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What camera and mount are you using? I just realized how stable your video is compared with the videos I take. Do you do a processing step to remove shake? If so what do you use?
Thanks, Steve |
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You really did make the right choice. But the 911 sure is pretty -- and like mine, when I get it right -- it's sex on 4 wheels. However, I do enjoy the Boxster S the most -- reliable, forgiving, quick and generally easy to drive. But don't listen to me -- I'm a moving chicane -- what do I know :-) Mike |
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Mobius Action Camera 1080P For the mount, I use a RAM dual ball mount with the base attached to the roll bar with a hose clamp. The Mobius cam is controlled (on/off) and powered from the TraqMate/TraqDash data system. Its a somewhat low-tech setup that works really well. Credit goes to Brad Roberts for the recommendation and installation. Here is a photo of the mount... http://i1114.photobucket.com/albums/...pss0m4erkg.jpg |
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Steve |
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Looking at this as an alternative..... Replay XD 1080 Mini Camera |
The Good News: I got the front portion of the high pressure power steering hose replaced this week. It was actually fairly easy to replace since the connection to the power steering rack is accessable with the front wheel removed and push mount into the steering rack with a single bolt and bracket (#10 and #11 in diagram).
The two photos below shows how much force the old line endured; the original/replacement line has a Z plus a 90deg bend whereas the damaged line was pulled almost completely straight after being ripped from under the car. Surprising that it didn't completely break apart into two pieces. The Bad News: Filled the power steering system and after starting the car, I found that the front portion of the low pressure return line was leaking where it meets the connector under the car. So #2 in the diagram also needs replacement and I'll have to get another liter of CH-11S fluid. This is what the original/replacement power steering line looks like: http://i1114.photobucket.com/albums/...ps9bs81ipw.jpg This what the damaged power steering line looked like: http://i1114.photobucket.com/albums/...psqgi86yl3.jpg I've already replaced #9 and #1. Next, #2. To be safe, I also ordered #5. :) http://i1114.photobucket.com/albums/...psbwxppyph.jpg |
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Will probably see if I can configure it to turn on when connected to 12v power so I don't have to be a contortionist when I'm strapped in and and forget :-) I'm going to try a Go-pro roll bar mount with double stick to the Mobious and a zip-tie reinforcement. Hopefully get out to COTA this weekend to give it a try. Mike |
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The one thing I couldn't find is if I can flip the video like with go prop since I am hanging mine down from my BK bar and not upright like with Tom's setup, but I think my setup mimics the default setup when hanging down from the windshield so I should be ok. Edit: just found the answer, yes I can rotate it 180: http://www.buymobius.com/pages/how-to-configure-the-mobius-actioncam-for-use-as-a-dash-camera and also I think this is the enthusiast site I mentioned before. I bought mine from this Amazon vendor: https://www.amazon.com/gp/product/B00GPUEOVK/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1 Based on some information from an enthusiast forum about the Mobius (which of course I can't find now) - apparently there are older versions out there but this one is the latest and greatest. |
steved0x, did you order the standard angle lens ("A", 86°) or the wide angle lens ("C2", 131°)?
thstone, same question... Specs The standard angle camera is 2.40" x 1.40" x 0.75". The standard angle lens does not look distorted at either 1080 or 720. The wide angle camera is 2.40" x 1.72" x 0.75". The wide angle lens at 1080 looks a bit fisheye. At 720 it does not look distorted. |
I ordered non wide angle based on my reading. As soon as it comes I I'll take a drive and report back.
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I mentioned it to a friend who told me his only drawback was setting it up. Since there is no preview - trying to get it aligned and in proper view was a PITA. setup, record, download, view, adjust repeat. I'm hoping to use a level and limit the iterations Mike |
seningen, regarding getting it positioned, I'm planning to use it in webcam mode (no memory card), connected via USB to my Android phone, running the Harry's lap-timer app. So I should be able to see the image on the phone's screen, and position the camera that way.
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Would be nice to set it up this way -- probably great for data overlay, etc. I have Harry's GrandPrix edition. Mike |
Mike--
Well, it's really just wishful thinking on my part, since I don't have the camera yet. Here's the information I can find. Harry's lap-timer on iOS supports external cameras via USB. It lists GoPro and Sony, but not Mobius. General documentation here. Specifically about video here. FAQ's and how-to here. Mobius instructions here, including how to use it in web-cam mode. Hope this helps. Greg |
How I keep track of what still needs to be done....
http://i1114.photobucket.com/albums/...pspvd5z2p9.jpg |
I go out early this morning to install the 3rd portion of power steering line but can't find the 12mm hex socket to remove the mounting bracket for the lines to the steering rack. I know that I used it when I replaced the 2nd portion and I am usually fastidious about keeping track of my tools for exactly this reason. WTF. Dammit.
