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HelicopterOff Topics › Control Line World Record
10-20-2004 11:14 PM  13 years agoPost 1
Steamer

rrNovice

Mount Hakepa, Pitt​Island

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Sorry if this has been posted before but have you seen this guy setting a world control line record - just listen to the engine!!!

Control Line World Speed Record

Pip Pip!
Steamer
Founding Member of GIRCHA

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10-20-2004 11:33 PM  13 years agoPost 2
Sar

rrElite Veteran

Saugeties, NY

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Might as well listen to the engine since you can't see much of the plane other than a blur when it's flying I wonder how many of those things get "whoops"ed into the ground a year.

--
Jon

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10-20-2004 11:53 PM  13 years agoPost 3
RappyTappy

rrProfessor

North Denver,​Colorado

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How is that a control line "airplane"? Usually thought airplanes meant they have two wings.

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10-21-2004 12:03 AM  13 years agoPost 4
Chem Geek

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AL

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Maybe I'm seeing things (or not as the case is), but doesn't that thing have only one blade on the prop? I keep staring at the pic of it on the ground, and I only see one blade.....

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10-21-2004 12:43 AM  13 years agoPost 5
classic

rrElite Veteran

All over the place!

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The model is powered by an Irvine 15 "special" and uses a single-blade carbon fibre prop - as is usual with models of this type.
yup one blade!

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10-21-2004 12:45 AM  13 years agoPost 6
Toad

rrApprentice

Sandy, Utah

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the most efficient prop is a single blade, the speed freak c/l boys been useing them for yrs, I even tried it once on a small rc pylon racer, too much hassle to balance the hub with lead. .... anyway, they do work well

*****

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10-21-2004 02:11 AM  13 years agoPost 7
Nick_P

rrNovice

DeSoto MO

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Control line.

I dont get it, its like playing with a 30 dollar wired remote car from walmart.

Maybe its the high they get from spinning round and round, I personaly like the merry go round better.

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10-21-2004 02:23 AM  13 years agoPost 8
Sar

rrElite Veteran

Saugeties, NY

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Single blade helicopters possible? Hmmm, save some money on carbon blades and get to use those ones that the ground missed

--
Jon

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10-21-2004 03:24 AM  13 years agoPost 9
debogus

rrApprentice

Beauklahoma,peoples​republic of​mexifornia,USSA

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Nick_P :"Control line.I dont get it, its like playing with a 30 dollar wired remote car from walmart. "

It goes 208mph. Its more like those battery powered cable driven $5 planes plugged in to 220v

Dave

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10-21-2004 03:28 AM  13 years agoPost 10
Vitya

rrVeteran

North York, Ontario

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Why is a single blade better? Anyone have the science behind it?

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10-21-2004 03:31 AM  13 years agoPost 11
RotorMarc

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Dearborn area, Mi

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Single blade helicopters possible?
It was already done. I forget where I've seen the pic though

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10-21-2004 04:43 AM  13 years agoPost 12
Hughes500Pilot

rrKey Veteran

Anaheim, CA

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Click below to learn everthing you ever wanted to know about a helicopter with only one main rotor. Go to page 2 and 3 for the really good descriptions that explain all the math. -Steve

http://runryder.com/helicopter/t20551p1/

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10-21-2004 04:53 AM  13 years agoPost 13
Sar

rrElite Veteran

Saugeties, NY

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Thanks for the link Steve, interesting reading!

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Jon

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10-21-2004 10:18 AM  13 years agoPost 14
G.Man

rrProfessor

Bristol

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A friend of mine does this control line speed stuff...

The lengths at which they go to get these things setup is incredible..

The engine cant be tuned statically like a normal plank, it has to be flying to properly tune it, so a lot of the setup is trial and error (educated trial and error)

I have seen his planes and the devil is in the detail when setting a world record...

Believe me, its truely impressive

Don't Email me as I wont reply - PM Only (spam countermeasures)

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10-21-2004 01:28 PM  13 years agoPost 15
debogus

rrApprentice

Beauklahoma,peoples​republic of​mexifornia,USSA

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OH yeah more speed
I was amazed of the speed increase, when it got on the pipe.
Damm thats fast.

Dave

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10-22-2004 01:19 AM  13 years agoPost 16
ZIPPY

rrNovice

st.cloud,mn

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pretty cool,but why?Is that like spin the drunk only with no point.

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10-23-2004 02:14 PM  13 years agoPost 17
Hawk4flyer

rrApprentice

Deland,Florida

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Why is a single blade better? Anyone have the science behind it?

Yes, its really simple. A single bladed prop has less drag than a two bladed prop. Higher engine rev's and less induced airframe drag. The aircraft type that is shown in the pic is called an "asymetrical". The idea being that one wing creates less drag than two. (there a pattern here).

Also, the long single wing helps to cover the control wires, which cause alot of drag.

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10-24-2004 04:20 AM  13 years agoPost 18
Hughes500Pilot

rrKey Veteran

Anaheim, CA

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Hawk4flyer,

Look up 6 posts... Then click the link. -Steve

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10-24-2004 11:57 AM  13 years agoPost 19
Andy R

rrApprentice

nowhere at the​moment

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Watched the video am I missing something ????
could only see a guy spinning around against a pole and a high shriek from some blurry thing.
maybe I need to get out more??

What sort of line do they use ??
and do they ever break ??

Andy R

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10-24-2004 12:36 PM  13 years agoPost 20
Drunk Monk

rrProfessor

Preston, UK

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man that's fast, good job he didn't let go

Did tiland cos it was out of fuel or was that the end of the run>


Stephen

I only open my mouth to change feet.....

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