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Old Aug 25, 2011, 08:55 PM
We shall serve the Lord
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The new Hangar 9 Shoestring will not be out until October, but I did see a prototype fly in March of this year. It was very competitive with the Pogos. I was flying a Pogo in that race and did not have the Sundowner yet, so I can not give you a head-to-head comparison with the prototype Shoestring. Here is a picture from that race of the prototype.

NMPRA has done a very good job of keeping the airframes pretty equal in EF-1 and the speeds are very close. The Sundowner has a larger wing area and may have a larger cross-section, so it may not have the same straightout speed as the Pogo or Shoestring. That being said, it turns better and flies smoother so if the planes are pretty evenly matched for speed, and you can fly a tighter smoother course on race day, you will win the races. Practice, Practice, Practice.

McD
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Old Aug 25, 2011, 09:00 PM
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The "not out till Oct." certainly helps make my decision easier

Thanks
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Old Aug 25, 2011, 11:49 PM
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Quote:
Originally Posted by kingsflyer View Post
Impressive flying Sundowner! What is the altitude where you are flying?

I'm not sure your runway to pit area setback exactly meets the AMA requirements !!!

McD
I from isreal...I fly on the road that doesn't work on Saturday near my house.
What is the AMA requiements?
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Old Aug 26, 2011, 06:38 AM
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AMA, as our national regulatory body for model sport and competition flying, has set a number of rules for club facilities and competition course layouts. Here is the one for pylon racing.

http://www.modelaircraft.org/files/2...ylonRacing.pdf

My question about altitude was made because the Sundowner seemed to be flying a little slow for the engine/muffler combination you have in place. I know for example that folks in Mexico and folks in Denver Colorado must use larger engines in their planes because of the thin air. I'm also guessing that the engine was set a little on the rich side because of the visible exhaust trail and I'm guessing you may have been using low or no nitro fuel.

Love your country! I hope to be able to visit again some day.

McD
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Old Aug 26, 2011, 04:17 PM
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Thank you McD

The place I fly is about the height of the sea.
I use 30% omega for heli.

In my country the Temperature is hot so I fly little rich.
Also my engine a little tired, felt on a low compression.

Do you think there is a way to extract more from the engine?

with thanks
moshik
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Old Aug 26, 2011, 04:58 PM
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The climate here in central Texas is about the same. Rich engines are a way of life here also. You might want to try a new piston ring. Check the bearings when you have it apart and replace them if they are rough. When you get it back together, do a proper break-in all over again. Hope this helps.

McD
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Old Sep 07, 2011, 01:24 PM
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Quote:
Originally Posted by kingsflyer View Post
The new Hangar 9 Shoestring will not be out until October, but I did see a prototype fly in March of this year. It was very competitive with the Pogos. I was flying a Pogo in that race and did not have the Sundowner yet, so I can not give you a head-to-head comparison with the prototype Shoestring. Here is a picture from that race of the prototype.

NMPRA has done a very good job of keeping the airframes pretty equal in EF-1 and the speeds are very close. The Sundowner has a larger wing area and may have a larger cross-section, so it may not have the same straightout speed as the Pogo or Shoestring. That being said, it turns better and flies smoother so if the planes are pretty evenly matched for speed, and you can fly a tighter smoother course on race day, you will win the races. Practice, Practice, Practice.

McD
Do you mean E-Flite Shoestring or is it really a Hangar-9 Shoestring? Or, are they the same brand?

Thanks,
^R^
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Old Sep 07, 2011, 02:34 PM
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I must admit, I'm not an expert on the fine lines between the Horizon E-flite and Hangar 9 brands . The Sundowner is marketed under the Hangar 9 brand while the Pogo and the Shoestring are marketed under the E-flite brand. Sorry for any confusion my Hangar 9 reference may have caused.

McD
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Old Sep 07, 2011, 04:07 PM
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no problem I was just making sure I did not miss anything.

Thanks.
^R^
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Old Sep 11, 2011, 07:54 AM
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Mike,

What a great review on the SunDowner 36. I was impressed with the building tips. Since I've seen it fly, it's on my list of planes to purchase.
I too think it's very difficult to photograph at full speed. You could slow it down a touch on the initial photo ops (since I was the photographer).hahaha.

What a great review and airplane.
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Old Sep 11, 2011, 08:24 AM
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Thanks for the kudos. You're right, it is a great flying plane.

However, if you slow it down too slow for the photos, you won't get that great blurred background effect or those wonderful photog expletives to delete from the video.

McD
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Old Sep 26, 2011, 01:32 PM
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Sundowner 36 is a great little plane with just the right flight characteristics for the speed freaks on a budget. So far I have managed a speed of 128.6 mph with my sd36 powered by a Scorpion 3026 1600kv on 4s 3300 30c Sky lipo pack spinning an APC 8x6 e prop. Not sure if it's possible to get much more speed than that with the current setup.
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Old Sep 26, 2011, 02:00 PM
Racing Enthusiast AMA 3557
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Who's shoestring is that with Ray Cote's Circus Circus Casino Theme?
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Old Sep 26, 2011, 02:00 PM
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Quote:
Originally Posted by Vantagepoint View Post
So far I have managed a speed of 128.6 mph with my sd36....
Very Nice! That is about what my SD 50 is flying Too cool!

I am planning on hopping up that power system this winter to reach 150... in the meantime, I have been flying the snot out of it

I have been trying to finish up some other projects on the bench and hope to have a SD 36 in my hangar by next season. Right now I am focused on 3 projects: Guillows F-15 conversion with two 30mm EDFs, Guillows L-19 conversion with PZ gear, and Burned Retina (my AddictionX night flyer).


I must say though, that regardless of the size, I think the SD planes are the greatest looking planes at the field and have a great presence in the air. Dang I love that cowl and turtle deck (it gives it such aesthetically pleasing lines)

As there has not been much in this discussion in the form of pics, here are a few my buddy WebDr took of my SD last week.

Lets see some pics of your SD36's if ya got em; any new vids floating around out there??
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Old Oct 19, 2011, 10:07 AM
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I have built and flown my SD 36 and thought I would post my impressions. Setup is race legal with the E-flite motor but a Turnigy Plush esc. Turnigy Nano 2.2 3S for sport prop, Nano 2.65 4S for race prop. I changed linkages to quality 2/56 rods and clevis.HiTec HS 125MG thin wing servos and MG 225's for rudder and elv. 225's are OK but a little large and heavy. If I do another EF1 I'll find another servo for those surfaces. 125's seem OK. I did use Kingsflyer's vented spinner idea.
First flights went fine with the sport prop. Flights with the 8x6 I started having having trouble keeping the plane on the course. I found that both wings had developed about 1/16" play up or down on the leading edge. The wing tube had developed play.....I do not think it was there when I first put the plane together. Thin CA on the wing tube center took care of that. Same with the anti-rotation pin sockets. Next flight was fine with the plane grooving fine. This plane attracts a lot of attention and is a nice change at the field.
My next move is to find one or more flyers with legal planes and practice with them. At this point I am not worried about the SD not being the "best" race plane. I'll make a move later if needed. The only other change I have in mind is the light and thin race wheels and axles. Weight with the 4S is currently 3lbs 9 oz.
Richard
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