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Unzipped Composites

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Posts posted by Unzipped Composites

  1. On 17/02/2022 at 7:00 AM, GTSBoy said:

    Nah.... buy a 65" TV from Kogan et al and shipping is only a small amount of money. Boxes the size of front guards are shipped around all the time. Even the bonnet might not be quite as bad as you expect. I mean.....if you (or say, I, because then there is defo shipping from Syd/Mel to me in SA) buy a JSAI bonnet from JustJap, or Seibon, the freight on that is unpleasant, but not excruciating - not compared to the cost of the bonnet, anyway. A box with a pair of seats from east coast to SA/WA is only a hundred bucks or so.

     

    Yes, but as I'm sure you're aware, freight companies work on accounts with their clients. A massive company like Kogan shipping massive volumes all around the country are going to get a better deal per CBM than a company like JustJap who just aren't shipping as much volume. And certainly for a business like mine where 99% of my market is local, I won't get any sort of deal on shipping a bonnet across the country, and I haven't got the leverage to say 'give me a better price or I'm going with someone else'.

     

    I've priced up freight on full size panels for Eastern States clients before, but not since Covid. Back in 2018, it would have cost roughly $1500 to transport an R34 bonnet that only weighed 3kg from here to Melbourne. Cost of the bonnet was $2200, so the freight was not an insignificant part of that. Since Covid, freight prices per CBM have doubled.

  2. Haha yeh, left foot definitely needs a bit of training to get the muscle memory to know how much pressure to apply. Weirdly it's a little bit easier on the race track than on the street though, probably because you tend to be going from full pressure and easing off, rather than on the street where you tend to ease into the brakes as you slow to a stop. Takes less muscle memory to do it in that order.

    • Like 1
  3. On 01/02/2022 at 9:03 AM, PranK said:

    Damn, thats great advice, thanks! 

    I definitely think that I'm jumping off the brakes suddenly. I think everything I do with the brakes is sudden movements. I brake late and as hard as I can but then I'm too committed to have time to get off them slowly, I quickly release brakes and steer. I don't think I'm applying any acceleration until I'm mid corner. Do I need to be able to heel-toe here or is the easy brake release and slight trail braking over before I start to accelerate?

    BTW, I swapped front and rear track wheels to see if the wider 255 rears would fit the front and they do. I drove around the block and did some big lock turns and no scrubbing at all. Car felt really stable. So, I might try to get a second set of my wheels and mount the new rears to the front to use a square 255 set up.

     

    Trail braking really comes afterwards, you should be heel-toeing if you're clutching in on downshift and that should be happening before you start turn-in.

     

    Once you've started turn in, you want to keep the weight of the car steady so that the front tyres are using all available grip to bring the front around. When you clutch in, you shift the weight again, so you don't want to be doing it once you've got too much steering angle. 

     

    You want to be hard on the brakes on approach, downshifting as you do. In a manual h-pattern with a cable driven throttle body, your revs drop off when you clutch in, so then your tyres are rotating faster than your engine and that upsets the balance of the car when the clutch re-engages. You heel-toe to bring the revs back up to road speed and keep the tyres happy. If you've got a sequential/automatic, or drive-by-wire throttle body with auto-blip, you dont need to heel-toe.

     

    As you start turn-in, you should be just about in the correct gear for the corner, trail-braking by easing off the brake but not completely off it until you apex. It's not really happening 'slowly', it's happening smoothly. As you turn the wheel in, you ease your foot off. As you turn the wheel out, you ease your foot onto the accelerator. All of that can happen quite fast, but it needs to be smooth to keep the weight of the car steady and not ask too much of the tyres.

    • Like 1
  4. Yeh, 80's/90's ABS really just an elaborate system of wheels and pulleys, not actually all that functional. To be honest, you are much better off learning what to do in that situation than relying on old-tech ABS to save you, as it's reasonably likely to let you down. 

     

    That said - legal repercussions of removing it on a street registered and insured vehicle is worth looking into properly. It certainly isn't a good look from an insurance perspective to be removing safety items, they probably won't care how useless those items were in the first place. Best speak to your relevant authorities and do what they want you to do.

    • Like 1
  5. On 10/01/2022 at 9:09 AM, PranK said:

    Yeah I'm absolutely not driving it as well as it could be driven and I was thinking that because I have the turn in so good now, then I need to do something to my own actions through the corner. 

