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Home✈️Aircraft🚁HelicopterAlignOther › Why no air filter?
08-03-2007 10:08 AM  13 years ago
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dennis052

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San Diego, CA, USA

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Why no air filter?
I am new to nitro and I am wondering why there is no air filter for the intake. I like to fly in a big dirt field close to my home. There is no lauch pad nor any carpet for the helicopter. I took out the engine as the plastic fan has damaged a magnetic sensor and I notice a lot of dirt inside the intake of the engine (carburetor input wall). Is it true that some of the dirt may enter the engine and shorting the lifespan, or some damage of the cylinder? I notice Pantera has a fancy air filter build in but I don't see anyone else has it. Wish that there is an option to have an air filter so I can fly anywhere I want to. Thanks.
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08-03-2007 11:21 AM  13 years ago
jaxrotor

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Jacksonville FL

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ever thought about electrics? Not only will the dirt and grit harm you engine, it will also shorten the lifespan of the airframe bearings.
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08-03-2007 02:12 PM  13 years ago
BJames111

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San Diego, California

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find a carpet installing company in your area, and look behind their store. Chances are you'll find some old carpet. Cut a 10'x10' square and take it out to your dirt lot. Problems solved.
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08-03-2007 02:35 PM  13 years ago
GyroFreak

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Orlando Florida ...28N 81W

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Indoor/outdoor carpet from Home Depot is cheap & light & rolls up easy for transport in the car.I think about the hereafter. I go somewhere to get something, then wonder what I'm here after ?
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08-03-2007 03:02 PM  13 years ago
ThunderRobo

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Toronto, Canada

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to answer your main question, Because a heli spends most of it's time in the air.Derek
Da' kid with the toyz!
"Time for some Muzak!"
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08-03-2007 05:12 PM  13 years ago
MasterCrash

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Gassaway, Tennessee

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I had another problem once,
As soon as the Heli landed , Grasshoppers everywhere and sure enouph, PLOOP one got in the carb.
Scott

""I went to the doctor because I'd swallowed a bottle of sleeping pills. My doctor told me to have a few drinks and get some rest.""
And I thought that I Would never CRASH!!!
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08-03-2007 06:26 PM  13 years ago
dennis052

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San Diego, CA, USA

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I also have Trex600E and have been flying in the same dirt field for a year. Never had an issue with bearings and I have not aware of dirt going into the engine until now. Maybe time to look for small piece of carpet.

I am just thinking it is a good idea to have air filter to protect foreign objects (dirt, grass, grass-hopper) from ruining the engine.

Thanks
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08-04-2007 05:13 AM  13 years ago
switch26

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San Jose

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As soon as the Heli landed , Grasshoppers everywhere and sure enouph, PLOOP one got in the carb.Scott
talk about being at the wrong place at the wrong time,

well i've ran an air filter once but i didnt like it,the engine didnt either,but i agree,it would be much better if you run one so no Grass hopper gets in the carb
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08-04-2007 05:17 AM  13 years ago
switch26

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San Jose

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by the way,the carpet would be a great solution to your problems,and yes the dirt shortens your engines lifespan and of corse the bearings too but more than anything,the engines,make sure you anker down the carpet,the helis downwash will lift it up on takeoff and landing
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08-04-2007 10:30 AM  13 years ago
Nick Jones

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anderson

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I little piece of womens socks over the carb hole will work great also=)
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08-05-2007 04:44 AM  13 years ago
switch26

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San Jose

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little piece of womens socks over the carb hole will work great also
you must be talking about a pice of pantyhose,right?
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08-05-2007 01:07 PM  13 years ago
smasher

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taiwan

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hahaha!im with thunderobo...
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08-05-2007 02:50 PM  13 years ago
BJames111

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San Diego, California

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As soon as the Heli landed , Grasshoppers everywhere and sure enouph, PLOOP one got in the carb.
have to admit, I had to laugh a little.
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08-30-2007 04:12 AM  13 years ago
CrashTestPilot

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Laguna Niguel, CA

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I had the same question. If you decide to use carpet, make sure it's nailed down. Saw a pilot where I fly blow the corner of the carpet up on landing - it wasn't pretty.

Even with carpet, and being in the air most of the time, there's sand on my heli after flying. When I see sand on the engine and carb, I wonder how much was, or could potentially be sucked into the carb.

In time, the carpet gets sand on it. Being nailed down, can't shake it off and with no AC power, can't vacuum.

Seeing the sand all over after the first few flights, I likely will use a coffee filter with a rubber band to hold it in place until I find something racier.
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08-30-2007 04:37 AM  13 years ago
whirlyspud

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USA

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Another thing that can help is to carry a couple gallons of water. Make a decent size wet spot and fly off of it.

Mike
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08-30-2007 07:00 AM  13 years ago
03fomoco

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Tucson AZ

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Why is the heli on the ground
Why is the heli on the ground? It spends most of it's high power settings life in the air, idle would not be an issue, so spool up is the only time dirt would be an issue. I think the oily heli after flight landing in the dirt does more harm to chassis bearings etc...

Dave
Sadly Sponsored by: VISA, MASTERCARD, and Bank of America
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08-30-2007 02:00 PM  13 years ago
CrashTestPilot

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Laguna Niguel, CA

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With a light breeze, the heli will get sand on it even without flying.

And it doesn't have to be on the ground. I'm over 6' tall and the wind slings sand in my eyes.
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08-30-2007 03:03 PM  13 years ago
jvanscoyk

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Tucson, AZ

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If he is just learning the basics the heli will spend a lot of time on or near the ground.

Jim
must go faster, must go faster.........
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08-30-2007 03:17 PM  13 years ago
Carey

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Allentown USA

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As soon as the Heli landed , Grasshoppers everywhere and sure enouph, PLOOP one got in the carb.
Eww, I almost want to ask for pics, but on second thought...no!

That is certainly the best throttle cut alternative I have heard of.
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08-30-2007 04:58 PM  13 years ago
dennis052

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San Diego, CA, USA

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The heli needed to be on ground before take off, sand and dirt on the ground will be sucked around the carburetter intake even in idle speed. The worst when landing, more dirt go inside. The heli will need to land on mother Earth, no matter what.

I need to walk uphill and half mile for a big empty dirt site. It is rather difficult to carry a carpet each time I want to fly. Someone put a carpet permanently there before but was removed.

I saw a Pantera and I thought that was such a great idea with an air filter in place. Therefore, I ask opinion here.

I no longer fly over that dirt site and fly near a business park with wide open land close by. Therefore, I can take off and land on cement and fly over the wide open land.
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Home✈️Aircraft🚁HelicopterAlignOther › Why no air filter?
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