Heading downhill fast... - FFCars.com : Factory Five Racing Discussion Forum
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post #1 of 8 (permalink) Old 08-14-2019, 05:23 AM Thread Starter
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Heading downhill fast...

Hey Guys,

I know I haven't been around much but I have been busy. One reason why is that Saturday is the Portland Adult Soapbox Derby on Mt Tabor and I'll be there running in it. If you haven't heard about it, it's part circus, part sideshow, and part race featuring a BROAD spectrum of vehicles whose only source of power is the universal law of gravitation.

There is lots of info here: Portland Adult Soapbox Derby

But what you only really need to know is it’s at Mt Tabor Park on the east side of town and will run from ~10a to ~4p.

This is the official map:



There will be food and drink vendors on site even with adult beverages.

Public parking is not available in the park on race day, the park is closed to non-event traffic. You’ll have to find a spot outside the park and walk in.

Bring a blanket or lawn chairs. You can spectate everywhere except the outside of the “Learning Curve”.

If you make it out, please stop by the pits and say hi. Look for the white and red cars, painted to somewhat match my GT. That’s where I’ll be if not staging for or making a run. Hope to see you there.

Chris

Carography thanked this.
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post #2 of 8 (permalink) Old 08-14-2019, 05:25 AM Thread Starter
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My entry this year:



There are actually a total of 5 entries under the Scuderia Kouba banner! I have constructed over a tenth of this year's entries... Holy crap!

Chris

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post #3 of 8 (permalink) Old 08-14-2019, 11:42 AM
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Super cool car and looks like a neat event. Good luck!


Sent from my iPhone using Tapatalk

Rob

12/7/1941
9/11/2001
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post #4 of 8 (permalink) Old 08-14-2019, 07:55 PM
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Chris, Sorry I'm going to miss your race. I'm road racing the Cobra at PIR this weekend. Timing sucks! Give'em hell man. Go for a threepeat.
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post #5 of 8 (permalink) Old 08-17-2019, 04:17 AM
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Lindy and I will try to be there. Lots going on this wknd and Lindy leaving for the islands and I might go down to Bouy#10 to fish?lol Best of luck! And I'm betting one of your cars or more will do just fine!! Good luck to you and your team--
Butch


PS
Me thinks I know where that pic was taken(but my lips are sealed!)
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post #6 of 8 (permalink) Old 08-18-2019, 05:19 PM
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Thumbs up

Hey Chris, Lindy and I went over to Mt. Tabor to ck things out. OMG, parking was impossible! I have a "bad foot"(couldn't find a handicap parking spot?) and couldn't walk in that far to support you guys. We were there in "spirit". Hope all went well?!
We did watch a small clip on the news this morning about the event!(lol)
Butch
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post #7 of 8 (permalink) Old 08-19-2019, 09:08 AM Thread Starter
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Butch- sorry to have wasted the drive. I had a spare racer pass which would have gotten you on the mountain had I known it would be needed. But clearly, your spiritual support was well received because...

Get out the brooms, we swept the podium:


L to R: 3rd place - Andreas Gute in the Mk V, 1st place - me in the Mk VII, 2nd place - Alyssa Hanson in the Mk I

What a day! Most everything went right to plan until it didn't... From slowest of our entries to the fastest:

The Mk III - Never planned to be an overall contender but more of an enjoyment ride down the hill, this was piloted by Sean Doran who got connected with the team as part of a fundraiser for a local school. The bodywork was themed and painted by the third grade class of the school and he went out testing and karting with the team for a number of sessions prior to the big day on the hill. The car was running in the mid- to high 30's in testing and topped out in the low 30's on race day (the race course isn't quite as steep as our test hill), and qualified with an average ET of 104.7 seconds. Car ran well down the mountain and Sean was very happy with his entire experience on the team. He was truly a competitive spirit (see below), a great fit with the whole group and a pleasure to have represent the Scuderia.



The Mk VI - This was a new build for this year, designed by Jeff Burns for his wife (and last year's 3rd place winner), Jenny, to drive with Alyssa and Jodi down the hill. Based on its size, we knew going in that it would be a challenge to get this car through to the final heat- it would have the mass to overcome the drag, but it might just have a little too much drag to overcome. Regardless, it was a beautiful and well constructed entry, complete with disc brakes on the BMX wheels which I had the pleasure of precision machining and welding (no pressure, right?). It also sported fantastically constructed aluminum fenders which Jeff beat into shape himself. On race day, Jenny qualified 13th with an average pass of 88.6 seconds but was knocked out of the fight in the first round of the finals.

The Mk VI in the staging lanes:

Jenny behind the wheel, Alyssa riding shotgun, Jodi backseat driving

The Mk V (2018 winner) - Dusted off and re-entered (you know, because we could...), this car was basically right off the podium from last year's event. It made ~half a dozen testing passes one day in June for the driver line up to get familiar with the car, then it went back on the stands until getting loaded up for the event yesterday. Really the only thing we did to it was replace the tube which tore its valve stem when we were checking tire pressures. That's it. This year it was capably piloted by friend and supporter of the team, Andreas Gute, who was dumb enough to think that snuggling into 170 pounds of steel, plastic, rubber, and duct tape to run downhill over 45 mph was a good idea. He qualified the car #2 with a 76.2 second average pass and won his two prelim rounds to make it to the final.

