Daring Pilots and their Sukhoi SU-26m BNF flying machines

Jim_Marconnet · Aug 13, 2009, 04:20 PM

For the Best, the Brightest, the Most Daring Pilots and their Sukhoi SU-26m BNF flying machines. Stock and modified. Indoor and outdoor. Let the amazing aerial feats begin!

Official Horizon Hobby product info: http://www.horizonhobby.com/Products...ProdID=PKZ3580

Jim_Marconnet · Aug 13, 2009, 04:25 PM

Pilot - Affiliation (an ongoing and always incomplete list of extroidinary pilots)

Brian Rivers - Renegades
Jeff Heller - Renegades
Jim Marconnet - Renegades
Aaron Stanfield - MARS Micro Modelers
Fred Herrmann - MARS Micro Modelers
John Bekman - St. Mary's

Jim_W · Aug 13, 2009, 04:34 PM

I wonder if thats the same Fred Herrmann I remember from a bazillion years ago at RCRC? Other names I remember are Hulan Rogers, Tim Batts(or Bass), Hanz Struik(spelling), Roger Juneman, Drew Thigpen, Ed Slayton, Buddy Wilson, Rusty Foster, Homer Mitchell.........wow I'm old.

Ed Slayton was a retired Sgt Major. He helped more than any one when I started in RC.

Spackles94 · Aug 13, 2009, 04:47 PM

So, have you flown yours yet, Jim? I know it was in the mail...

Jim_Marconnet · Aug 13, 2009, 05:33 PM

Quote:

Originally Posted by Spackles94

So, have you flown yours yet, Jim? I know it was in the mail...

No. I have mildly ambitious plans to modify mine with wing and control surfaces extensions to slow it down for indoor use. I've described these some over in the Sukhoi Indoor Mods thread: http://www.rcgroups.com/forums/showthread.php?t=1092145

But as always when I plot and plan, sometimes my plans change and change and change.

Jeff's Sukhoi looked good today at the PG. I did not get to see it fly for long, nor did I assess how much room it needed. But it looked good to me what I saw. And he took it home in one piece. That's good for something!

Jim

Jim_Marconnet · Aug 13, 2009, 05:36 PM

Quote:

Originally Posted by Jim_W

I wonder if thats the same Fred Herrmann I remember from a bazillion years ago at RCRC? Other names I remember are Hulan Rogers, Tim Batts(or Bass), Hanz Struik(spelling), Roger Juneman, Drew Thigpen, Ed Slayton, Buddy Wilson, Rusty Foster, Homer Mitchell.........wow I'm old.

Ed Slayton was a retired Sgt Major. He helped more than any one when I started in RC.

Of the names you mentioned, the only two I recognize are Fred and Tim Batts. Fred is a RCRC member and has been so for years, so probably BINGO!

Tim Batt is a bigwigg in NARCA, plus he flys indoor some at MARS Micro Modelers and at our MUMC Family Fun Flys.

Jim

brivers · Aug 13, 2009, 07:54 PM

Quote:

Originally Posted by Jim_Marconnet

Pilot - Affiliation

Jeff Heller - Renegades
Jim Marconnet - Renegades
Aaron Stanfield - MARS Micro Modelers
Fred Herrmann - MARS Micro Modelers
John Bekman - St. Mary's

Ahem...

brivers · Aug 13, 2009, 09:13 PM

OK, I just tried out a GWS 5043, and it's awesome! The 5x3 3-blade didn't work out so well, I think becuase the prop adapter I had to use is about 1 gram heavier than the stock setup.

I haven't got the cg just right yet, but it was still fun to fly, nonetheless.
I also have a GWS 5030, but I haven't tried it yet.

I highly recommend this setup! Grab you a GWS5043 and the 1.5mm from the GWS GW/SPN001 spinner pack from Rick's or gwsprops.com and have loads of fun!

Jim_Marconnet · Aug 16, 2009, 10:55 AM

Believe it or not! I actually completed my first set of modifications and maidened my Sukhoi early this AM.

I added a large leading edge extension, making it nearly a delta. And I added tape to the rudder and elevator to increase their surfaces some.

It wanted to high-alpha, almost to hover.

I understand now how people can comment on how underpowered (or perhaps underpropped) this plane is. Of course, I added 2.7 grams in my modifications to a 30 gram airplane, about a 10% weight increase. I had to fly about 75% throttle to keep it in the air.

Anyway, it flew till the wind came up, then it could not keep up with the wind. When I could feel the wind on my face, it was too strong to fly against, so I went home.

It was very sensitive in roll. I had to stay constantly adjusting ailerons. No lazy watch the plane fly by itself flying with this plane in this configuration. I had hoped that the sweep I added would have tamed it down in roll some. Not that I could tell. But then again, I never flew it stock.

The rudder seemed ineffective. I'll probably extend it further after today's flying.

