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Thunder Power RC . Mikado Modellhubschrauber . Futaba-RC

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Gasser Model RC Helicopters > zimmerman muffler
 
 
Billme
Elite Veteran
Location: MS

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Come on Raja do the DB test on the V4...You said you didn't see a difference between the V3 or the 4...I beg to differ...The V4 is 180' difference even in sound compared to the V3...
07-20-2009 11:36 PM
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TaleGunner
Elite Veteran
Location: Deer Park WA

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I too found the v3 to be louder than the v4 and my wife says I need a hearing aid

CRASH! GLUE! REPEAT!
07-20-2009 11:58 PM
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rc3po
Heliman
Location: Land of Corruption - Illinois

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Rear Mount..

Anyone need a rear mount Zimmerman New and unmounted?
Wide mount version...
07-22-2009 07:45 PM
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rbort
Elite Veteran
Location: Franklin, MA - U.S.A.

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I did the test on the v4, numbers shown above Bill

If you want to compare, someone send me a v3 and I'll redo the test for you guys while I still have the v4 here.

v4 still for sale by the way, anyone want it let me know.

-=>Raja.

1005 Gasser, G26 3DMax++, 2205+ flights
Spectra-g, G26 3DMax, 865+ flights
07-22-2009 08:14 PM
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Billme
Elite Veteran
Location: MS

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How much is this Zimmerman that you are using now?
07-22-2009 08:26 PM
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rbort
Elite Veteran
Location: Franklin, MA - U.S.A.

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Zimmerman

Retail is $169 Bill...

-=>Raja.

1005 Gasser, G26 3DMax++, 2205+ flights
Spectra-g, G26 3DMax, 865+ flights
07-22-2009 08:28 PM
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Billme
Elite Veteran
Location: MS

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How much was the rear mount?
07-22-2009 08:50 PM
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imnxtc
Veteran
Location: Dawson

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rbort

Hi Bill, good question to rbort relative to the cost of the rear mount - that is the pne I am refering to here (which seemed to skip his reference):

Quote 
So for all practicle purposes, a 2 to 3 db difference is not too relevant. But the difference to your pocket book would be much more noticeable, as would the differences in failure rates.

Now we will see how long he can fly with the Zimmer can muffler before it fractures at some joint also.
07-22-2009 09:06 PM
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imnxtc
Veteran
Location: Dawson

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rbort

How many flights do you have on your Zimmy can muffler now?

As you may remember I have over 200 on my old original Century V1 and no issues.

Being that I do not believe in changing something that works for me, unless something forces me to, I am almost hoping for something to crack on the V1, so I have an excuse to try their V4
07-22-2009 09:10 PM
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rbort
Elite Veteran
Location: Franklin, MA - U.S.A.

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Flights

I have 33 flights on the side mount zimmerman now imnxtc. So far so good no cracks and no leaks so I'm happy for that.

The rear mount zimmerman doesn't work well for the Spectra so price is irrelevant. I did state before that that and the hatori are the expensive ones, but you missed that.

The side mount zimmerman is much more affordable compared to those two. The v4 is the cheapest of them all, but again if it doesn't stay tight and / or keeps leaking every once in a while then its not worth it for me even if it was 1/2 the cost.

I did also fly the Century for many flights, much more than 200, but I had to put up with leaks and during that time I tried the regular gasket, a copper gasket, a copper gasket sandwiched by regular gaskets, red rtv, and all sealed for a while but eventually sprung a leak which was annoying.

The zimmerman I just bolted it on like you expect to with the gasket from day 1 and it hasn't leaked.

Not saying its perfect I'm hoping it is as I don't have enough mileage on it to prove it yet. It may crack sure, hope not, if it does I'll report it here as I'm all about the good and the bad no matter what it is, compared to saying "only the good" to mask the bad, not my style.

If you want to try a V4, I got one here for you. Just shoot me a PM.

-=>Raja.

1005 Gasser, G26 3DMax++, 2205+ flights
Spectra-g, G26 3DMax, 865+ flights
07-23-2009 02:02 AM
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jrockstuart
Elite Veteran
Location: Allen, Texas

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Quote 
The rear mount zimmerman doesn't work well for the Spectra so price is irrelevant.

The rear mount Zimmerman looks pretty nice, however, and perhaps with some modifications it could eventually evolve into a good silencing system.

MinAir Spectra-G
Trex 450Pro V-bar /Scorpion /JR
Wally Motors/New England Heli/DL Canopies
07-23-2009 04:13 AM
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rc3po
Heliman
Location: Land of Corruption - Illinois

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I think your right jrock. I just wish I had more time to work on the installation of my rear mount. A very Sharp exhaust tho...
07-23-2009 04:17 AM
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gorn
Elite Veteran
Location: Western Australia

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I have about 6 gallons total on my side mount Zimmerman.
As Raja said, never comes loose.
No leaks/cracks at all.
Mine has heat discoloration right over the exhaust port, but thats because my last motors top end wasnt happy and went pop lol.
Must have been a lotta heat comin out

If you bling it, they will come :D
07-23-2009 05:03 AM
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Gasser Model RC Helicopters > zimmerman muffler
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