The Mk V on course at speed:


The Mk I (2017 winner, 2018 3rd) - This was a substitute entry for the Mk II but was also pretty much as-raced and off the podium from last year. It went to testing this year strictly as entertainment for the other drivers who were sharing rides just to make passes and get seat time, not for race development and was literally a last minute car swap. Last Thurs, I made my first pass in the car since 2017 (before we had decided to make the swap, purely for nostalgic reasons) and when I stepped out of it, I was still blown away by how sweet and forgiving the car is. It just had no bad habits. A few things aligned to make running it the right thing to do, and the driving duties would be shared by the whole crew of drivers- Jenny, Alyssa, Jeff (formerly Chief Mechanic), and Sean. On race day, most everything went to plan, until it didn't during Sean's heat in qualifying. When trying to overtake someone with a reputation for foul play, Sean made a move around the outside and they drifted out into him. He kept it on the road but sustained some wheel skirt damage in the skirmish. The nemesis didn't fare as well, having a handful of his spokes broken and a tire which went flat by the finish line. Upon return to the pits we had some work to do, but nothing insurmountable. Sean was ripped though and primed for a grudge match, which proved unnecessary due to how we were already qualified 1-2-3, with the Mk I averaging a 75.9 second pass.

The Mk I wrapping up the semi-final run, Jeff behind the wheel and with right front wheel skirt damage/repair visible:


The Mk VII (this year's winner, new build for 2019) - I burned the midnight oil on this car this year. We were a bit behind our preferred development schedule and I wasn't completely happy with how it was shaking down. Tues-Weds this week, I completely rebuilt the front end, trued and balanced the wheels, realigned everything, plus performed some other magic. After being burned last year making last minute changes, I gathered the team for one more session and made some passes. All the work paid off in smoothness and quietness, but it wasn't until the testing data started coming back in that I had any confidence that the new car was any faster than last year's- it showed we were making passes which were consistently just slightly faster than last year (~1-2 mph). I hadn't completely mentally committed to driving the new car (but knew I needed to) so I was glad when the data started playing out.

The Mk VII staging for its first heat of the day:



On race day, qualifying went reasonably well, until it didn't...

First pass was a respectable 72.3 seconds, with the car handling exceptionally well. I was worried about it being able to handle the lateral g's (we have recorded >1g laterally) and I was really wanting to push hard this year. Seeing as I hadn't even broken into the 71's, I tried to carry more speed on my second pass. As a result, I took a tighter line onto the finish straight and had a massive moment bucking over a manhole cover/asphalt patch. I went lock to lock saving it and quite honestly am not sure exactly how I did... but I did, and I also managed to still pull down a 72.8 second pass.

But wait, it's not over yet... Qualy pass 3 will never be forgotten. There is another one of those manhole covers just past the turn in to the "Learning Curve" (big tight right-hand decreasing radius sweeper near the bottom of the course). Yes, I knew about it and I'm not sure how it happened, but I set up wide, like I should, but didn't turn in time, and at least one wheel ran over the cover and completely upset the car. The tail started coming left around the front and I went full opposite lock, steering into it with all I had. I was able to save it enough to only drag the right front through the inside (right side) gutter and get re-launched across the track to the left, with the tail end actually coming around on the right side, leaving me pointed back uphill but still rolling downhill- just facing backward at this point (~.2m from the finish line).

Everyone scoffs at rules, right? I give every effort to comply with them as when/if I win, I don't want it to be because we cheated or did something sneaky. We built the cars in total compliance with the very reasonable rules. Well, part of the rules of this event includes we need functional horns and mirrors. In the moment, this actually left me an option: turn the car around with a 934-point u-turn, or use my fully functional mirrors to simply coast backwards the last stretch to the finish. Guess what I did? That's right, brought it home in reverse, using 3" convex mirrors. I really hope footage surfaces on facebook or youtube. I'd love to see it!

Also, I still won the heat!

It wasn't without cost though. I had plowed a pylon in the gutter mid-spin and crushed the right side axle airfoil and knocked the right wheel pant out of alignment as well. Thankfully we time in hand to repair it with a teardown and reconstruction in the pits before the finals started.

So we qualified 1-2-3 and swept the prelim's and semi's. Now it's the payoff round!

Staging for the final round:


I lined up on the inside lane, Andreas in the middle, and Alyssa on the outside. We all got off to decent starts but I think Alyssa and I had a small edge over Andreas. I slipped marginally ahead into the first left hand corner, only putting about half a car length on Alyssa. Moving into the right corner, she clawed back the distance and put me about even with her cockpit. As we moved into the next left hand sweeper and picked up speed, I was able to close that distance back up and as we continued to gain speed, I was able to slowly walk away from her down the main straight. After my prior experience, I was able to appropriately manage my line through the big corner and finish straight to cross the line first, with fast time of the day- 71.9 seconds. Alyssa held on to second with a time of 76.6 seconds, and Andreas pulled a 79.0 second pass. Turns out when Alyssa and I closed up, we pinched Andreas a bit and he tapped his brakes.

The finish:
https://youtu.be/1WG3fzSwVsw


The podium:


I'll have more pics to post in time, I had little time to take them myself and they are only now just trickling in over the internet.

What a fleet:

Last edited by ckouba; 08-19-2019 at 09:23 AM.
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post #8 of 8 (permalink) Old 08-19-2019, 10:40 PM
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Good work Chris. Congrats on the threepeat!
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