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Jul 13, 2010 16:11:44 GMT
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MM, but are they the RIGHT markings? We've gained another 12 month exemption on being able to use certain BS spec glass but a lot of those old Hustlers were built using household laminate which is not marked with the correct spec ( cos they have 1 layer of laminate missing) . If you need to get new glass then you might as well chop it now, as you'll need to make sure of seat belt height and angle of vision through the screen. Also best to have toughened in any slam doors as laminate tends to crack plus when you are upside down in a ditch ( caused by avoiding nuns and kittens I'm led to believe ? ) then toughened can be smashed easier to get you out
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Jul 13, 2010 16:12:52 GMT
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Nearly forgot, yup, body mods inc roof chop fine on chassied vehicles but not on monococques.
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stueyt
Posted a lot
Saving cars from the scrapyard.
Posts: 1,682
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Jul 13, 2010 16:15:45 GMT
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Always looking for the next project!
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Jul 13, 2010 16:19:38 GMT
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thanks to all so far, my google fu is weak at this, or it's not a common mod on a herald. Hmmm
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RobinJI
Posted a lot
"Driven by the irony that only being shackled to the road could ever I be free"
Posts: 2,995
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Jul 13, 2010 16:26:10 GMT
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when you are upside down in a ditch ( caused by avoiding nuns and kittens I'm led to believe ? ) then toughened can be smashed easier to get you out I can vouch for this, when I rolled my old golf into some woods a couple of years ago I would have been stuck in a vehicle that was pouring 40 litres of fuel all over it's hot engine, if I hadn't been able to kick out a side window it could have been bad. Luckily it never went up and I got out, but it could have been a lot worse.
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Jul 13, 2010 16:27:04 GMT
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thanks to all so far, my google fu is weak at this, or it's not a common mod on a herald. Hmmm All the more reason to do it Mork! Have been trying to convince Benzboy to 'see the light' with his Eckipay... but he's not havin' any of it! Nanu Nanu!! ;D (Always wanted to say that).
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Last Edit: Jul 13, 2010 16:43:53 GMT by arrocuda
'71 Arrocuda.... '71 Sunbeam Rapier Turbo (The Grim Rapier).... '63 Hymek D7076..... Audi GT5S
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Ads 19
Posted a lot
My old r19
Posts: 1,351
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Jul 13, 2010 18:03:20 GMT
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you could always try looking for a hardtop or a coupe roof, no side windows so easier to chop. why don't you use a spitfire screen side windows and quarterlights on a herald bulkhead.
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Jul 13, 2010 18:11:18 GMT
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... The best solution these days which is often overlooked is to make perfect card templates of the glass then get your existing screens & windows waterjet cut. No risk of breakage (except accidents in transport & handling), a beautiful clean cut and this process will cut all types of glass.D It won't work on toughened I'm afraid. You can't work tempered glass post process. The way the glass is stressed during manufacture means it'll fracture if the balance of stresses is upset by cutting it, regardless of how you try to do it.
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1962 Datsun Bluebird Estate - 1971 Datsun 510 SSS - 1976 Datsun 710 SSS - 1981 Dodge van - 1985 Nissan Cherry Europe GTi - 1988 Nissan Prairie - 1990 Hyundai Pony Pickup - 1992 Mazda MX5
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Jul 13, 2010 18:32:51 GMT
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It won't work on toughened I'm afraid. You can't work tempered glass post process. The way the glass is stressed during manufacture means it'll fracture if the balance of stresses is upset by cutting it, regardless of how you try to do it. As far as I'm aware annealing is the only way it can be done. Only problem is that you need access to a fairly large kiln to do a windscreen and TBH you would really need to have it retempered again afterwards. Unless you fancy getting cut to shreds if it gets hit by a rock or something. I have heard of water jet, but have never heard of it being used successfully with toughened glass. No doubt someone will correct us if we are wrong, but I've never heard of it being used for toughened glass.
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Last Edit: Jul 13, 2010 18:33:43 GMT by arrocuda
'71 Arrocuda.... '71 Sunbeam Rapier Turbo (The Grim Rapier).... '63 Hymek D7076..... Audi GT5S
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Jul 13, 2010 18:36:48 GMT
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you could always try looking for a hardtop or a coupe roof, no side windows so easier to chop. why don't you use a spitfire screen side windows and quarterlights on a herald bulkhead. i had this idea when making mine. all glass will have to be made specially as spitfire herald glass are all identical. just spits have more rake on them.
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Jul 13, 2010 19:30:43 GMT
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glass can be cut by making a metal template of your new screen shape then clamping to the screen and sand blasting through the glass to the laminate both sides then cut the laminate with a sharp stanley blade. thats how a guy in the states did it to a rare yank who struggled to get glass at all then when a stone burst it a few years later he did it again.
