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RE: ECOMRC TigerMoth 1/4 Scale - 11/28/2012 7:33 PM   
Dbp7966


 

Posts: 154
Score: 100
Joined: 12/3/2010
Last Login: 6/17/2013
From: Birmingham, UNITED KINGDOM
Status: offline 		Seems about right, mine flys nice on 18Lbs.

I also have changed the differential on the Ailerons less on the down and it turns alot nicer now.

DB

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       Post #: 151

RE: ECOMRC TigerMoth 1/4 Scale - 1/2/2013 3:04 AM   
600Bob


 

Posts: 89
Score: 100
Joined: 5/14/2012
Last Login: 6/17/2013
From: , OR, USA
Status: offline 		Well it dried out enough to get a second test flight of the TM with the new CG at 7 3/8 inches.  After a few min. of flight it had an engine failure, my test pilot set it down in the cow pasture and it flipped over, only the prop was broken.  I am 90% certain that the fuel fill line came off the stopper plug that is a part of the switch box.

Also after the flight a friend of mine picked something up off the ground where I had started the plane.  It was 12oz. of lead that had fallen out of the front of the cowl, the epoxy didn't hold!  So in fact the CG for this flight at about 7 3/4 or even 8 in., right about where Hangar 9 says to balance their TM.  My pilot said it flew fine, still needed lots of down elevator while inverted.  Elevators have a slight amount of down trim for normal flight.

Didn't have any problem with it wanting to nose over during taxi in the grass either with 4in. tires.  The manuals CG is waaaaaaay too far forward.

Video to follow after it uploads.


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       Post #: 152

RE: ECOMRC TigerMoth 1/4 Scale - 1/2/2013 6:30 AM   
jagfab


 

Posts: 50
Score: 100
Joined: 10/12/2004
Last Login: 6/19/2013
From: mumbai , INDIA
Status: offline 		thanks for the updates 600 bob and congrats on the flights
very reassuring since my cg is at about 7.5"
nice way to start the new year !!

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       Post #: 153

RE: ECOMRC TigerMoth 1/4 Scale - 1/2/2013 4:37 PM   
600Bob


 

Posts: 89
Score: 100
Joined: 5/14/2012
Last Login: 6/17/2013
From: , OR, USA
Status: offline 		Here is the video of the second flight, not knowing that 12oz of lead had fallen out of the front of the cowl.  The CG for this flight is approximately 8 inches from the leading edge of the fake fuel tank.

Minor rant.  Who thought it would be a good idea to remove eye level  viewfinders from video cameras?  I missed the actual landing when the engine failed but caught just a glimpse of it on it's back.

https://www.youtube.com/watch?v=dAuv6g9NiLY


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       Post #: 154

RE: ECOMRC TigerMoth 1/4 Scale - 1/5/2013 3:04 PM   
flyalot


 

Posts: 125
Score: 100
Joined: 5/1/2003
Last Login: 6/18/2013
From: Dixfield, ME, USA
Status: offline 		Hi 600 Bob Thanks for the video. Will put my Moth back together and re balance. its warm today 29 F sunny and windy, blowing snow.
Nice break from a week of single number temperatures.
Have about a foot of the white stuff on the ground. The younger members of my club do fly off snow and frozen lakes and enjoy it.
Joe

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       Post #: 155

RE: ECOMRC TigerMoth 1/4 Scale - 1/5/2013 7:50 PM   
600Bob


 

Posts: 89
Score: 100
Joined: 5/14/2012
Last Login: 6/17/2013
From: , OR, USA
Status: offline 		My test pilot said it flew well and still didn't feel nose heavy, he thought it is my easiest plane to fly, he probably forgot how easy my Lazy Ace or 1/4 Cub are to fly     It will require the elev.. to have some down trim though.  Not surprising since the Hangar 9 TM flys with down trim as well, they designed it to act like a flying stab.

This is my test pilot flying his 40% Extra 260.  I had trouble keeping up with him at first.  My first attempt videoing with a new camera and sun glare on the view screen.

https://www.youtube.com/watch?v=rlWvNvo9Uso


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       Post #: 156

RE: ECOMRC TigerMoth 1/4 Scale - 6/13/2013 1:10 PM   
ozzieflyer


 

Posts: 175
Score: 100
Joined: 3/3/2003
Last Login: 6/19/2013
From: GeelongVictoria, AUSTRALIA
Status: offline
quote:

ORIGINAL: Dbp7966

Hi Carl,

Just for you me old mate.

Install of the DLE 30.  I beefed up the inside of the bulk head( for my own peace of mind) with  10 mm ply plate.

With the stand offs she fits just right as indicated in the book from bulk head to prop driver.

I purchased a rap around and it sits very nicely.  Will run a 18 x 8 prop.

DB




Hi
I have just purchased one of these, very happy with the kit,
Was wondering about the distance for the engine from the Prop Hub to the Firewall. The manual I have is a little unclear, is it 160 mm ?
Thanks from 'DownUnder

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       Post #: 157

RE: ECOMRC TigerMoth 1/4 Scale - 6/13/2013 5:10 PM   
600Bob


 

Posts: 89
Score: 100
Joined: 5/14/2012
Last Login: 6/17/2013
From: , OR, USA
Status: offline 		I didn't measure the distance in mine,  The standoffs for the DLE 35RA worked out of the box.

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       Post #: 158

RE: ECOMRC TigerMoth 1/4 Scale - 6/17/2013 4:10 PM   
Dbp7966


 

Posts: 154
Score: 100
Joined: 12/3/2010
Last Login: 6/17/2013
From: Birmingham, UNITED KINGDOM
Status: offline 		Hi There,

Same here, my stand offs from my DLE 30 was spot on, what motor are you entending to use?

I can take my prop and cowl off if you need to know.

Cheers

DB

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       Post #: 159

RE: ECOMRC TigerMoth 1/4 Scale - 6/19/2013 1:24 PM   
ozzieflyer


 

Posts: 175
Score: 100
Joined: 3/3/2003
Last Login: 6/19/2013
From: GeelongVictoria, AUSTRALIA
Status: offline
quote:

ORIGINAL: Dbp7966

Hi There,

Same here, my stand offs from my DLE 30 was spot on, what motor are you entending to use?

I can take my prop and cowl off if you need to know.

Cheers

DB

From on top

Hi DB,
that would be great.
I've just purchased an OS GF-40 to put in mine, so am just working out the stand offs I will need.
Thanks,

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       Post #: 160

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All Forums >> RC Airplanes >> ARF or RTF >> RE: ECOMRC TigerMoth 1/4 Scale
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