I search around under the car, in the workshop, and everywhere else that I can think of and no joy. I find another hex head that is close and decide to give that a try and hope that I don't strip the hex socket on the bolt. Give it a good strong pull and it the bolt comes loose. Ok, so maybe today isn't going to be a total screwed up day. While doing all of this, I am using a work light to see and I happen to notice a little glint of light from something off to the right, so I swing the light over and find this... The socket must have fallen off the extension when I installed the 2nd power steering line and fell down into this recess in the control arm. Quite amazed that I found it! Waiting for the fluid to drain out and then I'll install the new line, re-fill, and give it a test. http://i1114.photobucket.com/albums/...psrw0goo2h.jpg http://i1114.photobucket.com/albums/...psyv9yegjc.jpg http://i1114.photobucket.com/albums/...psabhccrfs.jpg |
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And brake rotor scalp treatments.... Such is the life of the 'budget' Porsche racer :-) Mike |
thanks for finding it, otherwise my tire would find it on the track
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Here is a pic of the damaged power steering return line (left) next to the new line (right) - the old line was pulled nearly completely straight during my off road adventure.
When I got the new line installed, I noticed that the fittings were different! The old line female connector is on the right and the new line press fit connector is on the left. Oh crap. So I pulled the new line out and then realized that the female connector on the old line comes off and the smooth end simply "clips" into the press fitting on the new line; so I installed it again and filled the reservoir and no leaks! Finished up everything else on the list and took the car for a 30 min drive to make sure that everything was good. Ran it up to redline on a couple of freeway on-ramps and it drove perfectly. The only thing remaining is to have the Lexan windshield installed next weekend. http://i1114.photobucket.com/albums/...ps9218savt.jpg http://i1114.photobucket.com/albums/...psxrlpd77s.jpg http://i1114.photobucket.com/albums/...psdtpcrkxo.jpg |
I had the lexan windshield installed today by a local window shop. Took about an hour and they charged me $90.
This is the 1/4" model from Five Star. I also plan to use two layers of protective film. The cut, fit, and finish was top notch - it was curved exactly like a factory glass windshield and fit into the frame perfectly. Lexan weight is 15lbs. I weighed the stock windshield after it was removed and it came in at 24lbs. Net weight savings is 9lbs. Visibility is incredibly clear and non-distorted. Windshield removed; http://i1114.photobucket.com/albums/...pshf8stbjm.jpg Lexan windshield installed; http://i1114.photobucket.com/albums/...pspzhiag21.jpg |
** Weight Update #4 **
Spec Boxster minimum weight with driver and fuel is 2,650 lbs. My goal is to be able to manage the weight of the car by adjusting the fuel load at the start of a race so I am near the min weight at the end of a race (with some margin for error). Most recently, total weight was 2,705 lbs with a 1/2 tank of gas. Subtracting 51 lbs for fuel (6 lbs/gallon x 8.5 gallons), says that the car/driver weighs 2,654 lbs. In a perfect world, I'd like the car/driver total weight to be 2650 lbs with 1/8 tank of fuel, which means an un-fueled car/driver weight of 2650 - 13 = 2637 lbs. Thus, I still needed to reduce weight by 17 lbs. Since the last update I have lost another 10lbs for a total of 30lbs! People ask how I feel after losing so much weight - I say, HUNGRY. Seriously, I've been slowly starving for 5 months but I've stuck to the plan. Still plan to lose 5 more for a total of 35 and will be down to a trim 180lbs! With the lexan windshield weight loss of 9lbs and me losing another 10lbs; that's a total of 19lbs since the last update. This should put the total weight right at 2635lbs. Weight goal achieved! No excuses about being "overweight" - in fact, I will have to be sure to keep a couple of gallons of fuel in the car or I could be underweight. |
Nice Tom
When will the maiden voyage be? |
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An early morning quick run up Hwy 2/Angeles Crest Hwy this morning before the tourists/campers/hikers get there.
Bedded-in the new brakes and just wanted to be sure that everything was running fine. That is LA under a blanket of early morning clouds in the background. It was a nice morning and the road was empty! http://i1114.photobucket.com/albums/...pskuro1fgg.jpg |
Looks good!