When I saw the MARS MM guys and then Jeff fly theirs, they were fast and covered a lot of territory. This configuration never went very fast, nor did it use up much airspace. I'll take it to the Family Fun Fly this afternoon and see how it does in a half-court gym. I'm pretty sure the stock Sukhoi would not fly easily in there. This one feels like it will be easy to fly in a smaller space.

Jim

Spackles94 · Aug 16, 2009, 11:36 AM

Wow, Jim, it doesn't look anything like the original now!

I keep hearing great things about the prop change and how much better it performs...

brn-grose · Aug 16, 2009, 12:12 PM

apc 9x3.8 is a great prop ....

Spackles94 · Aug 16, 2009, 12:47 PM

Quote:

Originally Posted by brn-grose

apc 9x3.8 is a great prop ....

I think you're missing a 1. It's 19x3.8.

theKM · Aug 16, 2009, 01:00 PM

Quote:

Originally Posted by Jim_Marconnet

Believe it or not! I actually completed my first set of modifications and maidened my Sukhoi early this AM.

I added a large leading edge extension, making it nearly a delta. And I added tape to the rudder and elevator to increase their surfaces some.

It wanted to high-alpha, almost to hover.

I understand now how people can comment on how underpowered (or perhaps underpropped) this plane is. Of course, I added 2.7 grams in my modifications to a 30 gram airplane, about a 10% weight increase. I had to fly about 75% throttle to keep it in the air.

Anyway, it flew till the wind came up, then it could not keep up with the wind. When I could feel the wind on my face, it was too strong to fly against, so I went home.

It was very sensitive in roll. I had to stay constantly adjusting ailerons. No lazy watch the plane fly by itself flying with this plane in this configuration. I had hoped that the sweep I added would have tamed it down in roll some. Not that I could tell. But then again, I never flew it stock.

The rudder seemed ineffective. I'll probably extend it further after today's flying.

When I saw the MARS MM guys and then Jeff fly theirs, they were fast and covered a lot of territory. This configuration never went very fast, nor did it use up much airspace. I'll take it to the Family Fun Fly this afternoon and see how it does in a half-court gym. I'm pretty sure the stock Sukhoi would not fly easily in there. This one feels like it will be easy to fly in a smaller space.

Jim

did you move the CofG forward with the wing changes?... the changes move the CofG forward, and unless you adjusted, you'll be tail heavy which would make the roll and sensitivity no surprise.

Jim_Marconnet · Aug 16, 2009, 09:19 PM

Thanks for the thoughts and suggestions on my delta Sukhoi mod.

I flew it some today at our Family Fun Fly. My challenge was turning it without losing too much altitude. The rudder as is just does not have much authority. Looks like I need to try some more things and work out some more details outdoors where I have more flying area and available flying altitude - when the wind is absent and when I'm not working!

Jim

brivers · Aug 16, 2009, 10:46 PM

I got my cg at about 30-32 mm from the leading edge, and it's much more enjoyable now. I snipped a 1g chunk of lead from a fishing weight and dropped it inside the fuse, tilted it tail-down and let it roll as far back as it would go. Then I dripped some hot glue on it to keep it in place. It's great now!!!

I agree that it could use more rudder, but I don't know if I'd call it ineffective. I was able to do a flat turn pretty easily, but knife edge flight is a little much. I need to move the pushrod to the inner hole and reevaluate.

With a little work, what started off as a disappointment has turned into a nice plane!

Aug 13, 2009, 04:20 PM	#1
Jim_Marconnet Fly long and land softly Join Date: Oct 2005 Location: Madison, Alabama USA Posts: 3,287	Daring Pilots and their Sukhoi SU-26m BNF flying machines For the Best, the Brightest, the Most Daring Pilots and their Sukhoi SU-26m BNF flying machines. Stock and modified. Indoor and outdoor. Let the amazing aerial feats begin! Official Horizon Hobby product info: http://www.horizonhobby.com/Products...ProdID=PKZ3580 Attached Thumbnails Parkzone Sukhoi BNF 16.4 KB · Views: 25 Last edited by Jim_Marconnet; Aug 13, 2009 at 04:28 PM.

Aug 13, 2009, 04:25 PM	#2
Jim_Marconnet Fly long and land softly Join Date: Oct 2005 Location: Madison, Alabama USA Posts: 3,287	Daring Sukhoi BNF Pilots Pilot - Affiliation (an ongoing and always incomplete list of extroidinary pilots) Brian Rivers - Renegades Jeff Heller - Renegades Jim Marconnet - Renegades Aaron Stanfield - MARS Micro Modelers Fred Herrmann - MARS Micro Modelers John Bekman - St. Mary's Last edited by Jim_Marconnet; Aug 13, 2009 at 09:07 PM.

