I remember once upon a time you didnt use bolted on accessories for recoverys as the bolts are a weak point. Your trusting a lot for 2 grade 8 (if your lucky) bolts.
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photos of damaged or destroyed recovery/tie down points and equipment.
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Arb colour code deluxe bar, safari snorkel, lightforce venom HID's, GME uhf remote face, redarc tow pro, redarc bcdc 1240, pioneer platform, 40" curved light bar, dual battery, 3" SS exhaust, EGR mod, trans cooler upgrade, provent catch can, scangauge 2, diesel care secondary fuel filter, Tin's bash plates and actuator gaurd, 2in Bilstien and kings lift,
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Originally posted by krypto View PostEveryone can make their own decisions, but from a basic engineering design perspective the plates don't substantially change the distribution of forces
As already explained, the plates are attached to the main chassis rail with a distance between the two locations. Already shown, a significant pull on the tie down point will fracture the chassis rail between those two locations.
I'll stick with my opinion, thanks for your opinion anyway.
Originally posted by HallyYour trusting a lot for 2 grade 8 (if your lucky) bolts.Last edited by photoprado; 22-08-2017, 02:03 PM.2008 D4D M6 GXL [MT ATZ-P3][Whitey's Ironman 45710FE/45682FE+KTFR101H/Dob487][extended Roadsafe links][Polyairs][DBA T3/T2][amts diffdrop & recovery points][Tin175's stone guards][Bushskins BashPlate][ARB Sahara][IPF 900s][Snorkel][WindCheetah][MaxTrax][IC-440][Parrot Asteroid][ARB Fridge][Lifestyle 2nd Row Fridge Mount][ARB Compressor][Thumper][SandGrabbers][Cargo Barrier][Tigerz Awning][MCC Rear Bar]
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Originally posted by photoprado View PostYou are an engineer?
As already explained, the plates are attached to the main chassis rail with a distance between the two locations. Already shown, a significant pull on the tie down point will fracture the chassis rail between those two locations.
I'll stick with my opinion, thanks for your opinion anyway.
As I said earlier, I love all the stuff that people do on this site and the recovery points are a great example of that. The only problem is that they provide a false sense of security as the underlying structural issues have not been addressed.
So my point is be careful when doing recovery using any of the front attachment points, recovery points will not magically give you a fail proof attachment point.[B]Steve[/B]
2010 Silver GXL Prado 150, D4D Auto, with a few non standard bits
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Not looking for a false sense of security. Just want a better recovery point than a known tie down point that has never been accepted as a recovery point and has had issues. The manufacturer does not rate them, and the photos above explain why they are tie down points, not recovery points.2008 D4D M6 GXL [MT ATZ-P3][Whitey's Ironman 45710FE/45682FE+KTFR101H/Dob487][extended Roadsafe links][Polyairs][DBA T3/T2][amts diffdrop & recovery points][Tin175's stone guards][Bushskins BashPlate][ARB Sahara][IPF 900s][Snorkel][WindCheetah][MaxTrax][IC-440][Parrot Asteroid][ARB Fridge][Lifestyle 2nd Row Fridge Mount][ARB Compressor][Thumper][SandGrabbers][Cargo Barrier][Tigerz Awning][MCC Rear Bar]
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Originally posted by photoprado View PostNot looking for a false sense of security. Just want a better recovery point than a known tie down point that has never been accepted as a recovery point and has had issues. The manufacturer does not rate them, and the photos above explain why they are tie down points, not recovery points.Arb colour code deluxe bar, safari snorkel, lightforce venom HID's, GME uhf remote face, redarc tow pro, redarc bcdc 1240, pioneer platform, 40" curved light bar, dual battery, 3" SS exhaust, EGR mod, trans cooler upgrade, provent catch can, scangauge 2, diesel care secondary fuel filter, Tin's bash plates and actuator gaurd, 2in Bilstien and kings lift,
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Originally posted by Hally View PostApart from 2016 and up models2008 D4D M6 GXL [MT ATZ-P3][Whitey's Ironman 45710FE/45682FE+KTFR101H/Dob487][extended Roadsafe links][Polyairs][DBA T3/T2][amts diffdrop & recovery points][Tin175's stone guards][Bushskins BashPlate][ARB Sahara][IPF 900s][Snorkel][WindCheetah][MaxTrax][IC-440][Parrot Asteroid][ARB Fridge][Lifestyle 2nd Row Fridge Mount][ARB Compressor][Thumper][SandGrabbers][Cargo Barrier][Tigerz Awning][MCC Rear Bar]
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Ok then.