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Retro VW Service, Restoration and Kustom Bodyworks
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Seth
South East
MorrisOxford TriumphMirald HillmanMinx BorgwardIsabellaCombi
Posts: 15,513
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Jul 13, 2010 22:02:58 GMT
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A bit late to this party.... I would look into raking the front screen back, messing about with chopped up photos/drawings etc (the "old way of photoshop ) and see how far it might have to go to get the roof as low as you like. Often less is more with roof chops. Raking the screen means that you may get away without the roof needing to be lengthened as its top edge will also end up further back. You'd have a little leeway with length anyway because of the smooth rear deck - cold always extend it forwards using a complete top deck panel chopped from a convertible? Once length is determined, I think either sinking the rear scree into the deck or getting a rear screen cut would be the way to go. I'm not sure of the spec of rear glass? I don't think its toughened in the same way as older windscreens The galss runners in the front doors might well be modifying as the glass would have to go a t a slightly steeper angle to meet roof at its lower position. Doors all come apart anyway. It would be much more "proper" if you modified the quaterlight (which is a separate bolt in piece) and kept it rather than going to one piece windows.
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Follow your dreams or you might as well be a vegetable.
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Jul 13, 2010 22:13:28 GMT
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Don't Bond Equipes or GT4S have slightly raked back screens? I seem to remember altering a Herald bulkhead/screen surround to fit a GT4S many years ago when I worked for a Triumph restorer. If that's the case then sourcing some door glass from one of those might be useful. Probably tricky to find mind.
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1962 Datsun Bluebird Estate - 1971 Datsun 510 SSS - 1976 Datsun 710 SSS - 1981 Dodge van - 1985 Nissan Cherry Europe GTi - 1988 Nissan Prairie - 1990 Hyundai Pony Pickup - 1992 Mazda MX5
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Jul 13, 2010 22:29:03 GMT
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could you chop the screen and fit a modified convertible hood? It would look good and probably be easier.
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Volvo back as my main squeeze, more boost and some interior goodies on the way.
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Jul 13, 2010 22:31:54 GMT
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Come on Seth, have you forgotten all you learned ? Chop the front screen down in height WITHOUT rake backwards , straight forawrad cut down of laminated screen , pull the roof forward and cut and 'lay' ( lean forwards ) the rear screen , that's a proper kustom chop to improve the lines and make the car look sleeker and faster . A standard custom chop takes all 4 corners down and needs the roof splitting in 4 , with joiner strips to get it all to line up. Looks like someone has hit it with ahamer and squashed it. If someone does a down and dirty photoshop of the 2 versions , or 3 if you count raking the screen backwards you'll immediately see which is correct..well those with the'eye' will
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Jul 13, 2010 22:33:42 GMT
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Might look nice with flying buttress style rear pillar and rear window end angle modified to match as well ?
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Lex
South East
日本車 <3
Posts: 2,404
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Jul 13, 2010 22:36:27 GMT
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A roof-chopped R5 from here springs to mind. But where did I put the pictures?
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Resto-UKal
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Jul 13, 2010 22:38:59 GMT
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mine is a cut down laminated screen... just had one of the local glass companys come out to do it ... the glass was very old and britle so has a few small crack's that have been drilled and resin filled ... tempered glass i was told will just shatter when you try to cut it . found ppl selling 10mm plexiglass but was unable to find anyone to heat and shape it ..
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Seth
South East
MorrisOxford TriumphMirald HillmanMinx BorgwardIsabellaCombi
Posts: 15,513
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Jul 13, 2010 23:34:05 GMT
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Come on Seth, have you forgotten all you learned ? Chop the front screen down in height WITHOUT rake backwards , straight forawrad cut down of laminated screen , pull the roof forward and cut and 'lay' ( lean forwards ) the rear screen , that's a proper kustom chop to improve the lines and make the car look sleeker and faster . A standard custom chop takes all 4 corners down and needs the roof splitting in 4 , with joiner strips to get it all to line up. Looks like someone has hit it with ahamer and squashed it. If someone does a down and dirty photoshop of the 2 versions , or 3 if you count raking the screen backwards you'll immediately see which is correct..well those with the'eye' will I'll be sure to tell Billy Gibbons how incorrect his car is at Old Warden! As I said, I think it would be worth looking at things on paper. On a small car like a Herald I'm not convinced a "trad" chop works very well. There's a drag race car with it done that way I think but I can't find a picture of it. It also makes me think of old chopped 100Es that just looked squished/flat topped. The rear of the roof definitely needs to come down further or it looks like it rakes forwards too much and keeping the rear screen straighter would give/retain more of the European/Italian coupe styling elements. Here's a 105E with - I think - a raked screen and obviously not altered rear window angle. Screen is also chopped but I personally wouldn't go this low and might get a way with a stock one. I think the theory works on this, similarly styled and sized body shape though.
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Follow your dreams or you might as well be a vegetable.
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I'll tell him myself! The chop on that is more of the' Custom Rodder' style that prevailed back then, with cars like Nadeen , and Scrape as well , totally different roof line and more of a " what if we made this car now /retro type approach" (IMO ) than a chop to enhance original lines.
As you say looking on paper is the best thing . There is always the temptation to cut loads out to make sure peope realise it's chopped when a couple of inches may make the car look really better but not immediately apparent , I can think of 2 straight of the top of my head but would be loathe to put up pictures as that woudl be their choice for web exposure ,not mine.
I think it is the reverse rake of the 105E rear screen that makes it work ,rather like a very subtle , 1 inch chop, Classic I can think of. The Herald is a very angular vehicle and need careful attention to conflicting lines to get it right . Makes all the difference between " Have you seeen that roof chopped Herald ?" to " Wow, that Heralds amazing !" ie the overall effect rather than a single part of the build sticking out.
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