mav Posted April 16, 2002 Share Posted April 16, 2002 I know they have been done to death, but do i make the back rest first or the base? Cheers, Martin Link to comment Share on other sites More sharing options...
Buda Posted April 16, 2002 Share Posted April 16, 2002 Did you have to buy twice as much foam cos its an SV? Link to comment Share on other sites More sharing options...
KevSull Too Posted April 16, 2002 Share Posted April 16, 2002 Can't you just go down to DFS and buy a couple of recliners??? Link to comment Share on other sites More sharing options...
Buda Posted April 16, 2002 Share Posted April 16, 2002 They had a special offer on a nice two seater couch the other day Link to comment Share on other sites More sharing options...
N Longson Posted April 16, 2002 Share Posted April 16, 2002 Martin, There was an hilarious story on here a while back about somebody using expandable foam in a canoe. I'd check it out as it will probably put you off trying it in your own car. Neill Link to comment Share on other sites More sharing options...
Eric McLoughlin Posted April 16, 2002 Share Posted April 16, 2002 Will it make a Seven self righting? Link to comment Share on other sites More sharing options...
N Longson Posted April 16, 2002 Share Posted April 16, 2002 Just found it in the Archives - do a search on 'Canoe' - it's under the heading 'Technique for making foam bag seat' - on page 2 - 19 Sept 2001. Made me smile again. Link to comment Share on other sites More sharing options...
mav Posted April 16, 2002 Author Share Posted April 16, 2002 This was a serious request for help if you have nothing constructive to add, then bugg3r off. What i haven't heard pi55 take wise about SV's is not worth hearing. Link to comment Share on other sites More sharing options...
Buda Posted April 16, 2002 Share Posted April 16, 2002 Sorry Link to comment Share on other sites More sharing options...
DohNut Posted April 16, 2002 Share Posted April 16, 2002 Wear a wetsuit. NO I am not taking the piss - the heat generated can be uncomfortable and it would give a consistent wrinkle free mould of your (pert??!!) body. You can then cut up some old mouse mats to pad out any spaces afterwards. Spoke to a guy at LeMans several years ago who regretted his first attempt cos he had tried to lift imself off the floor a little and had ended up with an S-Type amount of foam under him. Logic would suggest base first with a small cussion behind your back - thought about this lots but not taken the plunge - would be interested in seeing the finished product. Nick Link to comment Share on other sites More sharing options...
KevSull Too Posted April 16, 2002 Share Posted April 16, 2002 Sorry...sad.gif Link to comment Share on other sites More sharing options...
mav Posted April 16, 2002 Author Share Posted April 16, 2002 No problem. just need some constructive advise. Regards, Martin teeth.gif Link to comment Share on other sites More sharing options...
Jason Plato Posted April 16, 2002 Share Posted April 16, 2002 We have just made one for my car . We made the base first using a false back support made from polystyrene packing material sections . Make a false seat first using the packing sections to determine your seating position , then do the base . trim off the rear of the base and then do the back section . Make sure you warm the 2 pack first , and try and warm the ally of the car a little as this takes a lot of heat out of the exothermic reaction resulting in a very soild foam . We found the foam expanded at a controlled rate allowing some arse tweeking in situ if you know what I mean wink.gif I wouldnt like to try it using everyday binliners , as these easily tear and could result in disaster . Try and find some thicker tear proof , yet flexible bags at least 4 foot long . the heat given off is warm but not uncomfortable , I wore a boiler suit , to allow for any incidents and to fit the same as my race suit . I'm very pleased with the finished result for a first attempt , all I now need is to get some nomex material from Stoneleigh show to cover it . The comfort is great on the road surprisingly , and the support and feel on the track is fantastic , allowing you to focus on driving the car rather than bracing yourself and clinging onto the steering wheel . Dave Link to comment Share on other sites More sharing options...
Super_Rich_Bernie Posted April 16, 2002 Share Posted April 16, 2002 I asked this a while back - a search should reveal plenty of good advice. I made the base first. One good bit of advice was using a piece of foam cut from one of those camping mats to pad the floor at the base of your spine. Also all the comments about mess/heat etc are true. I also used extra heavy duty bin bags. A patient assistant is needed. My girlfriend got thouroughly fed up of the whole procedure and added to the expense by needing to be taken out to dinner as thanks. Apparently is more of a pain than bleeding the brakes. The one thing I didn't think about when moulding mine was the visibility from the new lower driving position. I concentrated on getting conmfortable, reaching pedals and controls and getting my head well below the rollbar height. The end result was a view through the mirror of the rollbar diagonal and compromised visibility through the sidescreens (i.e too far back). I will have another go sometime, but will probably just do a base to go with the backrest of the normal seat - which is back in the car now. Good luck! Jonathan Link to comment Share on other sites More sharing options...
Buda Posted April 16, 2002 Share Posted April 16, 2002 Now youve got your constructive advice, can you please answer the original question, just how much more foam do you need because its an SV? teeth.gif Link to comment Share on other sites More sharing options...
murph7355 Posted April 16, 2002 Share Posted April 16, 2002 Well I thought it was funny Mav teeth.gif. I'd have thought getting the base right first would be best as the angle of your arse is key. Then do the back bit after. Have you had a wander down to DT? There are some very good, ready made race seats out there that might be a lot less hassle and I'm sure you can try them out. They'll be more expensive than the cheaper foam but the price of the Indi seat foam made my eyes water! Link to comment Share on other sites More sharing options...
mav Posted April 16, 2002 Author Share Posted April 16, 2002 I will be purchasing the standard 'mis foam pack' from my local motorsport vendor. That's if i can't find a seat that lets me sit low enough in the car to conform to the roll bar / driver head height regulations. Thanks to you all for the constructive comments and the rest of you (who know me) be sure to be at least a sticks length away next time i see you wink.gif Link to comment Share on other sites More sharing options...
HARRY BOY Posted April 16, 2002 Share Posted April 16, 2002 Long ago i worked ??? in a ski shop a guy came in and told us he had mixed the 2 pack in a big jug before trying to put it in his new foam ski boots biggrin.gif Link to comment Share on other sites More sharing options...
Graham Perry Posted April 17, 2002 Share Posted April 17, 2002 If you can get a big enough bag , you dont have to make it in two parts. I made mine as a single piece then covered it in GRP to stiffen it. Link to comment Share on other sites More sharing options...
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