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HomeAircraftHelicopterMain Discussion › Heli air filter ?
02-10-2006 07:35 PM  12 years agoPost 1
C30

rrApprentice

Cookeville Tn USA

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Hello , I need to know if anyone has found an air filter that will work on the new caliber 5 with os 50 engine . Where I intend to fly it I need one. Also if someone has a certain favorite filter I'D like to know . I have a caliber 30 with TT 39 that I would also like to have a filter on , if you have any suggestions.

Thanks for all replies , Chuck

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02-10-2006 08:10 PM  12 years agoPost 2
corey11

rrElite Veteran

Bay Area, California

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Why would you need a air filter? Its not something you need on a helicopter

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02-10-2006 08:17 PM  12 years agoPost 3
shuttlepilot

rrElite Veteran

Mullins, South Carolina

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I run this one on mine and have run them for years. I know some complain that it cuts the power, but I would rather have my engine breathing filter air of some sort. If you look at the fan after running your engine for a while you will see what the engine could be ingesting.....and I fly off of grass 95% of the time.

[url=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LX9158&P=ML]

Actually I think I am running the fine filters, not the coarse

Gas is Great
Camper Fuel is Better!!
QWW Helis

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02-10-2006 08:20 PM  12 years agoPost 4
Salty

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St. Augustine

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Corey we've beat this subject to death and some folks DO need a airfilter....just like a RC car needs a airfilter to keep the dust and dirt out Heli's that fly in areas with a high content of dust and dirt need one too... I run one in all my heli's I look at it as a cheap insurance policy that costs a one time fee of 9 bucks, I never used to run one till one of my heli's took a dirt nap IN GRASS. it ingested a load of dirt whilst beating itself to death and killed a near new engine...scince I've crashed a "few" more times and 95% on the time the engine was covered in dirt (all around the carb and stuck on the screen) yet the engine was fine, thats why I use one. yeah your gonna loose a bit of power, I honestly cant notice it

here's the ones I use

http://www.ronlund.com/Merchant2/me...creen=PROD&;Store_Code=heli&Product_Code=CN2214B

http://www.ronlund.com/Merchant2/me...creen=PROD&;Store_Code=heli&Product_Code=CN2214C

these are pretty fine screens and you would be surprised the amount of crap thats on it when you pull the engine....hmmmm where is that stuff going if there is nothing there???

Ask your Doctor if getting off your ass is right for you.

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02-10-2006 08:20 PM  12 years agoPost 5
C30

rrApprentice

Cookeville Tn USA

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Because if you fly in very dusty areas ,fresh mowed hay field,etc. you dont want particles in the engine....I would think they would last longer with a filter even in a clean area . It makes no since to me to not at least run a screen of some sort to prevent foreign material from entering . (servo's ,ball links,etc .)

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02-10-2006 08:33 PM  12 years agoPost 6
BigBird2

rrNovice

Paris Tennessee

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Hi C30 I think your right about the filter but now you need to get ready for the snow!!!!!!!! 30 deg and snowing hard here.

"The bigger they are the harder they fall"

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02-10-2006 08:35 PM  12 years agoPost 7
Furious Predator

rrProfessor

Kitchener, Ontario, Canada

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there are a few threads on this. one of the cheapest most popular choices is a layer of a womens stocking held on with a rubber band. just make sure she isnt around whn you cut them up.

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02-10-2006 08:44 PM  12 years agoPost 8
shuttlepilot

rrElite Veteran

Mullins, South Carolina

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The women's stockings are all I ever used on my planks.

Gas is Great
Camper Fuel is Better!!
QWW Helis

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02-10-2006 11:23 PM  12 years agoPost 9
corey11

rrElite Veteran

Bay Area, California

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i have flown in the desert, asphalt, mowed lawns, dirt, gravel, loose dirt...just about everything..i have never had a problem so i see no need for one.

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02-11-2006 03:27 AM  12 years agoPost 10
Salty

rrElite Veteran

St. Augustine

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good for you man, you really must not be flying in those areas cause I actually have and lemme tell ya you need one, I'll remember your name so I dont buy any engines off ya

Ask your Doctor if getting off your ass is right for you.

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02-11-2006 03:35 AM  12 years agoPost 11
Eury

rrProfessor

Dover NH

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I flew one flight with a Raptor 30 a couple years ago on my property while I was building a house. I did a few autos into a dry, dusty, sandy area that had been leveled for the house, and after that flight my trusty OS 32 SX-H never had any power again. That's 1 flight, destroyed a very nice, reliable, strong engine. Since then, I always check for dust/dirt, and if there is any, I don't fly. It's that simple. However, I am planning on adding air filters to my engines, since things can still happen.

Nick Crego

Citizen #0168

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02-11-2006 04:32 AM  12 years agoPost 12
dkshema

rrMaster

Cedar Rapids, IA

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i have flown in the desert, asphalt, mowed lawns, dirt, gravel, loose dirt...just about everything..i have never had a problem so i see no need for one
There was a time that one could buy 1,1,1-trichloroethane in gallon jugs at the hardware store. It was one of the best degreasers ever made. I used to routinely dismantle my helis and toss the bearings and metal parts in my ultrasonic cleaner, fill it with trichlor, and clean away. This is when I flew from an asphalt pad surrounded by grass in a county park. The amount of fine grit left in the tub of the ultrasonic cleaner after each cleaning was pretty impressive. Imagine the grit from 400 or 600 grit sandpaper going through your motor on a regular basis.

When I moved to Albuquerque, I swapped asphalt surrounded by grass for asphalt surrounded by desert. The amount of grit left behind didn't change, just the color of it.

Odd, that flying from grass also didn't really change the quantity of goo, just the color.

How long a life would you like your motor to have? A few dollars spent on a filter goes a long way to stretching your motor $$$.

Shoot, I'l bet you drive your car on highways much of the time -- why not just pop the air filter out of it, too? Think of the power you'll gain taking out the filter, and it can't hurt, can it?

You don't NEED an air filter, but then there are a lot of things we don't need, but it's wise to have.

Dave

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02-11-2006 11:26 AM  12 years agoPost 13
Roger Oxe

rrApprentice

EDFE, Germany

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Air Filter
Hello,
i thought we had only in Germany this discusson...
When you fly an sweaty 3D Heli you need no Filter.
After flying my Huey under hovering and "masking" conditions you will find a lot of Gras and Sand in the fuselage...
So i tryed a Carburator Duct from Vario and it works very well.
The Airflow to the Carburator comes now from the Top of the Engine.
I think you can fit it also to an .50 Engine.
So you have a cleaner Air without an Filter and all his problems.

sorry about my english...


Roger

http://www.rogeroxe.de

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