RE: NEW Hangar 9 85cc SU-26MM Sukhoi  
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All Forums >> TEAM RCU >> TEAM RCU - Mike McConville >> RE: NEW Hangar 9 85cc SU-26MM Sukhoi
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RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 7/8/2008 11:26:40 AM   
BaldEagel



Posts: 4220
Joined: 10/12/2005
From: Wychling, Kent, UNITED KINGDOM
Status: offline 		You could find that the exhaust restriction from the Pits type silencer is causing a back pressure and resulting overheating, go for a cannister it may help.

Mike

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       Post #: 226

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 7/8/2008 5:57:36 PM   
MRDEAD


 

Posts: 7
Joined: 3/8/2006
From: Bronx, NY, USA
Status: offline 		Hi all, did any one notice that they had to put in up thrust on a Da-85?

Also for curiousity what are some weights out there? Mine is without pilot or wheelpants and no spinner 20.5 pounds dry. Gear on plane is two 2 cell 2100 thunder power for reciever, one 2 cell 2100 for ignition w/ fromeco reg,3 smartfly switches, smartfly EQ6 w/ turbo reg, JR9100 reciever, hitec 5955's w/ JR 8711 for rudder, DA-85 W/ slimline Pitts 1 servo for throttle and choke, carbon wing tube(troy built models tbm)don't forget to cut the length, xoar 26x10 2 blade prop.

I got 11 flights on it. It's ballistic!!!!!!!!!

out of box Da-85 ran strong haven't touched the needles yet 10 min flights less than a half of tank gas used each flight, scary !!!! I'm tempted to switch to a 20 ounce gas tank w/ gas stopper.[/size]

(in reply to RICK9303)
       Post #: 227

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 7/9/2008 1:40:46 AM   
Andrew_S



Posts: 210
Joined: 8/3/2002
From: Gaston, SC, USA
Status: offline 		Thanks for the replys. That pitts muffler did cut a lot of ower away from the engine Ihad to richen both needles almost 1 1/2 turns to get it to run. I just cut the end of the muffer off and the 2 outlets are all the way to the top inside of the can part. I cut them off and I'm gonna weld the end back on and go from there.....

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What do heli''''s and ceiling fans have in common? When the blades stop turnin, You start sweatin ! ! !

(in reply to MRDEAD)
       Post #: 228

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 7/9/2008 11:47:56 AM   
BaldEagel



Posts: 4220
Joined: 10/12/2005
From: Wychling, Kent, UNITED KINGDOM
Status: offline
quote:

ORIGINAL: MRDEAD

Hi all, did any one notice that they had to put in up thrust on a Da-85?



??????

Mike


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No matter what anyone says 100% is the maximum you can get.

(in reply to MRDEAD)
       Post #: 229

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 7/9/2008 9:01:37 PM   
Andrew_S



Posts: 210
Joined: 8/3/2002
From: Gaston, SC, USA
Status: offline
quote:

Hi all, did any one notice that they had to put in up thrust on a Da-85?



What kind of issue are you having? I noticed with mine it wants to head toward the ground only when I apply full throttle at level flight. Nothing drastic though, also mine I had to put in several clicks of up trim.

_____________________________

What do heli''''s and ceiling fans have in common? When the blades stop turnin, You start sweatin ! ! !

(in reply to BaldEagel)
       Post #: 230

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 7/10/2008 12:12:28 AM   
MRDEAD


 

Posts: 7
Joined: 3/8/2006
From: Bronx, NY, USA
Status: offline 		I put in some washers behind the da-85 to give it up thrust because mine too would go towards the ground when throttle was applied and when in KE, it would go toward belly. After the washers were put in it does it a lot less about half way less. I'm going to do one more washer on each side to give it more up thrust. I also have it cg'd at 8 ". I'm going to in time make it more tail heavy. Maybe 8 and half inch's back

(in reply to Andrew_S)
       Post #: 231

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 8/13/2008 1:13:17 AM   
wardie


 

Posts: 13
Joined: 9/21/2003
From: winnipeg, MB, CANADA
Status: offline 		I have one of these Sukhoi's with a 110 BME in it. It is the all time best H-9 design in my opinion. Mine weighs 19lbs dry with one 3000 2s lipo for the receiver and ignition. It turns a 26X10 NX prop at 8400 on the ground. It truly is the best multi purpose plane I have had.

