in the desired direction of operation Re tighten the Radial Release Knob to lock the rad...

Страница 28: ...ck and turn the crank such that the radial wire is fed out to the desired length Loosen the Cord Reel Drag knob and adjust the tension until the Wire Cord is well off the ground but not so tight that it puts undue force on the tripod and pulls it over If you plan to use the antenna on only a couple bands the tension on the bungee is not critical If you want to cover 40m 6m crank the radial out to ...

Страница 29: ...e to any frequency Two pulleys and bungee cords are provided to allow either a straight 1 4 WL ra dial 13a or allow the radial path to bend back on itself when space is tight 13b When folded the radial can be shortened by up to 40 with very little loss so don t hesitate to use the fold back technique If you have room for a straight run of 1 4 WL you only need one support and one pulley 13b 13a 16 ...

Страница 30: ...dial wire are set to the desired band usually no additional tuning is necessary to get a very low SWR If the SWR is high greater than 1 5 1 adjust the radial length to see if it improves If it doesn t try adjusting the vertical radiator Low SWR can be obtained with many different combinations of vertical radiator and radial length Always keep the vertical radiator at least 1 4 WL long if possible ...

Страница 31: ...SteppIR Antennas 2112 116th Ave NE 1 5 Bellevue WA 98004 Tel 425 453 1910 www steppir com Page 31 ...

Страница 32: ...acting the radiating wire so that the desired color coded band indicator is lined up just above the Wire Guide Block If you are using the optional Tunable Radial Unit adjust the wire length until the desired color coded band indicator is just beyond the Radial Wire Guide Block the color coded heatshrink markers come from the factory loose on the radial wire and the user must determine the position...

Страница 33: ...ally do the trick Don t shorten the vertical radiator any more than necessary because it reduces radiated power TUNING USING AN SWR METER Apply 5W to 10W from your radio and tune the antenna as described above for lowest SWR using either the SWR meter built into the radio or an external SWR meter Be careful not to touch the wires because even at these low power levels you can still feel some heat ...

Страница 34: ... Turn Key Clamps Assembly Set Up Begin by gathering the contents of the Pole Extension Kit Locate one of the two aluminum couplers with the single cut along the full length of the coupler and place one of the Turn Key Clamps at its middle Attach the coupler to the end of one of the fiberglass tubes being sure to only put the tube halfway into the coupler 15a Repeat with a second fiberglass tube an...

Страница 35: ...ces together being sure to orient the coupler so the half slit is away from the tube Attach this assembled unit to the coupler on the previously assembled two poles and tighten the band clamp 15c The fully pre extended and assembled 16ft pole and tensioner standard vertical pole should now be inserted butt end first into the last coupler with the extra half slit Tighten the Turn Key Clamps 15d Abo...

Страница 36: ... support mast ensure the Wire Cord is already properly routed through the Pole Tip Tensioner Pulleys and Return Arm Pulley Refer to section 5 of Antenna Set up Carefully lift the entire 22 assembled pole and insert the butt section into the pole Saddle Clamp of the CrankIR main unit Tighten the Saddle Clamp wing nuts 5 ...

Страница 37: ...SteppIR Antennas 2112 116th Ave NE 1 5 Bellevue WA 98004 Tel 425 453 1910 www steppir com Page 37 ...

Страница 38: ...k 4b and loosen the Cord Lock Drag Knob 4a Turn the Reel Crank Handle clockwise until the cord is taut and lock the Cord Lock Drag Knob Stowing the Wire Cord on both the CrankIR Unit and Tunable Radial Unit so it will not come off the reels will save you a lot of grief from tangles Remove the vertical telescoping pole take the Tip Tensioner off and place them in the bag If you aren t putting it in...

Страница 39: ...pIR Antennas 2112 116th Ave NE 1 5 Bellevue WA 98004 Tel 425 453 1910 www steppir com Page 39 held up against the Wire Cord Guide Block Next lock the Cord Lock Drag Knob to hold the Wire Cord in place 20 15 ...

Страница 40: ...ient when it is longer If this doesn t work the location may be the problem Look for things that could be de tuning the antenna and move the antenna or the radial away from it When the antenna is very shortened lowering the ends of the radial s can help in getting the SWR low Make sure all of your connections are tight especially the Radial Release knob If you have the Tunable Radial Unit check th...