    I'm off the brakes as quickly as I can be, I try to get the car to correct speed before I start turning in but that doesn't always happen. I can pull up really well at the end of the Wakefield main straight and be turning in with foot on accelerator but I'm not as clean at the end of the back straight and this final corner is one of the ones I struggle with grip the most.

     

    Yeh so it sounds like you're unintentionally shifting weight to the rear, costing you front end grip. Don't jump off the brakes as quickly as possible, you want to be trail braking up to around the apex. So full brakes on approach, then just before you start turn-in ease off the brakes but not completely, keep a little bit of brake applied to keep some weight over the tyres. How much pressure you apply is directly related to your steering angle - think of it as the reverse of accelerating, you dont jump on the accelerator while you're still at full steer, you ease onto the throttle as you straighten the wheel. Braking is the same, you dont jump off the brakes and turn in, you want to ease off the brakes as you apply steering angle so that as you approach full angle you get to about 10-15% brake pressure to control the pitch of the car.

     

    Also no accelerator on turn in, this also shifts weight to the rear. If you're needing accelerator to drive through the corner then it sounds like you are over-slowing the car and need to brake later. Foot on the brakes as you turn the wheel in, hit the apex, unwind the wheel, roll onto the accelerator as you straighten up the wheel.

    • Like 2
  6. Also driving style as Laine aluded to. If you're too aggressive with the steering input you may be asking too much of the tyres. Are you trail braking at all or just coasting through the corner? Bit of trail brake will put some weight over the front and increase front end grip. Too much will go back to asking too much of the tyres.

     

    Could be loads of things, I doubt it's specifically one thing. But driving style is free, so it's a good place to look first. And once you start changing things setup wise it can become very difficult to determine what is driving style and what is setup. Often the best thing you can do is if there is a driving event that facilitates a driving instructor, then get them to do 2 or 3 laps in your car and note their lap times. Don't start changing the setup until you are close to their times.

    • Like 2
  7. On 16/12/2021 at 11:26 AM, GTSBoy said:

    As above. The original lenses are crap. So replacing with a proper HID is the only sensible approach.

    Also, 3D printing, in THERMOplastic, something which will hold something that gets very very hot, is not necessarily going to end well. You will note from the link that Josh put up that the adapter mounts are metal. And those aren't even very nice ones, compared to some other options. And all of this has been sorted out to a completely satisfactory degree for several years at least.

     

    Just gotta pick the right filament. PPSU has a Tg of 220°C, probably wouldn't be a bad choice. 

     

    Agree though, there's enough kits out there for the 32 that it feels unnecessary to reinvent the wheel.

     

    Also HID's are sooo 1992, go LED.

  8. Also, I've just rewatched things, and I've changed my mind on the decision change haha... It wasn't really a decision change. Masi first said no lapped cars to overtake because the marshals hadn't cleared Latifi's wreckage. You can't have the backmarkers go hairing off without a pace car when there's marshals on track trying to clear wreckage. As soon as it became apparent that they could complete a lap safely, he made the call that they could overtake. But there wasn't enough time for all of them to go, so he sent the ones that were in the way of the main race, which is fair enough. 

     

    #MasiForPM.

  9. On 15/12/2021 at 1:36 PM, Kinkstaah said:


    I strongly advocate for races where drivers can drive at Quali pace, or as near as possible - All race.

     

    This exists. It's called time attack haha. Cars can't sustain that speed for the duration of a race, cars get turned up to 11 for quali and then the strategy is about making sure you don't hit traffic unless you can get a tow where you need it.


    I think you should watch the replay of T6 again. If I could find a sequence of still shots I would post then. Lewis really brakes way too early, Verstappen catches him just about at turn in (Lewis might be turning in a few hundredths before Max). At that point he should have yielded and gone wide through the corner, tried for the undercut through T7, there was plenty of track available. Lewis only had to bail because he still tried for the apex, and Max was already there. If that's not brilliant racing, I don't know what is. You don't have to stick to the ideal line ALL the time, it's not like ducking and weaving down the straights is the fastest way down the straights but if it breaks the tow then you do it anyway.

    Your point on someone ending in the wall I can't disagree with, going into Jeddah I did wonder if Max would conveniently find a way to put him and Hamilton both into touch and take the championship that way. That's really a flaw of the rules again though, the rules of F1 make it an attractive option to just win the championship on number of race wins rather than points. Cue Michael Schumacher. The fact Max would probably be willing to do it I don't hold against him, though I don't know how I would feel if he'd actually done it.

