23 Apr 2024, 07:29 [ UTC - 5; DST ]
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Post subject: Re: Tesla Model X - anyone used a roof rack? Suction? Posted: 26 Feb 2021, 21:18 |
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Joined: 11/08/12 Posts: 6317 Post Likes: +3808 Location: San Carlos, CA - KHWD
Aircraft: Piaggio Avanti
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Username Protected wrote: Disable? You have a way to hack into the computer? This isn't a simple "lock the doors", you'd have to convince the car to not open the doors when asked to. Child lock. Quote: Are you transporting the crew as well? If so, how are they getting in and out? The crew is me. Perhaps a second person, but fortunately, as a sculler, I have no friends. Quote: Yeah, I saw that too, I just feel like the size and wind load of my boat is a little different than the roof box, so I wanted to see if anyone had experience with the suction cup solutions they could share how effective they really are.
_________________ -Jon C.
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Post subject: Re: Tesla Model X - anyone used a roof rack? Suction? Posted: 26 Feb 2021, 21:21 |
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Joined: 11/08/12 Posts: 6317 Post Likes: +3808 Location: San Carlos, CA - KHWD
Aircraft: Piaggio Avanti
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Username Protected wrote: Check out SeaSucker. Best damn suction racks known to man. I’ma user and huge fan. Those were what I was eyeing. What is the biggest load (perhaps aerodynamic load) you've put on them? What cars, ever tried it on the glass roofed Tesla?
_________________ -Jon C.
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Post subject: Re: Tesla Model X - anyone used a roof rack? Suction? Posted: 26 Feb 2021, 21:25 |
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Joined: 11/08/12 Posts: 6317 Post Likes: +3808 Location: San Carlos, CA - KHWD
Aircraft: Piaggio Avanti
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Username Protected wrote: If you put something that long on top of your car and come to Oklahoma, you will be blown off in a ditch in no time. Seriously though, do you really want something that large attached with suction cups? Is it even legal? Yes, wind load on the suction cups is definitely my concern. I doubt it's technically legal, but many people do it fairly frequently. And I never cartop my boat to Oklahoma, if I have to go that far I'm putting it on a trailer that someone else is going to drive, so we're OK there.
_________________ -Jon C.
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Post subject: Re: Tesla Model X - anyone used a roof rack? Suction? Posted: 28 Feb 2021, 00:27 |
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Joined: 09/12/13 Posts: 10 Post Likes: +8
Aircraft: C195
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I do not have any experience with Tesla nor with Sea Sucker mounts (although both seem to be fine, well designed products). But since this is the internet and my day job was an engineer), I feel compelled to share my relatively worthless opinion. Based on the surface area of the Sea Sucker mounts and their solid construction they may well be up to the task. However..... There was a thread some time ago on a bicycle forum I frequent which discussed one Tesla 3 owners experience with cracked rear glass using a SeaSucker mount to carry a single bicycle. There is a lot of non-sense in the thread but the event raises concerns. https://www.bikeforums.net/general-cycl ... glass.htmlIt not clear to me how much of the Model X roof is not glass but even these other areas of the roof may be of concern based on the recent recall for older Model X cars for “roof panel detachment”. NHTSA campaign number: 20V710. Tesla’s own number for this recall is SB-20-12-005. While I’m sure this issue has been addressed on new vehicles it certainly suggests that, while the design (when property bonded) is adequate for the intended air loads, it may not be sufficiently robust to support the larger multidirectional loads that would be imposed by the roof mounted shells. Loads that were not anticipated or considered by the Tesla designers. We all know from experience that there are margins built into most things that may allow us to use them beyond their intended limits, but as aviators we try and use our superior skills (and judgement) to avoid routine beyond limit operations.
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Post subject: Re: Tesla Model X - anyone used a roof rack? Suction? Posted: 07 Mar 2021, 16:57 |
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Joined: 01/11/10 Posts: 3962 Post Likes: +4137 Location: (KADS) Dallas, TX
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I would weld up a loading roller and tie down for the rear that comes up from the trailer hitch. Then use some suction cup mounts for the roof section. Finally in the front fabricate a tie down that screws into the front tow hook mounting point and provides a mechanical connection in the front. All pretty easy to do and you're not relying on just suction cups to hold the boat.
