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PostPosted: October 16, 2009, 12:38 pm 
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I was looking for parts for my utilimaster and found this:

https://parts.utilimaster.com/utilmstr/runApp

Look under hvac/heat cooling, then vents/fans

PN 07100165

It tilts open in either direction. It should work well on the side, below the dash or centered in front of the windscreen if it can be reached.

Some pics of mine are on the first page of my stepvan build.


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PostPosted: October 16, 2009, 1:07 pm 
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Might be a cure for the hot feet area. Russ


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PostPosted: October 16, 2009, 2:46 pm 
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The flange can be trimmed back, with new, smaller mounting holes. The flange should mount on the inside, with a hole just big enough for the tilting vent to blend better. A shim between the flange and the side of the car could make the vent flush.

Old TVR's have a similar vent on the side. There is a grate built in so bees and rocks don't make their way up your pant leg.

It may appear to be a casting but it is made from stamped aluminum and riveted together so it is light weight.

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PostPosted: October 16, 2009, 6:08 pm 
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How do you open it? Just grab it from the outside...or is there a lever/cable/something on the inside?

Interesting. I could see mounting it in the firewall, between your feet and the engine. Maybe that's what you're getting at, Russ? Open it in the winter/night, close it in the day. Not sure if that would compromise the safety of the firewall...I really kinda doubt it.

-dave

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PostPosted: October 16, 2009, 6:13 pm 
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There is a handle on the inside, push it either way and the vent will open the opposite way. Very coool, and very durable vents. I have one on my Frito Lay van, its going to get a couple more.

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PostPosted: October 16, 2009, 6:17 pm 
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Yep. See the third post:

viewtopic.php?f=36&t=7328&start=0

I was thinking the side of the car below the composite cowl or in the cowl ahead of the windscreen for a fresh air intake.

I'll measure mine and post the dims.

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PostPosted: October 16, 2009, 7:40 pm 
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Sounds nifty! This may be a stupid question, but...why have it flip both ways? Do you go forward for max air, back for less air? Alternate them for a nice cross-breeze? Back for use in the rain?

-dave

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PostPosted: October 16, 2009, 8:19 pm 
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The operation manual, page 42:
http://www.utilimaster.com/utilimaster/ ... _Guide.pdf

It doesn't say much. I think the vent position is for when it rains or you want fresh air without a wind tunnel.

I've got 4 vents, both doors have sliding windows, and both doors lock open but it gets a lot more uncomfortable in GA compared to CA.

The opening required is 4.25" x 9.75". The flange could be trimmed to add another .5-.75" around the edge.

The handle protrudes 4" from the back of the vent.
There is no hinge. Place the palm on the handle with the fingers wrapped around the aluminum rod and squeeze to release the tension, then rotate. The tension prevents rattles.

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PostPosted: December 19, 2009, 9:53 am 
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They work amazing( like having ac on a stage road) I have 2 on my rally car as roof vents, in the rear ward position they pull the air out


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PostPosted: June 3, 2018, 8:02 am 
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I decided to try a vent on my 330,000 beater. I'll post how well it worked for my install after driving it this week.
I tweaked the cams to hold the mostly closed position to where it vents the heat buildup of the day but rain cannot enter.
I considered riveting but decided on #10-24 x 1/2" screws for easy removal. Used latex caulk to seal.
I bought two at $22.50 each, $30 shipped since I may use the other on the trike.


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PostPosted: June 5, 2018, 6:38 am 
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Result: Totally worth it. It is highly effective for extraction and pressurization. Car was cooler from sitting in parking lot all day without having to leave the windows down.

Extraction: It was much more effective than I expected. The localized low pressure created in the center of the car effectively pulls air across the driver when the window is down less than an inch. A sunroof also drops the pressure but all over, so the airflow from the window can just roll around the edge of the roof to go out the top instead of hitting the driver.

Pressurization: The volume of air at 55 mph is much more significant than the ventilation system can produce. The location is a compromise to help ensure the occupants cannot hit their heads on the vent but in a full size van or pickup, it should fit well above the sunvisor, which is the ideal location to get the full effect. As it is, as effective as it is in my installed location, there is a lot more to be had just behind and below the vent. I could fit a quick release plenum with amiable vents or hoses or a deflector but it works well as is. Hit 65 or so and the scoop should be partially closed for excess drag and noise. I could tell a difference in performance having only 63hp.

Closed: Found no difference in noise and not that noticeable. Open in either direction, day or night with headlights hitting the bare aluminum and it gets noticed, especially if you are adjusting it. It seems nobody is expecting to see that and have to quickly decide what to think while driving, texting, drinking coffee, etc. A guy in front of me kept crooning his neck in the mirror and running off the shoulder after I changed the vent angle. Other traffic generally stays away but it seems truckers get it.

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PostPosted: June 5, 2018, 3:49 pm 
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Next time you're around a big-rig, take a look at the sleeper. There will usually be at least one of these on each side. If someone is in the bunk while the rig is rolling down the road,, they will usually have one opened to scoop while the one on the other side of the truck is opened to vent. Gives a very effective cross ventilation!

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PostPosted: June 6, 2018, 5:35 pm 
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Thanks for the tip!

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