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F15hface
Newbie


Joined: 08 Aug 2019
Posts: 5



PostPosted: Tue Aug 27, 2019 4:45 pm    Post subject: Reply with quote

T8 wrote:
F15hface wrote:


Finally, is there a thread anywhere with the Lotus? If it is anything at all similar to this, it will undoubtedly be another great thread.



ELA has been spending his time elsewhere lately.

See --> http://911uk.com/viewtopic.php?t=134906&start=0&postdays=0&postorder=asc&highlight=elise


Thank you very much T8!
 
  
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ELA
Barcelona


Joined: 30 Aug 2011
Posts: 1328
Location: Nurburgring Doorstep


PostPosted: Sat Aug 31, 2019 12:02 pm    Post subject: Reply with quote

F15hface wrote:
I'm only new into looking at car forums and just generally having a deeper interest in cars, but this is by far one of, if not the, best threads of any sort I've found relating to any sort of car. Truly an incredible and inspirational journey, that I hope will be a useful source when I hopefully one day get a 996 and start tinkering.

While I understand that such is unlikely to be anywhere near a priority for you, is there any chance of the drive by Jethro Bovingdon mentioned almost two years ago materialising? To see a video of him driving the car and hear his thoughts on it would be a really interesting way to round off the thread and progression of the car, as well as being immensely entertaining for anyone who's followed this thread for at least part of your journey through building the car.

Finally, is there a thread anywhere with the Lotus? If it is anything at all similar to this, it will undoubtedly be another great thread.


F15hface this post has struck a chord with me to get my a55 in gear. Since getting the car TUV Approved I've pretty much left the car in the garage and forgotten about it with so many other issues taking priority. I think I owe it to the car to get it perfectly set-up for a serious review. I will take the car to the best in the business over the next few weeks for some professional driver sessions and set up (Manthey Racing). Once fully sorted, I'll look at finally getting a video review done. I was previously in email contact with Jethro but since then he has started a new life over in the States. Although he would be my No.1 choice, if he is unable to take up the challenge I'll look into other options Wink
Regarding the other point you raise; I'm really overwhelmed to hear you value the content of this thread and if it one day motivates you to get into a 996 and start a similar journey then all my efforts have been worth it Thumb Thank you
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ELA
Barcelona


Joined: 30 Aug 2011
Posts: 1328
Location: Nurburgring Doorstep


PostPosted: Sun Oct 13, 2019 3:01 pm    Post subject: Reply with quote

I made a little video today highlighting some of the key features on the CLR 996. I'm not one for being in pictures or videos. This is raw footage with no editing or preparation (either the car or myself), just a case of picking up my phone and running with it, so apologies in advance. I also forgot to go over many aspects of the car such as the steering rack, Polycarbonate windows, wiring loom alterations… but hopefully you catch the drift. Due to the size it is split into six parts including front and rear axle, exterior, interior, paint scheme, test drive and exhaust testing:

Part 1
Part 2
Part 3
Part 4
Part 5
Part 6
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Martin996RSR
Nürburgring


Joined: 08 Dec 2016
Posts: 419



PostPosted: Mon Oct 14, 2019 8:40 am    Post subject: Reply with quote

Hi Richard, thanks so much for doing those. It's great to see the car in video as well as the thread pics.

Can you describe how you arrived at using no front anti-roll bar? I'm considering going with a base model Boxster one to try to reduce my front roll stiffness to improve low-speed turn in. I also have a lighter than standard front end, with 1 rad fan, no aircon gubbins, same battery as you, and no spare/toolkit.
 
  
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ELA
Barcelona


Joined: 30 Aug 2011
Posts: 1328
Location: Nurburgring Doorstep


PostPosted: Mon Oct 14, 2019 10:20 am    Post subject: Reply with quote

Hi Martin, I would not recommend removal of the ARB for the reason you mention. In order to improve turn in I would adjust camber and toe angle, then alter the rake angle (+front bias).

