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Sounds as if its all moving in the right direction, Donald.
Madmac Motorsport's Twincharged Evo 5
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Can't wait to hear it ... :smthumbup
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It certainly appears to be the case. The wee issues it's had
have stopped us getting the time we need to refine the setup but it's real close to being properly serious :coolsm:I've always known it needed a bigger turbo to get any more from the system but time and lack of funds has stopped.me until now.
I have a wee video of a dyno run so i'll try and get it online from my phone
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With more power and driveability , looks like you will get the 3C record at Harewood this year ...
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Will certainly give it a go
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You were only a knats whisker away last yearWill certainly give it a go
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Managed a few laps of the Alford 'ring' today for a wee shakedown after the winter changes and dyno work. I just used what's left of last years Avons to get rid of them rather than use any of the new set I have.
It's still at 2bar and the track is only 100m long on the straights so I couldn't really stretch her legs much and wasn't wearing a helmet etc so It was just a shakedown to make sure all is good before I launch off the line at Doune on Saturday morning. The throttle response is definitely improved and she pulls at the top end harder but it's difficult to compare as the last time I drove her was last September. She certainly sounds different with the 2nd exhaust in the videos but I didn't notice any difference from inside the car
The dyno work is far from finished though. We still intend to map to 2.5bar and possibly beyond that after Doune, but for the moment she's safe to drive in anger and seems to be behaving. I overfilled the engine oil by more than a litre so some spat out of the catch can onto the windscreen.
I'll be relocating the alternator and fitting a larger sump drain from the oil catch can after Doune, then hopefully back to the dyno to finish the job :smthumbup
The Scottish Hillclimb Championship opener at Doune Hillclimb is this weekend, both days, so if you're in the area come in and see the action. There's 120 entries so it should be a good weekend for spectating
Here's a wee in-car video from today:
It's still at 2bar and the track is only 100m long on the straights so I couldn't really stretch her legs much and wasn't wearing a helmet etc so It was just a shakedown to make sure all is good before I launch off the line at Doune on Saturday morning. The throttle response is definitely improved and she pulls at the top end harder but it's difficult to compare as the last time I drove her was last September. She certainly sounds different with the 2nd exhaust in the videos but I didn't notice any difference from inside the car
The dyno work is far from finished though. We still intend to map to 2.5bar and possibly beyond that after Doune, but for the moment she's safe to drive in anger and seems to be behaving. I overfilled the engine oil by more than a litre so some spat out of the catch can onto the windscreen.
I'll be relocating the alternator and fitting a larger sump drain from the oil catch can after Doune, then hopefully back to the dyno to finish the job :smthumbup
The Scottish Hillclimb Championship opener at Doune Hillclimb is this weekend, both days, so if you're in the area come in and see the action. There's 120 entries so it should be a good weekend for spectating
Here's a wee in-car video from today:
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I never noticed it until i'd stopped. It was just a wee bit in front of the camera, but yes it made me wonderNice work
I bet the oil spitting on to the windscreen was a moment of horror!!
Great work love reading this thread
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Rounds 1 & 2 of the championship over.
Both days sunny but chilly. The track was in great shape but lacked the grip due to the cold. There were over 10 cars badly damaged and time lost to recover and repair barriers so we only got 3 runs each day, 2 practice and one timed run :wallbang:.
The big entry didn't help but it was what it was. I feel sorry for everyone that damaged their cars, some so bad they won't see the track again
Saturday, just used practice to get a feel for the car and it's new power delivery and get back into the swing of things. Did a 46.73s in P2 but slower in the one competition run 47.11s, still enough to win the class but no idea where I came in the ModProd division as I haven't seen the times for everyone else yet. I had a few small teething issues with the car but nothing that couldn't be fixed at the venue.
Today I had upshift issues in P1 that turned out to be the linkage bracket on top of the gearbox had worked loose. Fixed that and P2 was a 45.7s. The car felt great, planted, stable and the power delivery is just stunning. Especially top end she pulls very strong so I had to be a bit wary until I had some seat time. I crossed the finish at 97mph in P2
There were more delays and finally I got to the line for T1. Launched as usual and there was a loud bang followed by No drive :angel: the nearside front outer CV sheared. I fitted my spare but there was still no drive but we weren't getting another run anyway so back home to have a look. Turns out I also sheared the other front shaft at the same time oops :lol:
both front shafts were original to the car, and have never been changed so they have taken some serious abuse! This is the kick up the back side I need to look at getting stronger shafts made so i'm going to look into that next week.