     

    Re. rules interfering with the result, there's loads of rules that have the potential to influence the result outside of SC's. Max ended up on a bad choice of tyre to start the race with because of the rules. If we're removing rules for the sake of not influencing the result, then Max probably would have started on Mediums and would have held onto Lewis' lead better and nullified Mercs strategy advantage. Honestly, the rules are so complex they influence the result in all sorts of ways. Why should SC's be any different? 

     

    Take SC's out, and it's a HUGE advantage to the teams at the front of the pack. The teams at the front of the pack tend to be the teams with the biggest budget. Winning championships becomes a matter of how much money have you got? But you don't want to introduce rules that heavily restrict the teams that do have money, because those teams are the ones driving the sport forward. If you introduce big spending caps to keep everyone on an even playing field, then it becomes a punishment for doing well.

     

    I think safety cars have been complained about for years, but nobody has come up with a better solution. VSC's are good in some situations, but they aren't as safe for the marshals when the track needs to be cleared, AND they still introduce advantages/disadvantages to some drivers in the form of tyre temperatures. VSC's are generally a slower pace than the SC, so they have a bigger effect on tyre temps which of course also effects the race. 

     

    It's not an easy thing, you can't pause a race safely without impacting anyone. If there was a perfect solution, I'm sure it would be implemented.

  10. On 15/12/2021 at 11:46 AM, ActionDan said:


    Also quite bitter that Zhou gets an F1 seat because $$$ and Piastri just gets a reserve seat when he's had such a good run. 

     

    Yeh don't get me started on this. f**k sake. Pinnacle of motorsport cluttered with drivers like Crashjean, Mazespin, Zhou (got nothing clever for his name), etc while actual good drivers sit in reserve. I'm surprised Alfa didn't give Raghunathan a seat after his open cheque book blistering test day 🙄

     

    Looking forward to seeing what Haas do next year. Love Gunther, and I'd like to see Mick do well for sentimental sake, so it was tough watching them this year. Hopefully their focus on the new chassis pays off and they can get back to being more than a placeholder!

     

     

  11. On 15/12/2021 at 10:42 AM, ActionDan said:

    Not bothered at all, it's all good discussion :D

    Agree RC had it tough, agree banning them being in his ear is the right call.

    Is the RC getting the boot as I heard from a mate? Haven't looked in to it. 

    I tend to see Max as being a little aggressive, bordering on too far at times but the f**ker can drive. 

    This is a Danny Ric safe space... 


     

    Oh don't worry, I'm a huge Danny Ric fan, I'm just bitter he's in the mid-pack now (how good was Monza though!?). I've done a lot of work on his dad's 1968 Brabham:

     

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    I haven't heard about Masi losing his job, I really hope he hasn't. Would be a bit of a farce, just because some fans are upset - he's overseen the most exciting F1 season ever, and I'm sure F1 has expanded their fan base this season because of that. He deserves some credit for that, it's a tough gig and all he did was make a decision with the best interests of the sport in mind.

     

    I think Max is refreshing. In a class of motorsport where overtaking is infamously difficult, he gets the job done and doesn't take prisoners. Like it or not, he does improve the standard of racing and he brings the best out of the other drivers as well. Just look at Hamilton this season, he's been an animal under the pressure and we've seen a side to him that we haven't seen in previous seasons. Lewis is regarded as a patient and calm driver - but he's shown an aggression this season that at times made Max look like a saint. Hell, I don't remember Max sending Lewis to hospital this season 😆 

     

  12. On 15/12/2021 at 4:30 AM, ActionDan said:

    Nah not a Max fan, not really a Lewis fan either, but my boy Danny wasn't going take a WDC this year so I wanted to see Lulu take an 8th.

    I agree he made the right call to remove those cars and let them race, finishing under race conditions is always preferred, but the biggest issue is that call came AFTER a prior call that they would NOT be removed. 

    I know Merc missed pit entry simply due to timing of the SC, but had they said straight up lapped cars would drive through, as been the case this season pretty much every time, Mercedes could've pitted on the next lap, lost track position yes, but been behind max on brand new super softs also for a proper lap of balls out racing.

    BUT, that is hinged on whether Lewis gets to retain P2 or does he end up at the back of the train and has actually given away a bunch of spots? I know there's no overtaking under safety, but do you still lose positions if you pit? 

