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RE: SYSSA 30CC GAS MADE IN USA - 12/24/2011 1:19 PM   
rc34074


 

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Status: offline 		You have found a real interesting idea there- Apparently it keeps the muffler from resonating. There may be other coatings that would do that too. It's a great idea.

Ed

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RE: SYSSA 30CC GAS MADE IN USA - 12/24/2011 3:46 PM   
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RE: SYSSA 30CC GAS MADE IN USA - 12/24/2011 5:16 PM   
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Merry Christmas to everyone

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RE: SYSSA 30CC GAS MADE IN USA - 12/25/2011 1:38 AM   
Syssa Pilot


 

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MERRY CHRISTMAS,  Dave



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RE: SYSSA 30CC GAS MADE IN USA - 12/25/2011 3:04 AM   
captinjohn


 

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RE: SYSSA 30CC GAS MADE IN USA - 12/25/2011 6:03 AM  1 votes
MTK



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quote:

ORIGINAL: rc34074

Hmmm - that muffler looks sick - maybe it has some kind of disease? RTV disease

What would happen if you painted with high temperature paint? Maybe it wouldn't look so ugly

Sorry- - but if you have the muffler enclosed that would be ok I guess. Do tyou have any before and after DBA measurements? Or info from the guy who told you avout it on actual sound level measurements?

Thanks

Ed

Ed,

This is a reasonable technique that the guy described. If you want to try it but want better looks, try putting fiberglass on the silicone rubber and work the silicone through the glass gently with your finger. It won't take long to get the job done. I've done that before on aluminum pipes and it helps a little. It's also a good way to do a minor repair on the exhaust system


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RE: SYSSA 30CC GAS MADE IN USA - 12/26/2011 1:37 AM   
rc34074


 

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quote:

ORIGINAL: MTK


quote:

ORIGINAL: rc34074

Hmmm - that muffler looks sick - maybe it has some kind of disease? RTV disease

What would happen if you painted with high temperature paint? Maybe it wouldn't look so ugly

Sorry- - but if you have the muffler enclosed that would be ok I guess. Do tyou have any before and after DBA measurements? Or info from the guy who told you avout it on actual sound level measurements?

Thanks

Ed

Ed,

This is a reasonable technique that the guy described. If you want to try it but want better looks, try putting fiberglass on the silicone rubber and work the silicone through the glass gently with your finger. It won't take long to get the job done. I've done that before on aluminum pipes and it helps a little. It's also a good way to do a minor repair on the exhaust system



What I said was it looks lousy - never said it didn't work. But I did ask if he had dba data - that will show how effective/reasonable this technique actually is.

Also in my next message I also said I thought it was a great idea - but I also wonder if there isn't another way of getting the same result without the appearance of the red RTV. Your technique will still have the same basic appearance as his method, except yours will possibly eliminate the use of acetone which I don't want to use.

Ed

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RE: SYSSA 30CC GAS MADE IN USA - 12/26/2011 11:00 PM   
hyflyer9


 

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Status: offline 		Just in case some are interested in installing the Syssa 30cc in the ESM P39 check out the photo's of my engine install .
The install is not yet complete but is just some minor adjustments is all plus linkage .


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RE: SYSSA 30CC GAS MADE IN USA - 12/28/2011 9:56 PM   
Joystick TX



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Status: offline 		hyflyer9 - I always liked the P-39. When I was a kid I never realized the engine was behind the pilot and the prop shaft was between his legs. Now I realize what a scary design that was.

I like the one they have in San Antonio, it was one they used for target practice. The pilot sat in an armored tub and his "buddies" would shoot at him with aluminum "frangible disc" bullets. Hope they gave him plenty of  "hazardous duty pay."

I read the posts made by Dweeb7944 on his ESM P-39 Airacobra (not Aircobra) Build Log & Review? Lots of lessons learned there. There were a lot of problems, some self-inflicted, but at least the plane flew okay on a 30cc gas engine. Hope your build goes better.

Looks like the Syssa is a way better fit than the DLE-30. Glad to see some fins sticking out into the airstream. Are you planning to put in some duct work to keep the engine crankcase cool?

 


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RE: SYSSA 30CC GAS MADE IN USA - 12/28/2011 10:38 PM   
Joystick TX



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Status: offline 		Yesterday, had some more "frozen finger" flights. My engine was not running good at all. I could not get the low end tuned to save my life. After two dead sticks, I brought her home.

I suspected it was a carb problem, so I did the screen replacement, that did not help, so I replaced the pump gasket. The kit did not have the black rubber one. The guy at the mower shop said they don't include that one in the carb kit anymore, so I had to go with the blue one. Our club tech site guy's carb info says this one does not pump as well as the black one.

