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Roll bar

I thought these sort of roll cages intended for track use were meant to have a plate tacked on them to state they have been made to certain criteria to meet current standards?
 
John,

My mistake at the wall thickness, it is 2.5mm, as for divulging the manufacture I will tell anyone off line, there is a sticker on it to say who it was made by, but they will not sell this to anyone who rings up and wants one. They will only sell it through me as they said, they would never have made it had they not been asked, and they had my car for two weeks for manufacture, it is not mine or there design, it is both of ours and anyone is free to copy it.

I am not making a profit on the price I paid, I have been approached by someone on the PCGB forum who wants to market as a retail unit, I was going to turn them down as I believe to retail it the price maybe prohibitive. I hoped I was offering people an alternative, that from here on in will not get any more publicity. I am sorry if I have broken the rules, it was not my intention.
 
That sounds fair enough to me and was the answer that I had hoped you would give. It is this sort of comunity spirit that makes the forum what it is.

With regard to someone else flogging your bars (I wonder who [;)]) I would agree that unless they shipped lots the price wouldn't compare. IIRC a similar thing happened a popular dash light upgrade.

In answer to James' question, I'm not aware of bars being plated for race use. They are checked by the scrutineers before a race. If there was any question in a cages integrity I could see it would be easier for the competitor to obtain an MSA FIA certificate but otherwise there isn't an official plate. IIRC a bar should have a hole in it so scrutineers can check the tube thickness but I never had one on any of mine. Each race series specifies what reference blue book drawing is the minimum acceptable protection so it isn't difficult to check what complies and what doesn't.

You don't need anything for track days - not even an MSA approval sticker on your helmet.




 
Just seen this rear roll hoop tonight. VERY good quality....+ substantialy strong....[8D][8D][8D]
If i wasnt in the middle of sorting out my Safety devices rear cage, then ide be having one of these....
I actually like the idea that you can bolt it in , then remove it when you come to sell the car [transfering it to the next , OR sell it on,],,leaving NO trace of it ever being fitted....
Not like some rear cages....

Nice job Pete.....Keep up the good work....[:D][:D][:D][:D]
 
This has caught my eye but the price is FAR to high! Itd be viable and offer reasonable value if the price was £190, rather than £380.....
 
The harness bar [:eek:]. It is much to low. Your shoulder straps should be horizontal ideally.

You cant use harnesses with ordinary seats anyway and you shouldnt expect them to be properly effective in restraining you....................and before a lot of people come back with "I do".....................you are wrong, the shoulder straps will be wrong..............they will!

Simply look at seats designed for harnesses (a la 968 Clubsport seat), look at the width and position of the harness slots in relation to head, neck and shoulders. Then compare where the straps will be on a normal seat. You will find they will be ideally placed to spread wide and down the seat side just when you need them most and you wont tension them properly as you`re squashing the seat first!

Edited to add the `roll hoop` under discussion is great but it does need triangulation or `chocolate teapot` or `for show purposes only` come to mind especially if it is meant to regularly and genuinely provide roll-over protection at track days or racing. I am amazed a company that would put their name to it would not have recommended it? Also I agree completely with Jon, any harness straps should be just below horizontal to avoid compressed spine injuries.

If they did not take all of the above into account then is it 1) simply a fabrication from materials available or 2) a designed product?. I`d say the former so although interested I`m going to pass on this one.
 
ORIGINAL: Hilux

Edited to add the `roll hoop` under discussion is great but it does need triangulation or `chocolate teapot` or `for show purposes only` come to mind especially if it is meant to regularly and genuinely provide roll-over protection at track days or racing. I am amazed a company that would put their name to it would not have recommended it? Also I agree completely with Jon, any harness straps should be just below horizontal to avoid compressed spine injuries.

If they did not take all of the above into account then is it 1) simply a fabrication from materials available or 2) a designed product?. I`d say the former so although interested I`m going to pass on this one.


Look if you want triangulation you can have it! If you want belts and braces + whistles you can have them. Unless you have seen this bar the and the designs you are not fit to comment. It is made of FIA current standard material. It has passed MSA scrutineering several times this year. It has been disscussed at length by some of the best engineers and quality engineers in the country. It is designed to add extra protection in the event of a roll or side impact. It is not a group A rally car roll bar and was not designed as such. The middle harness bar is a perfect height for 968 club sport seats.

