how do snorkels work with rain?

deiaggie

Well-known member
Jul 10, 2005
570
0
College Station, TX
I want to eventually get a snorkel for my D1, but i was wondering how the ones without one of those mushroom tops keep out water when its raining when you go down the highway?
 
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flyfisher11

Well-known member
May 25, 2005
8,676
2
61
Wolf Laurel NC
Re: how do snokels work with rain?

deiaggie said:
I want to eventually get a snorkel for my D1, but i was wondering how the ones without one of those mushroom tops keep out water when its raining when you go down the highway?

Adiabatic expansion? That is probably the wrong process. All you scientists jump in here, but for the amount of water droplets that actually enter the snorkel intake they are swirled and "vaporized" along the route to the airbox. It would take a lot of water to cause a problem.

Cheers,

Mike
 

deiaggie

Well-known member
Jul 10, 2005
570
0
College Station, TX
Re: how do snokels work with rain?

flyfisher11 said:
Adiabatic expansion? That is probably the wrong process. All you scientists jump in here, but for the amount of water droplets that actually enter the snorkel intake they are swirled and "vaporized" along the route to the airbox. It would take a lot of water to cause a problem.

Cheers,

Mike
adiabatic = constant q and with a change in temp...not really sure how that applies here

but basically the air turbulance causes the water to vaporize before it can do any damage?
 

Axel

1
Staff member
Apr 1, 2004
1,857
11
Quebec, Canada
www.discoweb.org
If you look closely at the Safari snorkel, you'll see that there are 4 small slits in the top piece, where the pipe narrows. Those are designed to force raindrops out at speed - if you have the intake facing forward, that is.
 

deiaggie

Well-known member
Jul 10, 2005
570
0
College Station, TX
Axel said:
If you look closely at the Safari snorkel, you'll see that there are 4 small slits in the top piece, where the pipe narrows. Those are designed to force raindrops out at speed - if you have the intake facing forward, that is.
thanks this is what i was looking for as I have never seen one close up
 

Rover Puppy

Well-known member
Jun 10, 2004
1,938
0
Tallahassee, Florida
Axel is correct. You shouldn't have a problem at all.

I was misinformed at first and turned the top of my snorkel backwards to "keep the rain out". The guys here straightened me out on my misperceptions and I turned it forward as it should be.

I've got the safari snorkel and my truck has been active through several hurricanes. No water in it at all. The most interesting find I've ever had in my airbox is a few dragonflies -- and they were quite dry.

Good Luck :) Jamie, Blue, and Angel
 
D

doc1911

Guest
Not to sound like a jackass but this topic have been beat to death. Just turn the top around so water will not get in? No matter which was you have it turned water is insignificant unless you plan on driving across the Rio Grand River.
If you think you want the intake forward to get the "ram air" effect, don't kid yourself. That does not happen.
 

Eric N.

Well-known member
Apr 20, 2004
3,980
0
Falls Church, VA
On the safari snorkle the head is made to get rid of the water when forward facing.. The head sits on the pipe so that an inch or so of the pipe sits above the 4 holes that Axel mentioned.. The water hits the back of the inside of the snorkle and then runs down between the head and the pipe then out the four holes..

This also helps.. http://www.safarisnorkel.com/docs/snorkel/snorkel_qa.htm
 

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