3000W Chinese Gensets Info.
professor95 wrote: EDIT ADDED 45/5/2013- When this thread started in March of 2005, I never expected to see it survive this long or amass the quantity of information that has been shared here. In...
Forum Discussion
(Read posting from 8/9/07 @ 2:30 p.m. for full text.)
This one sort of caught in my craw.....
I believe I have the same RS meter.
I do have a Champion.
I have NEVER gotten a reading as loud as you report under almost identical measurement conditions.
The fact that you say the spark arrestor made the unit quiter disturbs me. It should make no difference. In fact, according to my testing, the muffler is excellent in reducing sound and little if any benefit is gained by adding additional silencing to the exhaust.
Please try this before you give up: Take an old towel, fold it to 5-6 layers and gently hold it over the muffler outlet (be quick, it gets very hot!). There should be NO significant change in sound level. If there is, I suspect you may have a defective muffler. I know this sounds remote, but it is possible. The muffler is a three chamber design much like an auto muffler. In the manufacturing process if "something" was left out or improperly welded/pressed, the muffler would not function as designed. Again, a long shot but entirely possible.
If you conclude the muffler may be defective, call CPE and talk to Paul Cole. Most likely, he will be aware of the problem since he does read the forum.
Once more, your generator should not be as loud as your measurements.
That's great you have the same meter so you understand the settings and perhaps quality (?) of the unit. Do you think it is a reasonably consistent meter? As I mentioned it was recommended on several home theater forums several years ago. I was able to get the fan silicone job done tonight and hope to try your recommendations on the muffler on Monday/Tues as I'll be pretty busy until then. If I tap on the muffler case or tilt the genset up/down I don't hear any loose baffles but I suppose there still could be. Thanks for the recommendations and I'll report back ASAP.
This one sort of caught in my craw.....
I believe I have the same RS meter.
I do have a Champion.
I have NEVER gotten a reading as loud as you report under almost identical measurement conditions.
The fact that you say the spark arrestor made the unit quiter disturbs me. It should make no difference. In fact, according to my testing, the muffler is excellent in reducing sound and little if any benefit is gained by adding additional silencing to the exhaust.
Please try this before you give up: Take an old towel, fold it to 5-6 layers and gently hold it over the muffler outlet (be quick, it gets very hot!). There should be NO significant change in sound level. If there is, I suspect you may have a defective muffler. I know this sounds remote, but it is possible. The muffler is a three chamber design much like an auto muffler. In the manufacturing process if "something" was left out or improperly welded/pressed, the muffler would not function as designed. Again, a long shot but entirely possible.
If you conclude the muffler may be defective, call CPE and talk to Paul Cole. Most likely, he will be aware of the problem since he does read the forum.
Once more, your generator should not be as loud as your measurements.
That's great you have the same meter so you understand the settings and perhaps quality (?) of the unit. Do you think it is a reasonably consistent meter? As I mentioned it was recommended on several home theater forums several years ago. I was able to get the fan silicone job done tonight and hope to try your recommendations on the muffler on Monday/Tues as I'll be pretty busy until then. If I tap on the muffler case or tilt the genset up/down I don't hear any loose baffles but I suppose there still could be. Thanks for the recommendations and I'll report back ASAP.
