TravisJB Journal

Mike · 09-12-2011, 08:14 PM

Quote:

Originally Posted by travisjb

Polycarb windshield coming soon

SHIELDS SUPERCOAT and ANTI-FOG

we need a "Like" button for posts, like facebook!

SPOHN · 09-12-2011, 09:19 PM

christian370z · 09-13-2011, 02:48 AM

Equinox · 09-13-2011, 06:56 AM

you going to rivet the screen in, or rubber seal same as OEM?

Also Travis - I noticed the stats compared to glass on the website as far as strike resistance and so on. What is the factor that keeps people from putting plastic windshields on their modified daily drivers? Is it the fogging, or the UV discoloration?

travisjb · 09-13-2011, 08:45 AM

Equinox, the reason is safety/legality. These kinds of windshields are not DOT approved for use on public roads.

Equinox · 09-13-2011, 09:07 AM

Ahh makes sense.

Also explains why, although some cars in the UK have plexi windows from factory, they are always side windows, and not the wind shield. I'm sure the issue is when you hit something - like say, a deer. Also explains why you would put a roll cage bar down the middle of the windshield when going plexi/lexan.

travisjb · 09-13-2011, 09:35 AM

When a driver hits a glass windshield, the energy is absorbed and the windshield fractures and gives - reducing the severity of any head injury. When a driver hits these windshields they bounce in a big hit

wstar · 09-13-2011, 10:08 AM

Of course, in theory all drivers wear seatbelts and have airbags now, so nobody should be hitting their head on a windshield ...

travisjb · 09-13-2011, 11:31 AM

Agree... this gets into a political discussion about govt overstepping / over-regulating

travisjb · 09-13-2011, 03:05 PM

Okay, my new polycarb 1/4" windshield is on the way... if anyone wants one, I have distributor pricing now and can arrange your order.

wstar · 09-13-2011, 03:31 PM

Did you already do your rear window? Seems like a simple flat piece, and even less concern about hazing/scratching/etc.

Edit: also, the front windshield you're ordering, does this go in with the factory-style mounting/adhesive, or?

travisjb · 09-13-2011, 05:51 PM

Already converted rear window but I don't think it saved much weight... the rear glass is very thin / light

Going with something like this for sealant

Permatex 24105 RTV Silicone, Oil-Resistant, 13 OzCart, Blk

... the piece is cut to the precise dimension of the OEM glass (so I'm told!) and so was planning to use the OEM frame with this RTV sealant... 1/4" polycarb is I believe the same thickness so fingers crossed it will all work out

I may also chicken out and call a glass guy in to do the job! haha

travisjb · 09-13-2011, 06:00 PM

Trying to learn a bit about aero on this car... ordered a bunch of wool yarn - going to do a yarn test to determine which way air is flowing with different aero setups... also ordered four of these:

These read differential air pressure... going to use these to determine the optimal placement for a vent in the hood to draw air through the intercooler and radiator and out through the hood... will also use it to figure out of the side scoops are working, rear diff cooler, and how to optimize all of the above... it's going to be a lot of work, but somewhere down the road we should all benefit from the data... stay tuned for more in a couple months

wstar · 09-13-2011, 06:04 PM

I used this little glass repair/replace shop close to me to replace my windshield a few months ago (too many bad rock chips) and they were dirt cheap, I imagine it's the same everywhere with these little specialist companies. Was $200 with tax and everything for the new cheapo aftermarket glass + install labor, and I know their cost on that glass had to have been at least $140. Took them about an hour.

wstar · 09-13-2011, 06:08 PM

Quote:

Originally Posted by travisjb

it's going to be a lot of work, but somewhere down the road we should all benefit from the data... stay tuned for more in a couple months

Yeah I'm anxiously awaiting the results. Some of the exterior stuff won't perfectly apply to everyone (with your aftermarket wing and nose), but the interesting bits for everyone will be engine bay venting, a lot of the underside stuff, spoilers in front of the wheels, etc.

09-12-2011, 09:19 PM	#1472 (permalink)
SPOHN A True Z Fanatic Join Date: Feb 2010 Location: Covington, GA Age: 46 Posts: 14,844 Drives: Waiting on next Z Rep Power: 221	__________________

09-13-2011, 02:48 AM	#1473 (permalink)
christian370z A True Z Fanatic Join Date: Jul 2010 Location: Newport Beach Posts: 3,900 Drives: 2010 370Z/Saab 900se Rep Power: 432	__________________ -320whp / 259wftlbs- SP Rays -- RE-11s -- SpecialtyZ Tune -- Swift Springs -- Stillen 25R Oil Cooler -- Stillen G3 Intakes -- Berk HFCs -- F.I. 12" CBE -- Stillen Sway Bars -- Es14 Spring -- INGS+1 lip -- CF Spoiler -- GTR Start Button -- VLED Parking Lights -- PWJDM V2 shift knob

09-13-2011, 06:56 AM	#1474 (permalink)
Equinox Track Member Join Date: Jul 2009 Location: Beaumont, TX Posts: 685 Drives: 06 Porsche Carrera S Rep Power: 18	you going to rivet the screen in, or rubber seal same as OEM? Also Travis - I noticed the stats compared to glass on the website as far as strike resistance and so on. What is the factor that keeps people from putting plastic windshields on their modified daily drivers? Is it the fogging, or the UV discoloration? __________________ Check out my Albums '13 Subaru WRX STi \| '06 Porsche 911 Carrera S (SOLD) \| '96 Mazda RX-7 6.0L V8 RHD (SOLD) \| '09 Nissan Nismo #0058 (SOLD) Last edited by Equinox; 09-13-2011 at 09:06 AM.