I don't go into detail in the short clip but my primary reason for ARB removal was to reduce steering force load. Also bear in the mind I have around 250kg removed so besides the components you mention: all hifi/amps, carbon bonnet, carbon wings, Fuchs 17's and light Michelin tyres, forward brace, horn x1, batt tray, alarm, all associated bracketry...basically anything I could get away so there is probably at least another 50kg from the front end.

In removing the ARB you will indeed improve initial turn-in but this will be at the detriment of induced chassis flex, leading to roll and snap oversteer.

In unison with the completely altered geometry 52mm wider front track, lower castor angle, more camber, Ohlins and -18% weight I just about get away with it but this car was not designed with ultimate lap times in mind, I wanted to recreate handling of old, to make it more characterful and rewarding in all driving conditions.

I wish you were here today you could go for a test drive in my car and see what I mean (23.C and not a cloud in the sky Wink ). By all means whip your ARB off and try it but take it steady. I think you will be putting it back on again pretty sharpish unless you have gone to extreme lengths to counteract the inherent chassis dynamic changes I mention above.
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911munKy
Montreal


Joined: 26 Nov 2014
Posts: 564



PostPosted: Mon Oct 14, 2019 3:46 pm    Post subject: Reply with quote

Nice to see one of the all time best car threads living again, thanks for the video updates, I still want to know even more about the car though!
Ultimate road going 996 Thumb
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Martin996RSR
Nürburgring


Joined: 08 Dec 2016
Posts: 419



PostPosted: Mon Oct 14, 2019 4:14 pm    Post subject: Reply with quote

I tried no front anti-roll bar a couple of years ago whilst troubleshooting a knocking sound. It was pretty much as you say, much better turn-in but snap oversteer once the car loaded up past a certain point. It meant drifting roundabouts in the rain at 20mph was a cinch, but pressing on in the dry on long sweepers was something to really focus the reflexes. That's why the plan is to keep an anti-roll bar but go for something much softer than the M030 that's on there currently.

I do now have much stiffer shocks and springs on the rear, and that's what cured 80% of my understeer problems, but I'm still hankering after more front end bite and better ride. If I could afford them, then I'd go for Ohlins, but as it stands I think I'm going to re-valve my H&Rs as on full soft they're still too hard for anything but a smooth road.
 
  
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ELA
Barcelona


Joined: 30 Aug 2011
Posts: 1328
Location: Nurburgring Doorstep


PostPosted: Tue Oct 15, 2019 11:10 am    Post subject: Reply with quote

Hi Martin, as a quick fix perhaps try a slightly stickier front tyre compound than the rear. It might fix your issue perfectly, something like a CUP2 up front and a MPSS4 on the rear. I would not normally suggest different compounds as side wall flex and other issues may be a negative side effect but for what you are looking for it may be a simple and cheap solution.

911munKy wrote:
Nice to see one of the all time best car threads living again, thanks for the video updates, I still want to know even more about the car though!
Ultimate road going 996 Thumb


Thanks Munky, I do try to put most of the data and development on this site. I'll also look into options for video reviews Wink
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Marky911
Magny-Cours


Joined: 04 Jun 2009
Posts: 2657



PostPosted: Thu Oct 17, 2019 5:30 am    Post subject: Reply with quote

Good update Rich.
Nice vids. I’ve only watched part one, but I’ll get the rest watched soon.

Goodstuff! Cool

PS. You’re one of those blokes that has a calming influence. I can’t imagine you throwing spanners around when things don’t go right, like I do. Grin
 
  
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T8
General
General


Joined: 29 Jun 2010
Posts: 16111
Location: Kent


PostPosted: Sun Oct 20, 2019 3:07 pm    Post subject: Reply with quote

ELA wrote:
Marky911 wrote:
Good update Rich.
Nice vids. I’ve only watched part one, but I’ll get the rest watched soon.

Goodstuff! Cool

PS. You’re one of those blokes that has a calming influence. I can’t imagine you throwing spanners around when things don’t go right, like I do. Grin


My Mrs, doesn't quite see my antics as calming; well certainly not after this which I'm about to explain...