Aug 16, 2009, 10:55 AM	#9
Jim_Marconnet Fly long and land softly Join Date: Oct 2005 Location: Madison, Alabama USA Posts: 3,287	Maidened my modified Sukhoi this AM early Believe it or not! I actually completed my first set of modifications and maidened my Sukhoi early this AM. I added a large leading edge extension, making it nearly a delta. And I added tape to the rudder and elevator to increase their surfaces some. It wanted to high-alpha, almost to hover. I understand now how people can comment on how underpowered (or perhaps underpropped) this plane is. Of course, I added 2.7 grams in my modifications to a 30 gram airplane, about a 10% weight increase. I had to fly about 75% throttle to keep it in the air. Anyway, it flew till the wind came up, then it could not keep up with the wind. When I could feel the wind on my face, it was too strong to fly against, so I went home. It was very sensitive in roll. I had to stay constantly adjusting ailerons. No lazy watch the plane fly by itself flying with this plane in this configuration. I had hoped that the sweep I added would have tamed it down in roll some. Not that I could tell. But then again, I never flew it stock. The rudder seemed ineffective. I'll probably extend it further after today's flying. When I saw the MARS MM guys and then Jeff fly theirs, they were fast and covered a lot of territory. This configuration never went very fast, nor did it use up much airspace. I'll take it to the Family Fun Fly this afternoon and see how it does in a half-court gym. I'm pretty sure the stock Sukhoi would not fly easily in there. This one feels like it will be easy to fly in a smaller space. Jim Attached Thumbnails Top View. I removed most stickers and used Red Sharpie 66.4 KB · Views: 9 Bottom View. I just extended the red stickers with Sharpie. 55.2 KB · Views: 9 Tail control surfaces extended using white wing tape left over from my sailplane days. 79.0 KB · Views: 8

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Aug 13, 2009, 04:34 PM	#3
Jim_W Jim Join Date: Mar 2004 Location: North Alabama Posts: 1,497	I wonder if thats the same Fred Herrmann I remember from a bazillion years ago at RCRC? Other names I remember are Hulan Rogers, Tim Batts(or Bass), Hanz Struik(spelling), Roger Juneman, Drew Thigpen, Ed Slayton, Buddy Wilson, Rusty Foster, Homer Mitchell.........wow I'm old. Ed Slayton was a retired Sgt Major. He helped more than any one when I started in RC.

Aug 13, 2009, 04:47 PM	#4
Spackles94 War Eagle! Join Date: Feb 2007 Location: Birmingham, Alabama Posts: 6,603	So, have you flown yours yet, Jim? I know it was in the mail...

Aug 13, 2009, 09:13 PM	#8
brivers Brian Join Date: May 2007 Location: Madison, AL Posts: 575	OK, I just tried out a GWS 5043, and it's awesome! The 5x3 3-blade didn't work out so well, I think becuase the prop adapter I had to use is about 1 gram heavier than the stock setup. I haven't got the cg just right yet, but it was still fun to fly, nonetheless. I also have a GWS 5030, but I haven't tried it yet. I highly recommend this setup! Grab you a GWS5043 and the 1.5mm from the GWS GW/SPN001 spinner pack from Rick's or gwsprops.com and have loads of fun!

Aug 16, 2009, 11:36 AM	#10
Spackles94 War Eagle! Join Date: Feb 2007 Location: Birmingham, Alabama Posts: 6,603	Wow, Jim, it doesn't look anything like the original now! I keep hearing great things about the prop change and how much better it performs...

Aug 16, 2009, 12:12 PM	#11
brn-grose SEFF Record Flight Pilot Join Date: May 2004 Location: Jasper, TN Posts: 512	apc 9x3.8 is a great prop ....

Aug 16, 2009, 09:19 PM	#14
Jim_Marconnet Fly long and land softly Join Date: Oct 2005 Location: Madison, Alabama USA Posts: 3,287	Thanks for the thoughts and suggestions on my delta Sukhoi mod. I flew it some today at our Family Fun Fly. My challenge was turning it without losing too much altitude. The rudder as is just does not have much authority. Looks like I need to try some more things and work out some more details outdoors where I have more flying area and available flying altitude - when the wind is absent and when I'm not working! Jim

Aug 16, 2009, 10:46 PM	#15
brivers Brian Join Date: May 2007 Location: Madison, AL Posts: 575	I got my cg at about 30-32 mm from the leading edge, and it's much more enjoyable now. I snipped a 1g chunk of lead from a fishing weight and dropped it inside the fuse, tilted it tail-down and let it roll as far back as it would go. Then I dripped some hot glue on it to keep it in place. It's great now!!! I agree that it could use more rudder, but I don't know if I'd call it ineffective. I was able to do a flat turn pretty easily, but knife edge flight is a little much. I need to move the pushrod to the inner hole and reevaluate. With a little work, what started off as a disappointment has turned into a nice plane!