    Otherwise they would be assuming that yes Max has new tyres and those cars in between will be blue flagged but he still has to clear 4 of them who are fall fighting for positions themselves, that will slow him down and he only has 1 lap. Then last second, lapped cars between Max and Lewis please go, SC in this lap, go racing boys! 

    Anyway, that flip flop pissed me off, hard to choose a strategy if things are changing that fast at one mans discretion. 

    Re the Lap 1 incident I am on the fence, When they said he had given back the advantage, I took that to mean Lewis was about 1.5s ahead before max just decided to bomb the braking zone and force Lewis wide, yes he made up that time under brakes, but only did so by forcing another driver off. 

    Lewis lifted and the gap came back to 1.5s, then he got back on the sauce and gapped him flat out. 

    Also, "It's called motor racing, we went car racing" is perhaps once of the dumbest things i have head in ages. All of Australia should be ashamed it was uttered by one of our own. 

    If I was Toto, I would also be in stunned disbelief. 

    And yes, best season we've had in YONKS. Can't wait for March :D

     

     

    Yeh look, I think the decision change was a problem, but he changed his mind to allow the better scenario to end the season, which I think is a good thing. Can understand Merc feeling hard done by, but had it gone the other way it would have been Red Bull screaming about it. There's just no clear guidelines for the RC to base that decision on, he's got both team managers in his ear the entire time telling him what to do (which I think is a joke, I'm glad it's being banned for next season), and in the end I'm glad he made the decision that was the best for the sport.

     

    I actually loved his "it's called a motor race" line haha 🤣 

    On 15/12/2021 at 6:04 AM, Kinkstaah said:

    It was a great season, but Lewis absolutely deserved the win. It shows how silly the rules are - Why not line the cars up on the grid and let them launch with the time intervals they had from one another once it is safe to do so, preserving the gaps, and positions they had on track once the track is again safe?

    There's no reason a safety car has to actually influence the race result at all

    Lewis missed Lap 1 because obvious Max stupid Divebomb is obvious. They let that one go because they could see between the lines in the spirit of the race. They should have let it end properly under the safety car because lets be honest, even after the 'should be illegal' blocking of Perez on HAM, he still opened up the gap again and absolutely would/should have taken then W there.

    There's no way that they weren't artificially influencing the result, and it was influenced many times in favour of Max, which is where the Robbed comments come from, and as mentioned before, the concept of racing safety influencing the result of said race is just a stupid concept.

    To be fair, both drivers have been absolutely outstanding all season and I don't think either of them deserved it more than the other. They're both deserving champions, and that's why it's been such a great season. 

     

    Safety Cars have been part of motorsport strategy for decades, it is part of the intrigue. If you take them away and say we're not going to let any safety incidents effect the race, then the sport gets real boring when you have a car that's 25 seconds in front with 40 laps to go, that's race over and everybody switches the TV off. When there's the possibility of a SC bringing the pack back together at some point, it keeps races alive, keeps the spectators interested, and keeps the teams interested in doing as well as they can to push rather than just going 'ah well this week's done, just bring the car home safe and we'll go again in two weeks'. It might not be the 'fairest' solution for the driver that is 25 seconds in front, but it's better for the sport.

     

    And why was Max's braking into T6 (not T1 sorry) stupid? It was brilliant, it was proper racing. Its not like Hamilton was at the apex and Verstappen lunged in on him, he wasn't locked up or sliding or out of control. What did he do wrong? He didn't force Lewis out, they were virtually next to each other starting turn in, Max had more corner speed, Lewis tried to turn in tighter to squeeze Max and realised he was going to hit him. He should have conceded the corner earlier and there would have been plenty of space for both cars. Why are we all of a sudden not allowed to make up time under brakes? Danny Ric would barely have a career if that wasn't allowed.

     

    More importantly, it was only a week ago at Jeddah that Lewis did virtually the exact same thing to Max on Lap 37. Attacked into the corner, Max should have yielded but didn't and ended up having to bail and leave the track and gained an advantage by doing so. He had to give that position back, so what's different at Abu Dhabi? Max made the corner, Lewis didn't. Lewis got ahead by skipping T7, so he should have given the place back. 

     

    P.S, aware this is off topic, Sorry Dan. You brought it up! 🤣

  13. On 15/12/2021 at 8:12 AM, ActionDan said:

    Picked up the dah I intend to try and hack up. 

