[Adrenaline Revolution]

I finally installed the Cobra Power Flow and Auto tune and as I look at the huge scoop facing forward on the Power flow I was wondering how much water is going to get ingested in a downpour???

Is this something I need to worry about?
I did a search here but I didn't run into any info about it.

Any one experience problems with this?

AR.

 

[ShorbE]

If your keeping your filter properly oiled you shouldnt have any issues. I cant imagine that much water would actually build up inside the scoop.

 

[11Stryker]

if you look at the back side of pwrflo you will see some openings around bottom of air cleaner, so should have no problem unless you plan on making that trip across the pond with the Fiat Abarths from Italy

 

[stroguy]

I just got caught in a Houston summer afternoon shower. It's no big deal at all. Now my bike is a mess.

 

[Mentat Ix]

I asked this question of the guy who designed the cobra cvt while he was trying to get the cvt to work right on my bike. It was on my mind because it was raining when I rode to vegas and I have a baron's big air kit. He told me that a good air filter will atomize the water and it will actually give you more power. Like a mini shot of NOS.

I imagine that would not hold true if you got a slug of water in there though. Bad things might happen at that point.

 

[Duff]

I asked this question of the guy who designed the cobra cvt while he was trying to get the cvt to work right on my bike. It was on my mind because it was raining when I rode to vegas and I have a baron's big air kit. He told me that a good air filter will atomize the water and it will actually give you more power. Like a mini shot of NOS.

I imagine that would not hold true if you got a slug of water in there though. Bad things might happen at that point.

Sounds like a guy who would try selling you a muffler bearing.

 

[deputystryker]

When I took my trip to Harrison Arkansas I got caught in a down pour for over 3 hours during that time I got stuck behind cars, trucks, semi's and didn't have any issues when I was on the throttle but when we got to are hotel and the bike was idling it wanted to sputter and want to die. I slightly hammered on the throttle a couple times and then let it idle. There were no issues during the remaining of the trip with it. If there was water in the filter I believe me getting on the throttle sucked it in and blew it out.
I just need to clean and reoil my air filter now.

 

[alaskanmonte]

I have been caught in several Florida downpours, I haven't had any problems with the Cobra intake ingesting water. One of the rainstorms was coming down so hard the the road was flooding. NOTE: I pulled of in to an elevated parking lot until the rain lessened.

I don't think its anything to stress about.

 

[Mentat Ix]

Sounds like a guy who would try selling you a muffler bearing.

Actually, as a guy who works in steam production for a living (running steam turbines and gas fired boilers) I can pretty much say the theory is sound.

The expansion ratio of water is pretty huge. So if you put a fine mist of water into the cumbustion chamber, when it flashes to steam you'll get a little extra bang for your buck.

Probably nothing to write home about, but that's not the point. The point is it's not going to hurt anything unless you hydro the whole chamber.

I can also say he was a pretty cool guy to hang out with for a day, and he probably knows more about combustion and tuning than you do. :tongue:

Also, I have since ridden in many a downpour with no issues at all. And baron's big air kit is nothing but a big, completely exposed air filter. I imagine your scoop keeps out more water than this thing does. Unless it actually collects in there and pools up to the filter.

 

[11Stryker]

Actually, as a guy who works in steam production for a living (running steam turbines and gas fired boilers) I can pretty much say the theory is sound.

The expansion ratio of water is pretty huge. So if you put a fine mist of water into the cumbustion chamber, when it flashes to steam you'll get a little extra bang for your buck.

Probably nothing to write home about, but that's not the point. The point is it's not going to hurt anything unless you hydro the whole chamber.

I can also say he was a pretty cool guy to hang out with for a day, and he probably knows more about combustion and tuning than you do. :tongue:

Also, I have since ridden in many a downpour with no issues at all. And baron's big air kit is nothing but a big, completely exposed air filter. I imagine your scoop keeps out more water than this thing does. Unless it actually collects in there and pools up to the filter.

I will back Mentat on this one- Older aircraft used water injection into the Intake manifold to "Increase Volumetric Efficiency". Learned about all that when I went to Riverside School of Aeronautics in 1980 and got my A&P License.

 

[Guest]

I worked on KC-135 aircraft while I was in the Air Force. It was always obvious when one injected water into the intakes.

 

[drrhythm45]

Or blinker grease.

 

[Aelway7]

I just drove from Tampa to Orlando in a downpour and no issues with my powerflo

 

[blaineo]

I have the powerflo and live in georgia. Rode in at least 10 down pours in the last month.No problems, but I do need to get the recharge kit and oil it up.

 

[Axorr]

Sounds like a guy who would try selling you a muffler bearing.

Hey, now. I just purchased a quality set of muffler bearings - and I got a great deal on the extended warranty to go with them!

 

[11Stryker]

Hey, now. I just purchased a quality set of muffler bearings - and I got a great deal on the extended warranty to go with them!

Anyone try a google search on Aircraft reciprocating engine water injection! Might find out that it is not bullsh1t! I may be a Joker, but not this time.

 

[jmwinf146]

Water / methanol injection has been around for a long time on turbo engines. As far as the original post goes mine should be in today and on by Saturday. Fingers crossed.

Sent from my LG-MS840 using Tapatalk 2

 

[11Stryker]

Good Deal!

 

[Axorr]

Anyone try a google search on Aircraft reciprocating engine water injection! Might find out that it is not bullsh1t! I may be a Joker, but not this time.

Oh, I'm not saying it isn't true - I just thought the 'muffler bearings' was a funny post with regards to a motorcycle forum!

 

[Brownchild]

Have the same cobra power flow and assumed that since I only had 2000kms on the bike the filter was ok. Nope - a downpour caused a ton of grief with sputtering for almost 25km. Assumed it was bad gas at a fill up but turned out filter was soaked!! Dried out and re-oiled and now good to go. Still shouldn't have happened and poor design, that being said I should have oil the filter in advance. What's that about an ounce of prevention is worth more than a pound of cure!