RE: H9 Sundowner  
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RE: H9 Sundowner - 11/5/2007 2:52:26 AM   
kochj


 

Posts: 1504
Joined: 12/5/2005
From: Victoria, MN, USA
Status: offline 		I think you are of sound Mind my friend!!
Justin

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RE: H9 Sundowner - 11/5/2007 11:00:22 AM   
Aerozona



Posts: 200
Joined: 7/17/2007
From: Glendale, AZ, USA
Status: offline
quote:

ORIGINAL: wildswan

I noticed looking at this article that the Sundowner was balanced the correct way up.

http://www.rcuniverse.com/magazine/article_display.cfm?article_id=929

When I balanced mine I it was upside down and believe it said to do it this way in the manual, which is correct?

Jason

I could sware in my "Sundowner" manual it says to make sure that you mark the C/G and ballance the plane INVERTED??? This article that RCKen wrote shows him doing the oppsite???

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RE: H9 Sundowner - 11/5/2007 3:45:01 PM   
CRG


 

Posts: 104
Joined: 6/1/2005
From: , CA, USA
Status: offline 		It does say inverted in the manual, not sure why. The Sundowner should be balanced right side up, as the center of gravity is below the wing and you'll get a more accurate result.

Low wing models should typically be balanced inverted.

I re-engined my Sundowner last night with a Saito 1.80 and it weighs 10.75 pounds dry balanced and ready to fly. Will fly it this week.

Craig.



quote:

ORIGINAL: AeroZona


quote:

ORIGINAL: wildswan

I noticed looking at this article that the Sundowner was balanced the correct way up.

http://www.rcuniverse.com/magazine/article_display.cfm?article_id=929

When I balanced mine I it was upside down and believe it said to do it this way in the manual, which is correct?

Jason

I could sware in my "Sundowner" manual it says to make sure that you mark the C/G and ballance the plane INVERTED??? This article that RCKen wrote shows him doing the oppsite???


(in reply to Aerozona)
       Post #: 528

RE: H9 Sundowner - 11/6/2007 3:32:32 AM   
firestone1121


 

Posts: 185
Joined: 6/8/2007
From: Shillington, PA, USA
Status: offline 		Has anyone put an OS FS200S Ringed in this bird? Thoughts??

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RE: H9 Sundowner - 11/6/2007 4:05:38 AM   
Aerozona



Posts: 200
Joined: 7/17/2007
From: Glendale, AZ, USA
Status: offline 		BGX-3500 here...

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RE: H9 Sundowner - 11/6/2007 7:23:42 AM   
wildswan


 

Posts: 95
Joined: 2/4/2006
From: BirminghamWest Midlands, UNITED KINGDOM
Status: offline 		Well mine flys fine with CG done inverted.

Now I've upped my nitro it's going a bit better.

Damn FS muffer came undone Sunday so got to take prop & cowl off.

Jason

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RE: H9 Sundowner - 11/8/2007 3:25:14 AM   
elmshoot


 

Posts: 568
Joined: 12/27/2001
From: Nashville, IN,
Status: offline 		I think upright is the way to balance. set the CG at 3 " and it will be fine. I never really paid much attention to upside or downside balancing either way seems to work. With the planes mass above the wing balance point it will only stay level in the one position that it is balanced at.
Is anyone flying this plane with a Moki 2.10?
I think I will have my Parker Gold race champion converted oev in the next few weeks.
Sparky

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       Post #: 532

RE: H9 Sundowner - 11/10/2007 10:55:13 PM   
elmshoot


 

Posts: 568
Joined: 12/27/2001
From: Nashville, IN,
Status: offline 		I am just about done with the conversion from the Gas Evo 35 to the Moki 2.10. It will be much lighter and simpler set up. The Radial engine mount just needed to have the holes opend up with a #8 drill and then I had to cut a 1/4" Ply ring that will shim the engine drive shaft far enough fwd to clear the cowl. The spinner will fit, I need a Moki prop nut adapter. I also ordered a Sundowner Muffler ($73) for the Moki from Bission Mufflers since the bolt holes and opening will not work from the EVO engine.
I could be ready to fly next weekend if the mufflers comes in time. Then hang on!!!!
Sparky

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RE: H9 Sundowner - 11/11/2007 2:12:32 AM   
Airnondas


 

Posts: 168
Joined: 11/19/2002
From: Laval, QC, CANADA
Status: offline 		You are going to love the way the plane flies with the Moki.

I used a Perry pump that takes pressure from the crankcase. The engine would run to rich and if you leaned the low to get a good idle, the engine would lean in the air.

Are you going to use a pump?


The problem I encountered with the pump was the pump giving too much fuel. The solution was simple. A tee, installed just before the needle valve going back to the tank, took care of the extra fuel. Now the engine is running perfect, just like my other two Moki's.

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RE: H9 Sundowner - 11/13/2007 4:20:46 AM   
vince.b


 

Posts: 240
Joined: 2/11/2002
From: Victoria , BC, CANADA
Status: offline 		if i could figure out how to post a pic here i could post the 220 in the cowl

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RE: H9 Sundowner - 11/19/2007 4:50:00 PM   
vince.b


 

Posts: 240
Joined: 2/11/2002
From: Victoria , BC, CANADA
Status: offline 		here is the first pic of mine with the saito 220 GK.
This is my first 4 stroke ever I first inpressions on the kit and the engine are 2 thumbs up all the way

Attachments
Click to see fullsize image.
Click for fullsize

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       Post #: 536

RE: H9 Sundowner - 11/23/2007 12:48:10 PM   
kingdaddyjames


 

Posts: 1
Joined: 10/6/2007
From: jacksonville, NC, USA
Status: offline 		I'm putting a O.S. BGX3500 in my Sundowner, propping it with a 18x12 and should see speeds well over a 100 mph.

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RE: H9 Sundowner - 11/23/2007 4:25:34 PM   
sevans16


 

Posts: 313
Joined: 11/16/2006
From: Las Vegas, NV, USA
Status: offline 		Would would this plane do with a OS 300T Gemini?Would it be too heavy?

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RE: H9 Sundowner - 11/23/2007 4:28:58 PM   
CRG


 

Posts: 104
Joined: 6/1/2005
From: , CA, USA
Status: offline 		The 300 twin weighs about the same as the EVO35, so it's achievable. You'll have similar balance issues, and about the same handling and performance.

I have refitted my Sundowner with a Saito 1.80 and it's the best combination I've tried yet. Exactly the same speed as the EVO35, but almost three pounds lighter and it flies like a dream.

Craig.




quote:

ORIGINAL: sevans16

Would would this plane do with a OS 300T Gemini?Would it be too heavy?


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       Post #: 539

RE: H9 Sundowner - 11/23/2007 8:48:10 PM