    Still has an airbag, do I need to remove this or can I just disable it? 

     

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    If it's the entire system, I would remove it, there's a lot of weight in it. If the activation system has been removed and it's just an empty airbag under the dash then just leave it.

    • Like 1
  14. I feel like I must be the only one that thinks Masi got it absolutely right. The only thing I think he could have done better would have been being a touch more decisive and not changing his mind on the back markers, but otherwise I think he made absolutely the right call and I'm glad he did change his mind. End of the day, there aren't any absolutely clear cut rules for that situation and the race controller needed to make a decision in seconds. The decision he made was the better one for the sport - it ended in a race, rather than a parade.

    I look at it like this: 

    1. As a complete neutral, that was an ending that befit the most exciting season of F1 that I can remember. If that adrenaline pack of a season had finished behind a safety car, that's where I think the sport would have suffered. 

    2. If Mercedes had decided to pit Lewis with the SC and Max had stayed out and got track position - Mercedes would be ecstatic with Masi's call. One of them had to lose, one of them was always going to be upset. I think this taking it to the lawyers business is bullshit, sporting events have no business in a court room. 

    3. In my opinion, Hamilton had an unfair advantage from Lap 1. Max stayed in the white lines, he didn't make contact, for me that was proper balls-out racing and what everyone wants to see. How the stewards thought Lewis gave that advantage back is fkn beyond me, he went from a situation where he should have conceded the corner to being nearly 2 seconds out in front by skipping T2. 

  15. On 26/11/2021 at 7:07 AM, bcozican said:

    😅 when your mate / aero / composite guy is keen

     

    On 26/11/2021 at 10:12 AM, bcozican said:

    I'lm all about the socials hahaha not really its more a requirement

     

    🤣🤣 sorry buddy, I gotta keep on your case otherwise you'd win things and set records and not tell a soul! 

    • Haha 1
  16. Generally window seals are made from EDPM rubber, so regular cyanocrylates (super glue) won't give a strong bond. They might work initially but will pop off again. For a permanent bond you need a high strength cyanoacrylate that has been specially formulated for bonding natural rubbers, like Permabond 105 or ASI RP.

    • Like 1
    • Thanks 1
  17. On 27/10/2021 at 10:41 AM, Dose Pipe Sutututu said:

    All the Pro and Comp series IC are made to order. Unfortunately not off the shelf as you would think.

    I waited 2 months for mine LOL...

    Yeh fair enough, I wasn't sure - I went down the Hypertune route, and even then I just bought the core. I thought someone like Goleby's may have kept some stock of the Pro series. 

  18. On 26/10/2021 at 7:28 PM, Gareth87 said:

    Ok so ive been making enquiries about intercoolers, massive waits at the moment for custom made.. so if anyone has any suggestions for off the shelf coolers would be great. Better yet, has anyone done a back to back with different coolers?

    I dont want to simply trade my chinese cooler in for the same one with a different brand stamped on it..

     

    Plazmaman Pro or Hypertune are the go. Plazmaman more likely available straight off the shelf and a bit cheaper.

     

    In all honesty, I would do the intercooler before you do too much else. Airboxes arent as essential as a lot believe, they do make a difference and they help and given they're fairly cheap and simple to make its not a terrible idea, but - an airbox isn't going to bring 60° charge temps down very much at all. 80° ambient temperature at the pod filter isn't terrible, your turbo is going to be heating the charge air a lot more than that. So your intercooler sounds horrendously inefficient. 

    Cold air intakes from outside the engine bay are also unnecessary, the positive lift and drag you cause by doing that is more harmful to performance than warm IAT's. Unless you can duct air in from an existing opening in your front bumper. But in reality there is already plenty of cold air going to your pod filter, these engine bays are not stagnant pockets of hot air, there is plenty of movement in there.

    Get good intercooler, fit that, go for a retune. If your intake temps are still up over 50°, then think about making an airbox and fitting a water sprayer etc. But I bet you'll find a Plazmaman Pro cooler has your charge temps back down around the low 40's

    • Like 1
  19. It shouldn't really happen, we've got a couple of track cars on E85 that don't get used much and often don't get started for 18 months - 2 years, but they always start up and run ok. You obviously wouldn't do any full load stuff, the fuel won't be any good anymore, but that's more about its ability to prevent detonation than it is about clogging anything. 

     

    That said, it's possible, and always worth doing a full check of the fuel system as you're doing.

    • Like 1
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