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Search: Posts Made By: Ksubram
Showing results 1 to 25 of 44
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Forum: ARF or RTF
07-03-2009, 10:11 AM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

dirtrod,
Sounds like I might have the same problem likes yours. I have been having these problem since last season. Nobody in my club can figure out why especially this engine would give such a...
Forum: ARF or RTF
07-02-2009, 02:33 PM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

DreamingTree,
My engines are OS91 Surpass (4 Stroke), hence there is no casket involved. I have several 2 strokes that have caskets in them and all work beautifully.

Thanks
kris
Forum: ARF or RTF
07-02-2009, 02:08 PM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

PMW,
Great! The machine shop guy did a great job. I am going to try it out tonight and will keep you posted. My only concern is the noise issue. I guess I will know tonight. I can't wait to see the...
Forum: ARF or RTF
07-02-2009, 01:27 PM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

When my engine runs, the engine does not appear to shake at all. It look pretty sturdy.

Thanks
Kris
Forum: ARF or RTF
07-02-2009, 01:23 PM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

pmw,
I just got the copper tube threaded. Should I cut the length of the copper tube to about 4" just like yours?

Kris
Forum: ARF or RTF
07-02-2009, 01:17 PM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

MinFlyer,
Yes, both my engines are just like yours. I just returned from the Machine shop to have the copper tube threaded to fit the elbow. I had also tapped a hole so that the nipple can be...
Forum: ARF or RTF
07-02-2009, 10:24 AM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

pnm,
I found the copper wire from Lowe's and now calling some machine shops to see if they can do the threads for me. I am kind of excited with your idea. Will keep you posted.

Thanks
Kris
Forum: ARF or RTF
07-02-2009, 10:22 AM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

MinnFlyer,
Both the engines are the ealier versions. So I would need the muffler pressure. Thanks.

Kris
Forum: ARF or RTF
07-02-2009, 09:42 AM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

MinnFlyer,
Are you saying that pnw suggestion will not work? You have a point because when my muffler came off in-flight, I immediately started to loose power.

Thanks
Kris
Forum: ARF or RTF
07-02-2009, 09:06 AM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

Hi pmw,
Quick question...how long is your brass copper tube?

Thanks
Kris
Forum: ARF or RTF
07-02-2009, 09:03 AM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

This is interesting. I will check tonight when I get home. I know for sure there is enough clearance between the mounts and crankcase.

Thanks you..

Kris
Forum: ARF or RTF
07-01-2009, 03:28 PM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

This makes a lot of sense. I am going to thry this one out. Thank you very, very much. I will report back if I am succesful. Thanks again.

Kris
Forum: ARF or RTF
07-01-2009, 03:07 PM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

pmw,
How do you connect the Brass pipe to the exhaust? Do you thread the bass pipe? By exhaust do you mean the cylinder where the elbow connects to the engine? Also my club has a sound limit of...
Forum: ARF or RTF
07-01-2009, 02:50 PM
Replies: 30
Views: 3,864
Posted By Ksubram

RE: Muffler vibration on OS 91 Surpass

Pmw,
Thanks for the reply. I sent the muffler to Clarence Lee. He had JB Weld the a brass fitting to the muffler. But the issue with mine is Elbow actually breaks apart.

Thanks
Kris
Forum: ARF or RTF
07-01-2009, 02:30 PM
Replies: 30
Views: 3,864
Posted By Ksubram

Muffler vibration on OS 91 Surpass

Hi All,
I have three planes (AeroWorks Edge 540, H9 P-51 and GP Minnow). OS 91Surpass is installed on all three. On the H9 P-51, I have an alluminium mount but on the other two, I have the regular...
Forum: NitroModels Support
11-03-2008, 01:34 PM
Replies: 0
Views: 525
Posted By Ksubram

NitroPlanes - GeeBee 25 - Engine Size

I just purchased the NitroPlanes GeeBee .25 size. I am planning on putting the OS .25 two stroke engine. Has anyone flown with this engine or similar in size and if so how is the performance? I know...
Forum: Giant Scale Aircraft - 3D & Aerobatic
07-31-2008, 01:11 PM
Replies: 367
Views: 57,058
Posted By Ksubram

RE: H9/Carden Yak 54

RCXPLANES,
The way we measure sound is by using a sound meter standing about 6 feet away from the side of the propeller. This has been the standard for everyone. The reason why they are so...
Forum: Giant Scale Aircraft - 3D & Aerobatic
07-31-2008, 12:23 PM
Replies: 367
Views: 57,058
Posted By Ksubram

RE: H9/Carden Yak 54

Hi Nitro Wing,
Thanks for the response. Not sure what you mean by regular muffler? Is it the muffler supplied with your 50cc engine? Is so what kind of 50cc engine do you have? DA50cc?? You you...
Forum: Giant Scale Aircraft - 3D & Aerobatic
07-31-2008, 11:09 AM
Replies: 367
Views: 57,058
Posted By Ksubram

RE: H9/Carden Yak 54

Bud
Thank you for the very prompt reply. I will try to call Horizon Hobby to see if they have numbers on DB. Thank you though.

Kris
Forum: Giant Scale Aircraft - 3D & Aerobatic
07-31-2008, 10:11 AM
Replies: 367
Views: 57,058
Posted By Ksubram

RE: H9/Carden Yak 54

RXPLANES,
Great review on the plane. I am very interested in this plane except that my club has a sound limit of 92db. I realize that you can put canisters in the plane. DO you think I can come...
Forum: Sport Flying
06-10-2008, 02:05 PM
Replies: 19
Views: 7,661
Posted By Ksubram

RE: Great Planes Little Toni vs. Cosmic Wind Minnow?

Trent,
I own the Cosmic Wind Minnow for the 8 mnonths. I can say that it is one of my favourite planes. I have an OS 91 Surpass with and 14 x 8 prop in it. Very, very fast and does all sorts of...
Forum: Questions and Answers
03-15-2006, 11:48 AM
Replies: 4
Views: 711
Posted By Ksubram

RE: Funtana s 40 With OS 50 SX

Hi Woefels,
When I bought my Funtana 40 I had a OS 50SX. It flew very well. But if you are into 3D, then it needs a little more power. I switched mine to a Saito 82 for better 3D. Otherwise for...
Forum: 3DFoamy Support
01-05-2006, 09:47 PM
Replies: 14
Views: 1,892
Posted By Ksubram

RE: SuperCap CG Problem

SuperKaos,
Actually I forgot to mention -- while flying mine for about 6mins or so the motor cuts outs in flight. This has happened every time I fly. I land it and then after about 10secs it flies...
Forum: 3DFoamy Support
01-05-2006, 12:00 PM
Replies: 14
Views: 1,892
Posted By Ksubram

RE: SuperCap CG Problem

SuperKaos,
Took your advise and removed all the lead weights in front and still flew great. Off course I still had give some down elevator on the inverted flight. Maybe today I will move the...
Forum: 3DFoamy Support
01-03-2006, 02:58 PM
Replies: 14
Views: 1,892
Posted By Ksubram

RE: SuperCap CG Problem

SuperKaos,
Thanks for the reply.

I managed to balance it with the lead weights at the nose. It flew quite well except that on an inverted flight I had to give a lot of down elevator. I have...
Showing results 1 to 25 of 44
 
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