09-13-2011, 08:45 AM	#1475 (permalink)
travisjb A True Z Fanatic Join Date: Jan 2009 Location: GSO Posts: 2,803 Drives: VIR Rep Power: 188	Equinox, the reason is safety/legality. These kinds of windshields are not DOT approved for use on public roads. __________________ 2009 370Z #104 For Sale

09-13-2011, 09:07 AM	#1476 (permalink)
Equinox Track Member Join Date: Jul 2009 Location: Beaumont, TX Posts: 685 Drives: 06 Porsche Carrera S Rep Power: 18	Ahh makes sense. Also explains why, although some cars in the UK have plexi windows from factory, they are always side windows, and not the wind shield. I'm sure the issue is when you hit something - like say, a deer. Also explains why you would put a roll cage bar down the middle of the windshield when going plexi/lexan. __________________ Check out my Albums '13 Subaru WRX STi \| '06 Porsche 911 Carrera S (SOLD) \| '96 Mazda RX-7 6.0L V8 RHD (SOLD) \| '09 Nissan Nismo #0058 (SOLD)

09-13-2011, 09:35 AM	#1477 (permalink)
travisjb A True Z Fanatic Join Date: Jan 2009 Location: GSO Posts: 2,803 Drives: VIR Rep Power: 188	When a driver hits a glass windshield, the energy is absorbed and the windshield fractures and gives - reducing the severity of any head injury. When a driver hits these windshields they bounce in a big hit __________________ 2009 370Z #104 For Sale

09-13-2011, 10:08 AM	#1478 (permalink)
wstar A True Z Fanatic Join Date: Mar 2009 Location: Houston, TX Posts: 4,024 Drives: too slow Rep Power: 3594	Of course, in theory all drivers wear seatbelts and have airbags now, so nobody should be hitting their head on a windshield ... __________________ 7AT Track Car! Journal thread / Car setup details

09-13-2011, 11:31 AM	#1479 (permalink)
travisjb A True Z Fanatic Join Date: Jan 2009 Location: GSO Posts: 2,803 Drives: VIR Rep Power: 188	Agree... this gets into a political discussion about govt overstepping / over-regulating __________________ 2009 370Z #104 For Sale

09-13-2011, 03:05 PM	#1480 (permalink)
travisjb A True Z Fanatic Join Date: Jan 2009 Location: GSO Posts: 2,803 Drives: VIR Rep Power: 188	Okay, my new polycarb 1/4" windshield is on the way... if anyone wants one, I have distributor pricing now and can arrange your order. __________________ 2009 370Z #104 For Sale

09-13-2011, 03:31 PM	#1481 (permalink)
wstar A True Z Fanatic Join Date: Mar 2009 Location: Houston, TX Posts: 4,024 Drives: too slow Rep Power: 3594	Did you already do your rear window? Seems like a simple flat piece, and even less concern about hazing/scratching/etc. Edit: also, the front windshield you're ordering, does this go in with the factory-style mounting/adhesive, or? __________________ 7AT Track Car! Journal thread / Car setup details

09-13-2011, 05:51 PM	#1482 (permalink)
travisjb A True Z Fanatic Join Date: Jan 2009 Location: GSO Posts: 2,803 Drives: VIR Rep Power: 188	Already converted rear window but I don't think it saved much weight... the rear glass is very thin / light Going with something like this for sealant Permatex 24105 RTV Silicone, Oil-Resistant, 13 OzCart, Blk ... the piece is cut to the precise dimension of the OEM glass (so I'm told!) and so was planning to use the OEM frame with this RTV sealant... 1/4" polycarb is I believe the same thickness so fingers crossed it will all work out I may also chicken out and call a glass guy in to do the job! haha __________________ 2009 370Z #104 For Sale

09-13-2011, 06:00 PM	#1483 (permalink)
travisjb A True Z Fanatic Join Date: Jan 2009 Location: GSO Posts: 2,803 Drives: VIR Rep Power: 188	Trying to learn a bit about aero on this car... ordered a bunch of wool yarn - going to do a yarn test to determine which way air is flowing with different aero setups... also ordered four of these: These read differential air pressure... going to use these to determine the optimal placement for a vent in the hood to draw air through the intercooler and radiator and out through the hood... will also use it to figure out of the side scoops are working, rear diff cooler, and how to optimize all of the above... it's going to be a lot of work, but somewhere down the road we should all benefit from the data... stay tuned for more in a couple months __________________ 2009 370Z #104 For Sale

09-13-2011, 06:04 PM	#1484 (permalink)
wstar A True Z Fanatic Join Date: Mar 2009 Location: Houston, TX Posts: 4,024 Drives: too slow Rep Power: 3594	I used this little glass repair/replace shop close to me to replace my windshield a few months ago (too many bad rock chips) and they were dirt cheap, I imagine it's the same everywhere with these little specialist companies. Was $200 with tax and everything for the new cheapo aftermarket glass + install labor, and I know their cost on that glass had to have been at least $140. Took them about an hour. __________________ 7AT Track Car! Journal thread / Car setup details

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