Did more "frozen finger" flying early this morning. Temp was 38 degrees, with some wind gusts over 20 mph, not that the engine cared about the wind, but it was not fun adjusting the carb. I'm sick and tired of this bitter cold winter weather. I preset the adjustments per the manual and it dialed right in with no problems. Got in a few good flights with no more dead sticks.




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RE: SYSSA 30CC GAS MADE IN USA - 12/28/2011 10:42 PM   
hyflyer9


 

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Yes i am planning on adding some more cooling for the crank for sure the cowl does have some built in ports that i am planning on cutting out to improve the air flow .


quote:

ORIGINAL: Joystick TX

hyflyer9 - I always liked the P-39. When I was a kid I never realized the engine was behind the pilot and the prop shaft was between his legs. Now I realize what a scary design that was.

I like the one they have in San Antonio, it was one they used for target practice. The pilot sat in an armored tub and his "buddies" would shoot at him with aluminum "frangible disc" bullets. Hope they gave him plenty of  "hazardous duty pay."

I read the posts made by Dweeb7944 on his ESM P-39 Airacobra (not Aircobra) Build Log & Review? Lots of lessons learned there. There were a lot of problems, some self-inflicted, but at least the plane flew okay on a 30cc gas engine. Hope your build goes better.

Looks like the Syssa is a way better fit than the DLE-30. Glad to see some fins sticking out into the airstream. Are you planning to put in some duct work to keep the engine crankcase cool?

 



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RE: SYSSA 30CC GAS MADE IN USA - 12/29/2011 11:52 AM   
NJRCFLYER2


 

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Status: offline 		From time-to-time, Tech-Aero Designs Ultra IBEC's may be temporarily out of stock  at Syssa.  If anyone needs an Ultra IBEC, they are always in stock and available at the Tech-Aero Designs website. 

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RE: SYSSA 30CC GAS MADE IN USA - 12/30/2011 4:58 AM   
Beej


 

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Status: offline 		Hi Everybody,

Happily Santa dropped an extreme flight extra 78" down the chimney so it looks as though it's time to order another SAP 180. I'm thinking ES30g composite pipe as well since the plane has tunnel, but I need advice on the header. If anyone running this set up could suggest the appropriate header then I would really appreciate it!

Happy New Year!

Beej

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RE: SYSSA 30CC GAS MADE IN USA - 12/30/2011 7:37 AM   
NJRCFLYER2


 

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A Macs header for an OS 140 works on the SAP180. You only have to make a slight adjustment to the two bolt holes in the header to fit. 



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RE: SYSSA 30CC GAS MADE IN USA - 12/30/2011 12:06 PM   
Joystick TX



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quote:

ORIGINAL: Beej

Hi Everybody,

Happily Santa dropped an extreme flight extra 78" down the chimney so it looks as though it's time to order another SAP 180. I'm thinking ES30g composite pipe as well since the plane has tunnel, but I need advice on the header. If anyone running this set up could suggest the appropriate header then I would really appreciate it!

Happy New Year!

Beej


Great Christmas present. That will be a great combination.

Have you looked at the pattern flier thread "RE: SAP 180 (Syssa Performance)"? They have a lot of great info on headers. I like the soft mount info too; one of these days I'm going to put one on my plane.


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RE: SYSSA 30CC GAS MADE IN USA - 12/30/2011 3:47 PM   
DamonR



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Status: offline 		Hey guys, check out my latest Syssa 30cc installation. Hope to maiden this before year end and fly it at the Frozen Finger Fly In on the first.



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RE: SYSSA 30CC GAS MADE IN USA - 12/31/2011 12:02 AM   
Beej


 

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Status: offline 		Hi Ed,

Thanks - found it on the web site. Dont have the new engine yet so hard for me to check the geometry - do you have any information as to what angle header I will need for the EF Extra install?

Hi Steve,

Thank you for the pointer to the pattern forum - lot's of information in there!
cheers,

Beej

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RE: SYSSA 30CC GAS MADE IN USA - 12/31/2011 2:48 AM   
rc34074


 

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ORIGINAL: hyflyer9

That RTV coating on the myffler trick does work very well for sure just make sure that you clean the muffler with assitone or laqour thinner very well and do not handle it after it has been cleaned as the oils from your fingers or hands will make the RTV not stick very good to the muffler see attached photo of what it should look like after it has been done and this engine has been flown in about 20 flights plus about an Hour in the test stand I guarantee it you will notice the difference . The man who told me about this was at an imaac event last summer and they checked all aircraft for sound levels and his was the quietest for the whole event .
Please pay no attention to the date of the photo's as i just haven't bothered to reset the date and time on my camera



I found this silicone tape by searching "self fusing silicone tape" on Google. What do you guys think? Looks like it would be another way to apply silicone and doesn't need much muffler cleaning. The tape sticks to itself, but doesn't seem to have any adhesive to stick it to anything else, so you would need to do overlapping layers somehow.