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I lost one of the retainers for the hard top when I had the roof off last weekend. Got a replacement today.
Sometimes beauty can be found in the smallest components... http://i1114.photobucket.com/albums/...psuye93nor.jpg http://i1114.photobucket.com/albums/...psghpgwmsp.jpg |
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The lexan windshield manufacturer says not to use the stock rear view mirror because the adhesive could damage the lexan so I had to come up with another rear view mirror solution.
I looked at several aftermarket rear view mirrors and they generally mount to the roll bar but the top tube on my cage is stitched right up against the windshield frame so I can't get a hard mount around the cage tube. After consulting with my friend Evan Fullerton, I cut a five panel Wink-style rear view mirror down to three panels for a better fit. Then used the 90deg brackets to mount to the top tube where there is just enough clearance to get zip ties thru between the top tube of the cage and the windshield frame. Pretty sturdy. Perfect placement. More rear view angle than I've ever had before. http://i1114.photobucket.com/albums/...psd7dljpst.jpg |
As long as I am looking to improve performance! This sticker should help...
http://i1114.photobucket.com/albums/...pswm942p2j.jpg |
Practice Day!
Drove up to Willow Springs this morning for an open practice/test day. This means that only race prepped cars/drivers are allowed on the track in an open format - meaning that you can drive whenever you want and as much as you want thru the day. I did four 20-min sessions in the morning and headed back home just as the temp was cresting 100F. The goals - get back on the horse that spit me off into the dirt in May; work on a few corners where I'm giving up a lot of time; and test the car to make sure that everything is running well before I head up to race at Laguna Seca in two weeks. Everything went great and the car ran beautifully in the heat - no problems whatsoever. In the first two sessions, I slowly built up to qualifying times. Then in the 3rd session, I underestimated how slick the tires would get once the weather heated up and found myself in a big power slide on entry into Turn 2 at a bit over 100mph. The video shows how easy it is to slide a Boxster - they rotate very quickly because of the mid-engine layout and so your hands need to be fast but smooth to catch the car. If your hands are slow, it will come all the way around. Just remember, quick-smooth, not lazy-smooth. Ready for Laguna Seca. :) http://i1114.photobucket.com/albums/...psosrujusk.jpg <iframe width="540" height="360" src="https://www.youtube.com/embed/kAJH8PlkVZ8" frameborder="0" allowfullscreen></iframe> |
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You can see that I tend to shuffle steer by sliding my hands along the steering wheel rather than keeping my hands in one location and crossing my hands/arms over each other (although they do cross over when I have to move really fast). Shuffle steering isn't the preferred driving technique for a long list of reasons but it is what I was taught when I started performance driving and it seems to work for me so I haven't focused on changing it. This might be a case of don't necessarily do what I do; but I will also say that you need to find your own driving style that works best for you and not just blindly follow what the "experts" say. But it was all instinct - I never "thought" about what to do, just did it automatically. For me, I don't think its necessarily talent - just lots of seat time. And while I'm no where near the 10,000 hours of practice that is supposedly required to become expert at something, concentrated practice of a skill definitely helps one to improve. So maybe all I need is another 9,800 hours of track time and I'll be racing at Le Mans. ;) |
Nice driving Tom.
Are you sure you were in your Boxster and not your 911 and lifted before the corner? |
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I wish that I had a throttle position sensor to say one way or the other because its really hard to know for sure exactly what I may have done or may not have done to induce the rear to come loose. Things that I know for sure; 1. I got a great run out of Turn 1 so I came into Turn 2 about 4-5 mph faster than on a typical lap. 2. I know this because I was working specifically on carrying more speed thru Turn 1 and was using Turn 2 entry speed as the gauge as to how well I was getting through Turn 1. 3. The rear broke loose as soon as I started turn in at Turn 2. However, it is very possible that I lifted off the throttle for a moment before turn in once I saw the high corner entry speed and that may have either caused or helped cause the rear end to get loose. I'll have to repeat it and see what happens next time at Willow! |
Bit over 100mph power slide?! Said easy lollll holly clap, scary stuff on-vid!
3rd session, slick tires, warm weather..... ruled out sand accumulation? wind pushing sand all over between a session or something? old car now (chassis, etc), careful man |
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I don't think that there was any sand or debris on the track as there was only a light breeze that day. In regards to the "old car", I've decided to refresh all of the suspension bushings this winter as some of those parts probably have 160,000 miles on them by now. And yeah, learning high speed car control is what its all about! |
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