(in reply to MRDEAD)
       Post #: 232

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 8/13/2008 1:20:47 AM   
wardie


 

Posts: 13
Joined: 9/21/2003
From: winnipeg, MB, CANADA
Status: offline 		I have to show my home made exaust, lawn mower mufflers drilled out on the BME stacks.

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(in reply to wardie)
       Post #: 233

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 8/13/2008 4:18:51 PM   
flatlandmike



Posts: 1145
Joined: 10/6/2003
From: lexington, KY, USA
Status: offline 		I think its time to get a buffing wheel for those welds. Make em shiny

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Special thanx to The Crew Mike B. Jim Z. Ed J. Jim S.

(in reply to wardie)
       Post #: 234

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 8/13/2008 4:43:07 PM   
bjamesjr


 

Posts: 45
Joined: 1/15/2008
From: Elizabethtown, PA, USA
Status: offline
quote:

ORIGINAL: wardie

I have one of these Sukhoi's with a 110 BME in it. It is the all time best H-9 design in my opinion. Mine weighs 19lbs dry with one 3000 2s lipo for the receiver and ignition. It turns a 26X10 NX prop at 8400 on the ground. It truly is the best multi purpose plane I have had.


Can you say overpowered:O WOW

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(in reply to wardie)
       Post #: 235

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 8/13/2008 5:41:48 PM   
flatlandmike



Posts: 1145
Joined: 10/6/2003
From: lexington, KY, USA
Status: offline 		Hovers at idle lol.

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Special thanx to The Crew Mike B. Jim Z. Ed J. Jim S.

(in reply to bjamesjr)
       Post #: 236

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 8/15/2008 10:43:32 PM   
wardie


 

Posts: 13
Joined: 9/21/2003
From: winnipeg, MB, CANADA
Status: offline 		The cowl hides the welds but you are right, I should have cleaned them up.
I am thinking of selling the two planes and my van. Time to go bigger....

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(in reply to flatlandmike)
       Post #: 237

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 8/30/2008 6:03:59 PM   
Aerozona



Posts: 199
Joined: 7/17/2007
From: Glendale, AZ, USA
Status: offline 		Hey Mike...I'm about half way done with my new Sukhoi SU26MM and ready to start thinking about my exhaust system. I have read the forums and see a couple of different views on what to use. I want to use a canister muffler system and was wanting to know your suggestion on the right canister muffler to use with my Sukhoi / DA-85 combo? Any help here will be fully appreciated.

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       Post #: 238

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 8/30/2008 7:26:23 PM   
dptp9lf


 

Posts: 98
Joined: 10/26/2002
From: Calgary, AB, CANADA
Status: offline
quote:

ORIGINAL: wardie

I am thinking of selling the two planes and my van. Time to go bigger....


Beautiful setup... I think you're right though... you've outgrown your van. LOL
Cheers,
Lyle

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Lyle

(in reply to wardie)
       Post #: 239

RE: NEW Hangar 9 85cc SU-26MM Sukhoi - 8/31/2008 10:11:34 AM   
Andrew_S



Posts: 210
Joined: 8/3/2002
From: Gaston, SC, USA
Status: offline 		Get yourself one of these..........Is that exhaust heavy and how loud is it?

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< Message edited by Andrew_S -- 8/31/2008 10:15:14 AM >

_____________________________

What do heli''''s and ceiling fans have in common? When the blades stop turnin, You start sweatin ! ! !

(in reply to dptp9lf)