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Post subject: Re: Tesla Model X - anyone used a roof rack? Suction? Posted: 07 Mar 2021, 18:07 |
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Joined: 11/08/12 Posts: 6317 Post Likes: +3808 Location: San Carlos, CA - KHWD
Aircraft: Piaggio Avanti
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Username Protected wrote: It seems like you need some thing with a little more utility!!! https://www.gmc.com/electric-truck/hummer-evI like the out of the box idea! But looks like I couldn’t get one for a while... Attachment: CF1B14AA-65BA-44B5-9202-33AA11DB5E23.jpeg
Please login or Register for a free account via the link in the red bar above to download files.
_________________ -Jon C.
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Post subject: Re: Tesla Model X - anyone used a roof rack? Suction? Posted: 07 Mar 2021, 18:10 |
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Joined: 11/08/12 Posts: 6317 Post Likes: +3808 Location: San Carlos, CA - KHWD
Aircraft: Piaggio Avanti
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Username Protected wrote: I would weld up a loading roller and tie down for the rear that comes up from the trailer hitch. Then use some suction cup mounts for the roof section. Finally in the front fabricate a tie down that screws into the front tow hook mounting point and provides a mechanical connection in the front. All pretty easy to do and you're not relying on just suction cups to hold the boat. I’ve thought about that, I do have a hitch T rack. Like this: Tbar rackI will probably end up with something like this, just searching for the optimum convenience...
_________________ -Jon C.
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Post subject: Re: Tesla Model X - anyone used a roof rack? Suction? Posted: 07 Mar 2021, 18:36 |
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Joined: 01/11/10 Posts: 3962 Post Likes: +4137 Location: (KADS) Dallas, TX
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Username Protected wrote: I would weld up a loading roller and tie down for the rear that comes up from the trailer hitch. Then use some suction cup mounts for the roof section. Finally in the front fabricate a tie down that screws into the front tow hook mounting point and provides a mechanical connection in the front. All pretty easy to do and you're not relying on just suction cups to hold the boat. I’ve thought about that, I do have a hitch T rack. Like this: Tbar rackI will probably end up with something like this, just searching for the optimum convenience...
Yup, that would work. You might try just putting in your front tow eye and then use that as a anchor point for a ratchet strap to the bow eye (if you have one).
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Post subject: Re: Tesla Model X - anyone used a roof rack? Suction? Posted: 07 Mar 2021, 21:34 |
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Joined: 11/08/12 Posts: 6317 Post Likes: +3808 Location: San Carlos, CA - KHWD
Aircraft: Piaggio Avanti
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Username Protected wrote: Yup, that would work. You might try just putting in your front tow eye and then use that as a anchor point for a ratchet strap to the bow eye (if you have one). These boats are 27’ long, 11” wide, and weigh about 28 lbs all in. There is no bow eye! Ratchet straps are way too much force...
_________________ -Jon C.
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Post subject: Re: Tesla Model X - anyone used a roof rack? Suction? Posted: 07 Mar 2021, 21:39 |
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Joined: 01/11/10 Posts: 3962 Post Likes: +4137 Location: (KADS) Dallas, TX
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Username Protected wrote: Yup, that would work. You might try just putting in your front tow eye and then use that as a anchor point for a ratchet strap to the bow eye (if you have one). These boats are 27’ long, 11” wide, and weigh about 28 lbs all in. There is no bow eye! Ratchet straps are way too much force...
Wow! I had no idea they even made a boat that size at that weight. Carbon fiber?
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Post subject: Re: Tesla Model X - anyone used a roof rack? Suction? Posted: 07 Mar 2021, 23:30 |
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Joined: 11/08/12 Posts: 6317 Post Likes: +3808 Location: San Carlos, CA - KHWD
Aircraft: Piaggio Avanti
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Username Protected wrote: Wow! I had no idea they even made a boat that size at that weight. Carbon fiber? Yes, all carbon components. Recently even the riggers have become carbon, until recently those materials were usually too easy to damage via impact and were impractical for riggers, but they have become much tougher. Here is one example. here’s another.
_________________ -Jon C.
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