I really wish I has never posted this bar up. It works, I like it, MSA scrutineers like it, everyone from the 944/68 world that seen it likes it, those that have got them fitted like them. If you don't fine but please don't make uniformed coments about triangulation bars, it was designed to be strong enough to take a roll without one. I do not intend to barrel roll my car so it does not need one, if you do intend to barrel roll you car, buy a FULL CAGE!!!!!!!!!!!!!!!
 
I've got to back Peter up on this one. At the end of the day, this forum encourages free speach and people always have different opinions. On the other hand, it is my opinion that classic car ownership is something very personal and exactly what you do with your car is entirely up to you. Therefore, where I think it is fine to express a difference in opinion, I think making derogatory comments towards a product that a private individual has taken the time, effort and expense to have developed for personal use, with the assistance of experts and the appreciation of people who know better, is unacceptable. Paul, I don't know what you do for a living, or what expertise you may have, but if Peter says that this product was developed by experts, and approved by experts, I'm inclined to believe him.
 
I have to hand it to you Peter, as a solution for those that want to fit bucket seats and make their cars into track spec without having to go the whole hog this looks great. I have thought about this whole debate no end the past few years and for me anything more and you might as well just fit a full cage. I think some ppl have a bit of a problem with half cages and would advise to go for a full cage or do nothing, well this solution is certainly going to be better then nothing but will leave the car in its original condition. I wonder if this could be fitted for some of the sprint championships? Our local one down here for example has a class in which the full interior must remain intact except front seats, and harnesses so surely a roll hoop like this?

Quicky question but where do we reckon the cut-outs on common bucket seats would be in comparison to Peters CS seats? I reckon likely in the same or similar place?

I will have a think about this and may contact you after Christmas Peter.
 
Good man Neil, can't imagine the harness slots would be massively different. I'll be looking to buy Jan too. Anymore for anymore???
 
When I say think, the reason is I am getting increasingly itchy to try a torsion bar 911. I have been looking in all the usual places, some of the cars coming up now are amazing value. The guys that keep saying you need to spend 15 to 20 grand are living in dream land. I passed a month or 2 back on an SC that was in amazing spec, spoke to the owner at length via email everything done on the car, I think he really wanted to get to £10K but I couldn't go higher then 8 grand. Thing is I reckon now I could probably find one as good for £8K or so. Just had it confirmed the other day that my contract is safe so I am having a problem deciding if perhaps the best thing would be to get the S2 ready for sale next year and see what the credit crunch brings.
 
Try one. They aren't for everyone, and the 944 is definitely not any more a stepping stone to a 911 than a BMW or Merc would be, but in your case I think you want the things it would deliver, Neil. I'd also propose you go for a 3.2 Carrera Sport as they are the last and best of breed, barring perhaps the astronomically expensive sought after RS and similar models.
 
I think you are right Fen, about 12K now seems to be plenty enough to get a sorted 3.2. A good few cars cheaper then that. Not talking about low mileage concourse because I want to use the thing of course. Something like my 968 in fact, loads of big bills already done and solid chassis, higher miles doesn't worry me. In fact I think getting the 968 has given me confidence in buying, some real bargains out there. I had my car down at Marque21 today, Tim had a real good look over the car nothing other then small bits and pieces need doing, I think he was amazed how much 6 grand buys these days.
 
Pete.
Take no notice of them...
Both you + I know its a GOOD bar.
Theres always the comittee of "they", on these forums, "they" who think they know better, even when "they" dont have the full story.....[8|][8|][;)][;)]
Typical internet forums....[;)][;)]
 
Paul, I don't know what you do for a living, or what expertise you may have, but if Peter says that this product was developed by experts, and approved by experts, I'm inclined to believe him.

I am sorry if my post appeared direct. I am not the type who sets out to insult other peoples endeavours, apologies.

My expertise is limited only to building cars now and again, including roll hoops and stays etc where I admit I`m not an expert but do appreciate basic engineering principles and advice I`ve picked up over the years

My only reason for pointing out potential deficiencies is that it is only stated as made to MSA standards. To me that meant the bearing plates, bolts and steel are to their spec. It was NOT stated until later that it passes tested criteria!

On the basis that it was then an unknown standard I wanted to ensure that others who might purchase it and track their cars thinking they had an MSA aproved roll over hoop were aware of POTENTIAL deficiencies.

I still stand by two statements however that triangulation is key to strength and that you should not use harnesses with a standard seat.
 
Sorry, v tired this week and got confused by my OT discussion with Fen. I agree though nearly 400 quid for something of limited value looks very poor VFM compared to a full cage. Not many solutions around that don't require some amount of car and carpet hacking, I guess the fact this solution leaves the interior completely intact is what is so attractive.
 

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