RE: Extreme Flight RC Yak 54 - 74 inch!  
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RE: ... - 12/31/2007 8:59:43 PM   
FLYMIKE


 

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From: WEST VALLEY, UT, USA
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quote:

ORIGINAL: Jake Ruddy

I have setup 2 of 46s and flown 1 other persons and I didn't have issues with any of the 3. Is it possible you just have a heavy wing or a warped aileron?

The best way to checkyour balance is in the air.. climb straight up infront of you with the canopy towards you... push over the top and do a straight dive at idle.. wait a little bit and then pull hard on the elevator.. whatever wing drops is the heavy one. On my 33%er I had to add 2oz of lead to the left wingtip and it still could have used some more.

Keep in mind this method only works if your elevators are setup properly and travel the same distance.

I am assuming the pipe is hitting because you used a pitts style muffler? I have only used the side dump and put the prop washer out the same distance as recommended in the manual.

Yep pitts style...weighs 7 ounces...goin to get side dump....wings are the same weight....that wasnt the problem....not a fan of adding weight to the wing tips...especially when the balance is because of motor..LOL "offset" Travel is centered perfect on all surfaces...flies perfect now..staight...the only thing left to do is the side muffler so i can put the motor back..

(in reply to Jake Ruddy)
       Post #: 1976

RE: ... - 12/31/2007 9:08:46 PM   
FLYMIKE


 

Posts: 570
Joined: 6/20/2006
From: WEST VALLEY, UT, USA
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quote:

ORIGINAL: Jake Ruddy

I have setup 2 of 46s and flown 1 other persons and I didn't have issues with any of the 3. Is it possible you just have a heavy wing or a warped aileron?

The best way to checkyour balance is in the air.. climb straight up infront of you with the canopy towards you... push over the top and do a straight dive at idle.. wait a little bit and then pull hard on the elevator.. whatever wing drops is the heavy one. On my 33%er I had to add 2oz of lead to the left wingtip and it still could have used some more.

Keep in mind this method only works if your elevators are setup properly and travel the same distance.

I am assuming the pipe is hitting because you used a pitts style muffler? I have only used the side dump and put the prop washer out the same distance as recommended in the manual.

Right wing dropping when pullin from dive can also be caused by to much R thrust too....In my case it was that....as it was heavier on the left in flight do to the tork and offset of the motor...It balanced perfect on the ground...

(in reply to Jake Ruddy)
       Post #: 1977

RE: ... - 12/31/2007 9:12:36 PM   
nitro wing


 

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Joined: 9/29/2003
From: surrey, BC, CANADA
Status: offline


[/quote]


Also keep in mind you are going to need a lot more glow fuel than gas in the tank to fly 15 mins so the flying wieghts are even closer.




[/quote]

I just used used the stock tank.I can fly easily for 15 minutes of variable flying.I think most guys if they are not careful are close to 13 pounds.But most seem to agree that it flies well at 11 or 13 pounds.

(in reply to Jake Ruddy)
       Post #: 1978

RE: ... - 12/31/2007 9:17:31 PM   
FLYMIKE


 

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quote:

ORIGINAL: nitro


Yep, my weight is without fuel...12ounce tank is getting me 25min full flight but only fly 15min....12.8 without fuel...stock settup on a digital scale..

< Message edited by FLYMIKE -- 12/31/2007 9:29:12 PM >

(in reply to nitro wing)
       Post #: 1979

RE: ... - 12/31/2007 9:22:19 PM   
FLYMIKE


 

Posts: 570
Joined: 6/20/2006
From: WEST VALLEY, UT, USA
Status: offline 		The B46 will fit better on this plane then mine did....My carb is on the back so it goes into the firewall and the muff I used was the EVO wrap inverted which is heavy and prevents me from putting the motor back....the 46 will deffinately be lighter too...

(in reply to FLYMIKE)
       Post #: 1980

RE: ... - 12/31/2007 9:27:49 PM   
FLYMIKE


 

Posts: 570
Joined: 6/20/2006
From: WEST VALLEY, UT, USA
Status: offline 		with my settup the plane stalls in harriers..at all angles with no wing rock....and I have no problem going full throttle at any angle of flight...plane is solid...and lovin every minute of it....and when I mean stall, it doesnt move an inch...

(in reply to FLYMIKE)
       Post #: 1981

RE: ... - 12/31/2007 9:29:29 PM   
Jake Ruddy



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From: Bear, DE, USA
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quote:

ORIGINAL: FLYMIKE


[
Right wing dropping when pullin from dive can also be caused by to much R thrust too....In my case it was that....as it was heavier on the left in flight do to the tork and offset of the motor...It balanced perfect on the ground...



