Originally posted by HeavyPizzaz
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CB Radio Install location in 4th Gen
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Originally posted by HeavyPizzaz View PostEdit: surely there are thousands of bullbar mounted aerials that have not suffered from premature failure due to vibrations.Warren
2012 NW DiD Activ - Retired
2023 Nissan Y62 Patrol Ti
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Originally posted by 2bad4u View PostI've been running bullbar mounted aerials for decades and never had one fail. Don't know anyone that has had one fail either. The one you've got is a quality aerial with a solid base, it will be fine.
Awesome thanks mate. That's what I like to hear. Decades of experience. And thanks miniyazz also.
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Also remember that most 4wds have a separate chassis, to which the bull bar is mounted - the Pajero bull bar mounts direct to the monocoque body.
A ladder chassis isn't as rigid as proponents want you to think it is, which can be seen by watching the bull bar move with respect to the bonnet. Bull bars on ladder chassis vehicles vibrate more than on monocoques, so if somebody wants to talk about failures of items mounted to bull bars it's important to understand the vehicle that the bull bar is on.
Even beyond ladder vs monocoque, different ladder chassis vehicles will have different "resonant frequencies" at which the chassis will vibrate most. If the chassis resonant frequency happens to be a frequency to which the mounted device is susceptible, then failure is more likely.
My father has lost a few antennae from his Prado's bull bar. I've never lost one from a Pajero bull bar (NJ or NT, although neither spent much time with a bull bar mounted antenna) and I'm not aware that my brother has ever lost one from his 80 series.NT Platinum. DiD Auto with 265/70R17 ST Maxx, Lift, Lockers, Lockup Mate, Low range reduction, LRA Aux tank, bull bar, winch, lots of touring stuff. Flappy paddles. MMCS is gone!
Project: NJ SWB. 285/75R16 ST Maxx, 2" OME suspension, 2" body lift, ARB 110, 120l tank, bullbar, scratches, no major dents. Fully engineered in SA. NW DiD & auto in place - a long way to go....
Scorpro Explorer Box
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I’ve recently had to change my antenna base as I bashed a tall antenna into a bush. Driver error - lesson learnt.Gary
2008 NS DiD Exceed. MM factory alloy full bar, Autosafe cargo barrier, Roley's rear bash plate, Uniden 8080 UHF, Kings 120A lithium battery in rear cargo area, Renogy DCDC charger, fire ext mounted in place of rear door handle, Redarc EBC, BushSkinz IC & sump. ARB Frontier replacement fuel tank, Pedders track rider suspension. Lockup Mate.
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Originally posted by nj swb View PostAlso remember that most 4wds have a separate chassis, to which the bull bar is mounted - the Pajero bull bar mounts direct to the monocoque body.
A ladder chassis isn't as rigid as proponents want you to think it is, which can be seen by watching the bull bar move with respect to the bonnet. Bull bars on ladder chassis vehicles vibrate more than on monocoques, so if somebody wants to talk about failures of items mounted to bull bars it's important to understand the vehicle that the bull bar is on.
Even beyond ladder vs monocoque, different ladder chassis vehicles will have different "resonant frequencies" at which the chassis will vibrate most. If the chassis resonant frequency happens to be a frequency to which the mounted device is susceptible, then failure is more likely.
My father has lost a few antennae from his Prado's bull bar. I've never lost one from a Pajero bull bar (NJ or NT, although neither spent much time with a bull bar mounted antenna) and I'm not aware that my brother has ever lost one from his 80 series.
Thanks nj for a comprehensive explanation! I will install it on my bullbar with confidence noting also that it's primarily for vehicle to vehicle comms in a convoy. Pat callinan tested (YouTube) the exact model mounted on his bullbar and it had 9.3km range. Plenty for me for now. When the need arises I can look at mounting higher on the vehicle, whether it's this aerial or another.
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Originally posted by Kingbrown View Post
Thanks mate I’ll keep this in mind.
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I've had a GME AE4076(I think that is the model) fail. The antenna failed at the base between the metal ferrule and the fiberglass rod. No contact damage just corrugations rattled it loose.
Running a Minespec 6.6dbA so we'll see how that goes.NX GLS MY16 Auto: MM Towbar | Spare Lift Kit | Cooper ST MAXX 265/65R17 | SPVi Module mk3.1 | Autosafe Half Cargo Barrier | Torque Pro App | Donaldson 3um 2ndry Fuel Filter | Diff Breathers | GME4500 UHF | Rhino Rack Pioneer Platform | Roley's Rear Bash Plate | Bushskinz Underbody Protection | Airtec Snorkel | Onboard Compressor | Awning | ARB Deluxe Bar | Lightbar | Sherpa4x4 Winch | Bushskinz Sidesteps | Masten TPMS
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CB Radio Install location in 4th Gen
Anybody know why the antenna would be shipped with this black soft plastic sleeve attached by the mounting nut? Can’t find an install guide to clarify. At first I thought it might be to keep water out but a) it’s mighty hard to tighten the nut with it on coz it’s recessed by about 1 inch, and b) it’s not visible in any marketing photos.
Sent from my iPhone using TapatalkLast edited by HeavyPizzaz; 18-04-19, 08:40 AM.
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You remove the rubber, install without it.
Gme all have some sort of protection out of the factory.2013 Glxr Pajero
Arb bullbar installed, HID IPF driving lights. 1" Bilstein and Kings Springs suspension
Sold
2012 PB Challenger. ARB Bullbar. Uniden UHF. ARB underbody protection. Cargo Barrier. Mitsu towbar. Lightforce 170 striker driving lights.
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Originally posted by Coleman View PostYou remove the rubber, install without it.
Gme all have some sort of protection out of the factory.
Cheers thanks mate. Confirmed my suspicions. Interesting that it needs it though, just to protect bottom of the cable I assume given it comes in a soft plastic package.
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Wondering if anyone has installed their UHF on the top of the grey plastic tray that sits immediately above the passengers feet in 4th Gen. The one that’s clipped in. I pulled that tray down and found a large piece of self adhesive Velcro that the cops had stuck down and thinking they may have had a radio sitting on it in there. I was gonna put mine on the transmission tunnel driver side but this is an option. However the weight of the UHF bouncing up and down on corrugations on that tray I’m not so sure about.
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