A slight thread deviation but I feel some of the readers here may find this of interest. Well I’ve just returned from a rather mental drive to Stockholm and back to collect my next car.



Details and LOTS of photos of this fantastic ALFA PROJECT have been moved to a separate thread.

Click Here -> CLR Alfa Project
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NedHan79
Hockenheim


Joined: 08 Nov 2018
Posts: 654



PostPosted: Mon Nov 18, 2019 9:59 am    Post subject: Reply with quote

I’ve just spent the last week reading through this, very gripping stuff. Seems you have done a cracking job by any ones standards. It’s one thing to take an idea and make it work, it’s another to go to town like this. I can’t believe you had the patience to stick at it. I’d have lost the plot long ago but I do know what it’s like to have a dream.
It was a thoroughly enjoyable read with some first class ideas and info for the rest of us.

We are all aspiring to make our 911’s better in some way or another but that’s a high target to be aiming for.

I’m on a bit of a “restoration” of my own car and as I go I’m doing a few mods here and there on a tight budget. A few things I do want though are the gt3 seats and a lightweight battery. I’ll be doing the clutch and other bits so I’ll go the lwfw route.

Can I ask what spec battery you were able to use? It’s a weekend toy and I have a c-tek so the whole race car things grand. I can also sort AaAn aluminium bracket easy enough too.

Can I ask your opinion on an aluminium race car style undertray instead of the standard plastic ones? I could knock this up easy enough.
Any thoughts on this?
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ELA
Barcelona


Joined: 30 Aug 2011
Posts: 1328
Location: Nurburgring Doorstep


PostPosted: Mon Nov 18, 2019 12:03 pm    Post subject: Reply with quote

Hi Ned, the best battery in the case you state would be the:

Shido Lithium LiFePO4 LTZ14S

You can probably pick one up for £100 new, they weigh about 950gr so a saving around 16.5kg just on the battery. You will need a suitable lithium trickle charger; only around £40.

The OEM undertray is made from steel so you will save another 1kg or so here (the exact weight saving is probably on my first page, it may even be a little more).

Glad to hear you are looking into weight saving options and have found the thread useful Wink

ETA: just checked the first page: battery tray is 1.2kg
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Martin996RSR
Nürburgring


Joined: 08 Dec 2016
Posts: 419



PostPosted: Mon Nov 18, 2019 12:16 pm    Post subject: Reply with quote

Hi Richard
The undertrays Ned is referring to are the ones that fix to the underneath of the car rather than the one the battery sits on.
 
  
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NedHan79
Hockenheim


Joined: 08 Nov 2018
Posts: 654



PostPosted: Mon Nov 18, 2019 12:31 pm    Post subject: Reply with quote

Hi Richard, is that a bike battery?

And martins right, I’m just talking about the chassis under trays.
I’ll sort the battery box/tray when I get to the battery
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ELA
Barcelona


Joined: 30 Aug 2011
Posts: 1328
Location: Nurburgring Doorstep


PostPosted: Sun Nov 24, 2019 9:55 pm    Post subject: Reply with quote

Hi Ned, yes a bike derived lithium battery. Very compact but has plenty of cranking power.
Regarding undertrays, the standard plastic ones are very light. So I guess you are looking at this for other reasons. I personally wouldn't bother as I can't even see marginal gains. Only possible positive may be if in doing so you fit NACA ducts and route some cool air around the engine
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NedHan79
Hockenheim


Joined: 08 Nov 2018
Posts: 654



PostPosted: Mon Nov 25, 2019 12:34 am    Post subject: Reply with quote

ELA wrote:
Hi Ned, yes a bike derived lithium battery. Very compact but has plenty of cranking power.
Regarding undertrays, the standard plastic ones are very light. So I guess you are looking at this for other reasons. I personally wouldn't bother as I can't even see marginal gains. Only possible positive may be if in doing so you fit NACA ducts and route some cool air around the engine


I was only asking about Ali under trays is because I need some and just thought about making them rather than buying. I’ll maybe look more into this when I get that far Thumb
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