This has gotten a bit off topic.
but actually highlights why i want spend a couple hours reverse engineering the front of the chassis & tie down points and actually do a few calc's to put some numbers behind it all. Then put out a report on the findings for people to draw there own conclusions.
i think everyone somewhat agrees the aftermarket recovery points would be better then the original, but how much better is the question. as\yes they do only attach to a similar area of the car and in a similar position meaning overall the loading through the chassis isn't going to change significantly but the areas where the load (stress) concentrates likely will.
not all welds are created equal and neither are bolted connections, but both welding and bolting have strengths and weaknesses. neither is 'stronger' or 'weaker'.
i would definitely recommend that everyone inspect there recovery points and the local area before every recovery (even between attempts) and if there are any signs of damage, particularly cracking or deformation they do not continue using it. (Sorry inner engineer came out a bit)
has anyone every asked for and engineering certificate on there aftermarket recovery points? and have they received one.
for an engineering perspective there actually would be much risk in certifying one. (Rud lugs don't have any obligation to certify everything that someone welds/bolts there lugs to and this is pretty much the same)
so i would be surprised if there are certificates out there but i would be very interested to see what they say.
also would anyone be able to measure up and send a sketch through of there rated recovery points so i could reverse engineer them?
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also would anyone be able to measure up and send a sketch through of there rated recovery points so i could reverse engineer them?Silver '04 KZJ120~Manual~GXL~Dobinson/Kings lift~Custom valved Ironmans~Detroit Locker~Endless Air~X9 Superwinch~Madman EMS1~TJM Dual Battery~Rhino Roof Tray~120W solar panel~Foxwing awning~Bushskinz UVP~Long Ranger water tank~Bushman fridge~Steinbauer P-Box~Beaudesert 2 3/4"~Airtec Snorkel~TJM Sliders~Prico Boost Gauge~BFG-KO2s~TPMS~GME TX3420~Front and Rear Cameras~Ultimate Camper hanging off the back!
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Originally posted by photoprado View PostReally? Link to Toyota front recovery point details?
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Yep, there is a difference between a tie or tow point and a recovery point. The tie down points can be used for towing because the car is on a firm surface and rolls down the road with relatively small effort from the tow vehicle.
If the Prado is stuck in mud or sand etc, the tie down point would be under much more load.2008 D4D M6 GXL [MT ATZ-P3][Whitey's Ironman 45710FE/45682FE+KTFR101H/Dob487][extended Roadsafe links][Polyairs][DBA T3/T2][amts diffdrop & recovery points][Tin175's stone guards][Bushskins BashPlate][ARB Sahara][IPF 900s][Snorkel][WindCheetah][MaxTrax][IC-440][Parrot Asteroid][ARB Fridge][Lifestyle 2nd Row Fridge Mount][ARB Compressor][Thumper][SandGrabbers][Cargo Barrier][Tigerz Awning][MCC Rear Bar]
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2016 + changed the design. Prior to that they were just a loop welded below the chassis. One let go on a friend's recovery. The resulting flying shackle dented the tow vehicle's rear shock. Fortunately it wasn't the driver who copped it.Greg - 08 D4D Prado,
Some trips done - Cape York, Fraser Island, Simpson Desert / Central Aust, Vic High Country.
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Originally posted by Corigator View Post2016 + changed the design. Prior to that they were just a loop welded below the chassis. One let go on a friend's recovery. The resulting flying shackle dented the tow vehicle's rear shock. Fortunately it wasn't the driver who copped it.
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Originally posted by Corigator View Post2016 + changed the design. Prior to that they were just a loop welded below the chassis. One let go on a friend's recovery. The resulting flying shackle dented the tow vehicle's rear shock. Fortunately it wasn't the driver who copped it.2008 D4D GX Auto, OP2 (traction/cruise/climate control), ARB deluxe bar, DominatorX winch, dual batteries, Whitey's 50mm lift, 265/70/17, UHF, King's 7" spotties, trans cooler
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