I have one decent run on video but need to edit out the 5 minutes of the top paddock because I forgot to switch off the camera :blush:. Once I work out how to do that I'll post up the video as it shows how responsive it is now.
really happy with the power delivery and response. She's been transformed again and we've only just started on the mapping. This is at 2bar, we intend to go higher at next dyno session :angel:
I'll post up the video tomorrow
Both days sunny but chilly. The track was in great shape but lacked the grip due to the cold. There were over 10 cars badly damaged and time lost to recover and repair barriers so we only got 3 runs each day, 2 practice and one timed run :wallbang:.
The big entry didn't help but it was what it was. I feel sorry for everyone that damaged their cars, some so bad they won't see the track again
Saturday, just used practice to get a feel for the car and it's new power delivery and get back into the swing of things. Did a 46.73s in P2 but slower in the one competition run 47.11s, still enough to win the class but no idea where I came in the ModProd division as I haven't seen the times for everyone else yet. I had a few small teething issues with the car but nothing that couldn't be fixed at the venue.
Today I had upshift issues in P1 that turned out to be the linkage bracket on top of the gearbox had worked loose. Fixed that and P2 was a 45.7s. The car felt great, planted, stable and the power delivery is just stunning. Especially top end she pulls very strong so I had to be a bit wary until I had some seat time. I crossed the finish at 97mph in P2
There were more delays and finally I got to the line for T1. Launched as usual and there was a loud bang followed by No drive :angel: the nearside front outer CV sheared. I fitted my spare but there was still no drive but we weren't getting another run anyway so back home to have a look. Turns out I also sheared the other front shaft at the same time oops :lol:
both front shafts were original to the car, and have never been changed so they have taken some serious abuse! This is the kick up the back side I need to look at getting stronger shafts made so i'm going to look into that next week.
I have one decent run on video but need to edit out the 5 minutes of the top paddock because I forgot to switch off the camera :blush:. Once I work out how to do that I'll post up the video as it shows how responsive it is now.
really happy with the power delivery and response. She's been transformed again and we've only just started on the mapping. This is at 2bar, we intend to go higher at next dyno session :angel:
I'll post up the video tomorrow
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The launches were better than last year and consistent around 2 secs, 1.97 was the best. When the shafts broke i'd already spun the wheels to get some heat in the tyres before the start line and held launch throttle for longer to build more boost. I guess that was too much for the shafts :lol:
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Epic :smthumbup:smthumbup
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Here's the video P2 from Yesterday. This is the fastest run of the weekend 45.73s. I had a look back at last years in-car of the 45.14s run and i was 10mph faster over the line yesterday
The new barriers up tunnel out onto meadow and after East Brae took getting used to as the line of sight at Junction changed on the right hand side.
Not pushing very hard, just getting comfy and used to her after the winter break and the changes to the Twincharger system. It's a shame she broke at the start of T1 run as I was fired up for a committed run.
The new barriers up tunnel out onto meadow and after East Brae took getting used to as the line of sight at Junction changed on the right hand side.
Not pushing very hard, just getting comfy and used to her after the winter break and the changes to the Twincharger system. It's a shame she broke at the start of T1 run as I was fired up for a committed run.
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Attachments
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Ignoring the fact that the GPS lags behind the car then. How else could the speed continue to climb after I lifted off
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At the same point on both videos there is a 4mph difference... with the lag being relevant to both videos, so therefore equal at the same pointIgnoring the fact that the GPS lags behind the car then. How else could the speed continue to climb after I lifted off
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and the maximum speed being relevant to both videos by that deduction too thenAt the same point on both videos there is a 4mph difference... with the lag being relevant to both videos, so therefore equal at the same point
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Not after the line. If you listen to your video whilst keeping your eye on the finish line you can see/hear you lift off later on your 2015 video.and the maximum speed being relevant to both videos by that deduction too then
Best to look at the difference at the same point on both videos rather than peak speed after you finished your run. 4mph isn't to be sniffed at at lower boost, but you certainly didn't have a 10mph higher terminal at the finish line. No offence.
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