Espritmodel.com Telemetry Radio
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Old Oct 10, 2006, 09:40 AM
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Wanted
O.S. 25 muffler or engine w/muffler

Hi all, I recently had my muffler fall off in mid-flight and vanish into a cornfield, so I'm looking for a muffler for an old OS 25. If anyone has an engine with the muffler I would be interested in that too. Please help! Thanks

Mark
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Old Oct 10, 2006, 09:52 AM
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I have some extra mufflers but do you know how I can tell if it fits a 25?
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Old Oct 10, 2006, 10:06 AM
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Here are the specs for the OS 25 FP muffler

Overall length: 103mm (4.06")
center to center of mounting holes: 32mm (1.26")
Rectangular enhaust port: 6mm (.24") x 26mm (.1.03")

Do you have any pics to post so I could see if there is any kind of model numbers on the mufflers? Thanks

Mark
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Old Oct 10, 2006, 10:15 AM
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I will take this info and do some digging. If I have one tou can have it for postage.
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Old Oct 10, 2006, 10:26 AM
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Sounds like a deal. Thanks!
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Old Oct 10, 2006, 12:21 PM
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Sorry dude but this is WAY too big. Must be a 40 and up muffler. I have never owned a 25 so I don't really have an idea how small they are. Hope someone can help.
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Old Oct 10, 2006, 12:50 PM
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Thanks for checking
Anyone Else??
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Old Oct 10, 2006, 05:12 PM
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Think the 35FP muffler would fit? I got a whole engine/muffler for $25 + Ship
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Old Oct 10, 2006, 05:41 PM
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If you don't find them any where else I do have a couple like new that I flew my twinstar with before I made a bad landing in the cornfield.
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Old Oct 10, 2006, 05:50 PM
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Quote:
Originally Posted by Maineiac63
If you don't find them any where else I do have a couple like new that I flew my twinstar with before I made a bad landing in the cornfield.
I'd be interested in at least one of them for now. Gimme some details. Do they run, is everything there and together? Price? Pics?
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Old Oct 10, 2006, 06:32 PM
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OS Max 25 FP engine

Let's just say they would fit right in your bird like a new one would, with everything altogether. I would expect you to pay half the price of a new one plus postage for my trouble. If you want pictures I can make it happen but I would have to remove it from the wing mounts to take some shots. If you are serious then post same. Here are a couple of pictures of the engines in the wing that's been in the back of the hanger for maybe a year , however even though the thing is dusty and spider webs the engines turn over just fine. I will send them both for $80 and I'll pay postage. These engines may have an hour run time all together so they are in great shape. Notice the props are still intact but the wing is damaged. So I just parked the Twinstar to be repaired "someday". Probably won't happen so I will sell the engines and save the radio gear if you want the engines.
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Last edited by Maineiac63; Oct 10, 2006 at 07:00 PM. Reason: add pictures
Old Oct 10, 2006, 07:14 PM
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PM sent to you Mainiac63
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Old Oct 12, 2006, 07:11 AM
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If all you want is just a muffler then since I have one extra I will send it for free. Just PM me your snail mail addy.
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Old Oct 12, 2006, 03:36 PM
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OK Mark6275 I will send a muffler to you via snail mail tomorrow. It is exactly the same muffler that's on the two OS Max 25 FP engines. I hope you have the two bolts that mounts it to the engine because I don't have them unless I take them out of the engines on the Twinstar wing which is not the best idea.
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Old Oct 16, 2006, 07:21 PM
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Mark PMed me to tell me that he recieved the muffler that I sent him so I guess this thread is history. Lucky that I had the exact muffler sitting on the shelf that I had no use for.
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