How does the thrust effect this when you are at idle?

How do you decide what is causing it?

< Message edited by Jake Ruddy -- 12/31/2007 9:31:37 PM >

(in reply to FLYMIKE)
       Post #: 1982

RE: ... - 12/31/2007 9:35:56 PM   
FLYMIKE


 

Posts: 570
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From: WEST VALLEY, UT, USA
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quote:

ORIGINAL: Jake Ruddy


quote:

ORIGINAL: FLYMIKE


[
Right wing dropping when pullin from dive can also be caused by to much R thrust too....In my case it was that....as it was heavier on the left in flight do to the tork and offset of the motor...It balanced perfect on the ground...



How does the thrust effect this when you are at idle?

When pulling out of dive....the more throttle the more it pulled to the right....it was just slight then...it was inverted harriers that was scary...it would pull to a flat spin if I gunned the throttle with no rudder input...just pulled slightly when harrier is at half throttle...

(in reply to Jake Ruddy)
       Post #: 1983

RE: ... - 12/31/2007 9:38:07 PM   
FLYMIKE


 

Posts: 570
Joined: 6/20/2006
From: WEST VALLEY, UT, USA
Status: offline 		I can feel the planes movements...like I am one with it.....and all else was checked first....

(in reply to FLYMIKE)
       Post #: 1984

RE: ... - 12/31/2007 10:10:06 PM   
xtraflyr


 

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From: Chester, NJ, USA
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quote:

ORIGINAL: FLYMIKE

I can feel the planes movements...like I am one with it.....and all else was checked first....

HAHAHA!!! That sounds like the guys that fly the 2.4 stuff. I feel totally connected!!


Im just playin 2.4 guys!! Thanks for the help,I think Ill get the B46 for it. Maybe I could get Scott to swap me another motor 50 or the 60.When it time for the Extra..

Unless Chris is thinking about a 74" or so Extra. Then I can keep the 46GT!!
Happy New Years!!
Frank


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(in reply to FLYMIKE)
       Post #: 1985

RE: ... - 12/31/2007 10:16:48 PM   
patternflyer1



Posts: 1404
Joined: 7/3/2003
From: Tracy, CA, USA
Status: offline 		Pulling out of a dive is the incorrect way to tell right thrust.. Don't get me wrong, do what you want.. I'm not trying to go there..

Attached is a trimming article that you may or may not have seen.. It's what most of the IMAC and Pattern guys follow.. Not that they are any better than anyone else.. Not going there either.. lol

Hope it helps someone..

Chris

Attachments
Click to see the file in new window.Attachment.pdf


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(in reply to FLYMIKE)
       Post #: 1986

RE: ... - 12/31/2007 11:15:18 PM   
Jake Ruddy



Posts: 3146
Joined: 5/22/2005
From: Bear, DE, USA
Status: offline 		Thats what I have been taught to use for IMAC and bubbagates worked with me a bit last summer and used the same methods.

Everyone has the own methods.. I was curious. THe main thing is its flying great now!

Frank: EF is coming out with a 78" Extra this year.. last I heard. It will be lighter than the 74" Yak and yes I already want one too

(in reply to patternflyer1)
       Post #: 1987

RE: ... - 12/31/2007 11:22:54 PM   
xtraflyr


 

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From: Chester, NJ, USA
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quote:

ORIGINAL: Jake Ruddy

Thats what I have been taught to use for IMAC and bubbagates worked with me a bit last summer and used the same methods.

Everyone has the own methods.. I was curious. THe main thing is its flying great now!

Frank: EF is coming out with a 78" Extra this year.. last I heard. It will be lighter than the 74" Yak and yes I already want one too

Hey Jake(It gonna take awhile to get used to your new username!! )
You just made the desision for me!! Thanks... Anyone gonna want to buy a 74"Ef Yak???

Cya,
Frank


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       Post #: 1988

RE: ... - 12/31/2007 11:26:46 PM   
Jake Ruddy



Posts: 3146
Joined: 5/22/2005
From: Bear, DE, USA
Status: offline 		hahaha... it's def. going to be a nice flyer. The 58" flies really well and so does the 88 so a 78 has to be somewhere in between great and awesome

< Message edited by Jake Ruddy -- 12/31/2007 11:27:07 PM >

(in reply to xtraflyr)