Страница 41: ...y on the Tun able radial because the C clip is exposed and easy to access A small screw driver or suitable tool can be used The clip will tend to fly off so be careful to contain it as it is removed Do not lose the white spacer washer between the Wire Reel and the chassis on both the CrankIR Unit and the Tunable Radial Unit Removing the Wire Reel necessitates removal of the back cover to access th...

Страница 42: ... SHAFT YOU MUST PUSH THE BRUSH DOWN WITH A SMALL SCREWDRIVER OR OTHER TOOL SO THE BRUSH WILL NOT BECOME DAMAGED AS THE SHAFT IS INSERTED WIRE CORD CAN T BE MOVED WITH CRANK Wire Cord has gotten wrapped around the pulleys at the Pole Tip Tensioner Lay antenna down and untangle the Wire Cord Make sure you threaded it through as shown in the manual The same applies to the Tunable Radial Unit pulley s...

Страница 43: ...SteppIR Antennas 2112 116th Ave NE 1 5 Bellevue WA 98004 Tel 425 453 1910 www steppir com Page 43 ...

Страница 44: ...is case a low dipole might be a good choice The CrankIR can be configured as a dipole on 20m and higher if you add the dipole kit 06410 A vertical will have a takeoff angle of about 25 degrees A dipole must be mounted about 0 3 WL above ground to achieve the same 25 degree angle On 20m that equates to about 20 feet and on 40m about 40 feet Even 20ft can be a challenge when operating portable Low m...

Страница 45: ...Approximate 80m 2 0 1 120kHz 40m 2 0 1 300kHz 30m 1 0 1 Entire Band 20m 1 5 1 400kHz 18m 1 0 1 Entire Band 15m 1 5 1 550 kHz 12m 1 0 1 Entire Band 10m 1 5 1 900 kHz 6m 1 0 1 Entire Band The following table lists the approximate bandwidth for the CankIR in the normal vertical configuration with a single elevated radial ...

Страница 46: ...3 wires 36 gauge 0 049 1 24 mm OD tinned copper Vertical wire marked at 1 4 WL for each amateur band Brushes Copper beryllium 0 008 203 mm thick Reel Shafts Brass 0 437 11 01mm diameter conducts the RF via brush contact Balun Current choke type Standard 1 4 35 56 mm OD toroid NiZn nickel zinc ferrite RG 58U coax High Power Opt 2 4 60 96 mm OD toroid NiZn ferrite RG 303 Teflon coax CrankIR Specific...

Страница 47: ... 45 lb 152 x 178 x 325 mm weight 2 02 kg Pole Tip Tensioner Collapsed 22 inches 55 9 cm Extended 45 inches 114 3 cm Pole clam range 0 375 0 780 inches 9 5 mm 19 8 mm Return Support Rod 22 5 inches 3 0 oz 57 2 cm weight 86g Wire Cord Reels Capacity 150 ft 45 7m of Wire Cord Material polycarbonate ABS blend 4 5 inches 11 4 cm diameter Telescoping Pole Extended 16 feet 4 88 mm Collapsed 23 5 inches 5...

Страница 48: ... 1ea 1 75 in 44 45 mm OD Total Weight Basic Antenna 5 5 lb 2 50 kg Basic Antenna with Optional Radial CrankIR Specifications PREAMBLE DIMENSIONS AND WEIGHTS CONTINUED ENVIRONMENTAL Water Resistance Designed to operate in wet environments in cluding rain dew etc Brief water immersion will not cause damage If immersed in salt wa ter please rinse in fresh water to prevent corro sion Operating Tempera...

Страница 49: ...ty is automatically void if the following occurs improper installa tion unauthorized modification and physical abuse or damage from severe weather that is beyond the product design specifications SteppIR Antenna s responsibility is strictly limited to repair or replacement of defective components at SteppIR Antennas discretion SteppIR Anten nas will not be held responsible for any installation or ...

Страница 50: ...s requiring technical or product support services support steppir com Information and questions about our products sales steppir com Phone Fax Phone 425 453 1910 9 30am to 4 30pm Pacific Standard Time Fax 425 462 4415 Tech Support 425 891 6134 10 00am to 5 00pm Eastern Standard Time Address Fluidmotion Inc SteppIR Antennas 2112 116th Ave NE Suite 1 5 Bellevue WA 98004 Contact Information ...

Страница 51: ...SteppIR Antennas 2112 116th Ave NE 1 5 Bellevue WA 98004 Tel 425 453 1910 www steppir com Page 51 ...

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