[ROVERNET - UK] P6 windshield differences?
peter king
peter at king-co.com
Mon Mar 10 02:33:08 GMT 2008
ok, everyone is right (but you know that already).
After measuring the windshields, I found all to be the same except
one, which I now know must have been a rogue that got into the
collection before I acquired it. It is very close in size to the P6,
but shorter by about 2 inches and a bit more squared. Fortunately for
me and anyone looking for a spare, you've all helped to avoid my
sending the mystery one off to some hapless fellow...
As usual, many thanks to the Rovernet.
pk
On Mar 8, 2008, at 2:00 AM, Vern Klukas wrote:
> Thinking about it a bit more, the clear (heh) advantage of the
> laminated window is with a rock strike or the like. A toughened
> window would craze into a opaque patchwork and visibility would be
> severely impaired.Then if it blew in to the car you got 10 lb? of
> glass chunks in your face and lap. Not a fun prospect at speed.
> They tried to beat the problem with various zones that fractured
> into a pattern big enough to see through, but in the end they were
> obsolete by the 80s through regulation.
>
> And now for something different: I was once called in to advise a
> glass artist who had a commission for a hanging glass sculpture for
> an airport. It consisted of a number of curvy panels reminiscent of
> the Aura Borealis, at least the parts of it I saw, and the panels
> had to be laminated glass for safety. So this fellow was setting up
> to do his own laminations. The plastic layer is made of polyvinyl
> butyral, and one of his problems was bubbles in the plastic, caused
> by the plastic absorbing moisture from the air which would then
> create the bubbles when he vacuum bagged and heated them each panel
> in an oven to bond them. I was there to advise on vacuum bagging
> and to try and solve the moisture problem (due my experience in
> thermoforming polycarbonate, which has similar troubles). We did
> solve all the problems, and presumably the sculpture (I forget
> where is it, somewhere in Canada) is still hanging.
>
> Back to Rovers.
>
> I can see 10 rear screen part numbers, toughened clear or Sundym
> with or without a defroster grid printed on the inside (4) and
> laminated clear and Sundym with or without a fine wire defroster
> element twixt the laminations, and later the defroster grid printed
> on the inside. (6)
>
> And I have a few more part numbers for front screens, this from a
> 69 2000 book:
>
> toughened, RH drive 367195, same LH drive 367196, in Sundym 367197
> & 367198 (these are early cars, up to C suffix on TC's. It is
> curious 367195 matches the number MIchael has a suitable for all
> years)
>
> toughed, zebra zone, 369246 & 369247 clear and Sundym
>
> finally. laminated 368517 & 368518, clear and Sundym
>
> Now a real find would be a laminated front screen with the fine
> wire defroster, they made a few of those for the rally cars.
>
> Yours
> Vern
>
>
>
>> Well, certainly in the early days laminated windows were not
>> necessarily a safety improvement over a toughened window. In fact,
>> given a small enough impact area, say the top of your head
>> (extreme) or your hand, it was possible to puncture a laminated
>> window and suffer very nasty lacerations or near amputation.
>> Another nasty feature was that laminated windows tended to release
>> short, small slivers of glass. OTOH, the big dangers of the
>> toughened window was the cloud of small rectangular glass pieces
>> that flew about, and, with the window gone completely, the danger
>> of outside things getting in or you being ejected from the car.
>>
>> I have suffered injuries from both styles over the years.
>>
>> Yours
>> Vern
>>
>>
>>
>>> These are all windshields? That is, they go on the front of the
>>> car?
>>>
>>> Fact remains, they are all the same shape, tinted or not.
>>> Aftermarket windshields could be square or purple, but they will
>>> only fit the car if they conform to the factory dimensions.
>>>
>>> I'm surprised that Rover would have installed an unlaminated
>>> windshield on a car they were selling as a safely designed
>>> vehicle. I can see the back window being non-laminated, but not
>>> the front windshield.
>>>
>>> Does your book also show the heated rear window with the
>>> defroster wires built in?
>>>
>>> Glen
>>>
>>>
>>>
>>> Vern Klukas wrote:
>>>>> Folks I have found the answer in the rover bibles.
>>>>> I have factory parts manuals for 2000's (1966) 2200 (1975) &
>>>>> 3500 (1973)
>>>>>
>>>>> There are FOUR windscreens listed They apply to all years of
>>>>> production
>>>>> 2 are heat treated #367195 clear & #371796 tinted
>>>>> 2 are laminated #371793 clear & #371794 tinted
>>>>>
>>>>> There is an additional pr in the 2200 manual for Norway
>>>>>
>>>>> I would suggest the laminated screens which were not compulsory
>>>>> in Britain and were primarily for the American market where I
>>>>> think they were required.
>>>>
>>>> Exactlly right, though laminated screens were also promoted for
>>>> the home market as a safety upgrade.
>>>>
>>>> I wonder if Peter may of gotten his impression of different
>>>> screens because the rear and front screens are close in size and
>>>> shape, unlike most cars where the rear is markedly different
>>>> from the front.
>>>>
>>>> Yours
>>>> Vern
>>>>
>>>>>
>>>>> Michael Pellow
>>>>> Rover nut
>>>>> 2 46 10 hp
>>>>> 1 49 6light 75;
>>>>> 1 60,80,95,110
>>>>> 1 3ltr MkII manual Coupe
>>>>> 1 3ltr MkII auto saloon
>>>>> 1 68 2000 TC with wires
>>>>> 3 3500 manuals
>>>>> 1 5spd 2000 SD1
>>>>> 1 5spd 3500 SD1
>>>>> 1 1999 2.5 connoisseur 75
>>>>>
>>>>
>>>>
>>>
>>>
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>>
>>
>> --
>> Vern Klukas I'm a little . . .
>> Inkspot Type & Design
>> vern at inkspotco.com
>>
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>
>
> --
> Vern Klukas I'm a little . . .
> Inkspot Type & Design
> vern at inkspotco.com
>
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