"Rescue Tape is a self-fusing silicone repair tape with nearly infinite uses for landscapers, arborists and homeowners. First used by the US Military, this is the most versatile and easy-to-use emergency repair product available. You can repair leaks on plumbing and hoses in a flash, use to insulate electrical wiring or as shrink wrap, wrap tool handles, and much more. Features include 950 PSI tensile strength, insulates 8,000 Volts per layer, withstands heat up to 500° F (260° C), remains flexible to -85° F! (-60° C). Rescue Tape creates a permanent air-tight, water-tight seal in seconds while resisting fuel, oils, acids, solvents, salt water, road salt and UV Rays. Roll Size: 1" x 12'.Colors (please specify when ordering) Red, Yellow, Black and ClearTo learn more about Self-Fusing Silicone RESCUE TAPE, please press the "Play" button in the window below. NOTE: Video is approximately 4-1/2 minutes long. "

Ed

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RE: SYSSA 30CC GAS MADE IN USA - 12/31/2011 3:05 AM   
hyflyer9


 

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Status: offline 		like I mentioned in a later post that muffler had been put threw the ringer and yet it still performed as is and that muffler has never come loose at all not even a little and i am sure that with some extra care it can be coated with the RTV eavenly to make it look much better . Also keep in mind that black paint tends to hold the heat longer .

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RE: SYSSA 30CC GAS MADE IN USA - 12/31/2011 12:58 PM   
rc34074


 

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quote:

ORIGINAL: hyflyer9

like I mentioned in a later post that muffler had been put threw the ringer and yet it still performed as is and that muffler has never come loose at all not even a little and i am sure that with some extra care it can be coated with the RTV eavenly to make it look much better . Also keep in mind that black paint tends to hold the heat longer .


RTV is silicone - the tape is the same material as the rtv you used. It's available in "Red, Yellow, Black and Clear" so if you don't like black use another color. But the color makes very little effective difference in how fast the muffler gives off heat. We could have a fun debate about whether black is better or worse but I don't think it makes much difference which color the material is except for appearance. I think the tape is a good alternate way to do this but if you like the red rtv that's ok with me.

Another method that might work to reduce resonance is to add weld beads to the muffler to stiifen it a little.

Do you have any before/after dba data to share yet?

Ed

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RE: SYSSA 30CC GAS MADE IN USA - 12/31/2011 7:32 PM   
hyflyer9


 

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Status: offline 		No Data as of yet Guys I am still waiting on that club member to get back to me . He and his wife both go to floriday for the winter every year and i am just guessing but he is probably out having to much fun flying his planes .

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RE: SYSSA 30CC GAS MADE IN USA - 12/31/2011 7:43 PM   
hyflyer9


 

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Status: offline 		the only reason i mentioed the black paint is because some dont like the thaught of having to use thinner or asitone to clean the muffler first I would rather have it quieter and not vibrate than loud and vibrate so much that it keeps coming loose as i have found from what i have been reading in this forum . I put the idea out there for you all to try if you want it's up to you . as for my self i will be using the High heat red RTV for sure and i am also thinking of the liquid brush on electrical tape but i will have to do a heat test with it first .
quote:

ORIGINAL: rc34074


quote:

ORIGINAL: hyflyer9

like I mentioned in a later post that muffler had been put threw the ringer and yet it still performed as is and that muffler has never come loose at all not even a little and i am sure that with some extra care it can be coated with the RTV eavenly to make it look much better . Also keep in mind that black paint tends to hold the heat longer .


RTV is silicone - the tape is the same material as the rtv you used. It's available in "Red, Yellow, Black and Clear" so if you don't like black use another color. But the color makes very little effective difference in how fast the muffler gives off heat. We could have a fun debate about whether black is better or worse but I don't think it makes much difference which color the material is except for appearance. I think the tape is a good alternate way to do this but if you like the red rtv that's ok with me.

Another method that might work to reduce resonance is to add weld beads to the muffler to stiifen it a little.

Do you have any before/after dba data to share yet?

Ed



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RE: SYSSA 30CC GAS MADE IN USA - 12/31/2011 11:54 PM   
Syssa Pilot


 

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Status: offline 		HAPPY NEW YEAR   Dave

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RE: SYSSA 30CC GAS MADE IN USA - 1/1/2012 12:07 AM   
Slow and Steady


 

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Status: offline 		A flyer with many years of experience suggested Permatex pipe joint compound for the bolts. I think it is Product number 51 H. My Syssa is being repaired, but I will likely try the Permatex when I get it back and post the results.

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RE: SYSSA 30CC GAS MADE IN USA - 1/1/2012 12:08 AM   
brockettman


 

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Status: offline 		Thanks Dave!

Happy New Year to all... May 2012 be a prosperous year... (and real good flying too!)

Ben

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