Firey how did the exhaust go for the Christie generator

Submitted: Monday, Apr 28, 2003 at 09:58
ThreadID: 4610 Views:2202 Replies:4 FollowUps:4
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Hi Firey,

Did you get to trial the exhaust for the 55 amp Les Christie generator? If so how did it go? Any chance of telling us what it looks like, can I make one up or just best to buy one???

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Reply By: firey(Brisbane) - Tuesday, Apr 29, 2003 at 13:34

Tuesday, Apr 29, 2003 at 13:34
Hi Ray, I pick up the Christie set this weekend for trial. I had to cancel the 25,26,27 weekend due a bucks night that had to be attended. I will let you know the details on Sunday or Monday night through this site. Will be setting up a monitor to check battery volts and frige temps as well.
AnswerID: 18676

Follow Up By: Ray - Wednesday, Apr 30, 2003 at 08:45

Wednesday, Apr 30, 2003 at 08:45
Thanks, have a good trip.
FollowupID: 11728

Reply By: Darrin - Friday, May 02, 2003 at 14:31

Friday, May 02, 2003 at 14:31
I will be interested in the results as I took my 55 amp model to a exhaust shop . What the guy did was start it up give some revs and put a rag over the exhaust to see if all the noise was coming from the exhaust system or if it was mainly engine noise. In his opinion it is mainly engine noise as the difference was hardly noticable with the exhaust outlet covered.
AnswerID: 18977

Follow Up By: Member - Rohan K - Friday, May 02, 2003 at 16:39

Friday, May 02, 2003 at 16:39
I heard the Honda 10i (?) running at the (blah, blah) show at Rosehill in Sydney last week. Was standing not more than 3 feet from it and coundn't hear it running over the rain. I had to crouch beside it to hear it. Sounds like a cat purring.Be good, or be quick.
Rohan (Sydney)
FollowupID: 11930

Follow Up By: Darrin - Sunday, May 04, 2003 at 17:54

Sunday, May 04, 2003 at 17:54
You will find that they are quiet due to the entire engine being surrounded and insulated
FollowupID: 11994

Reply By: paul - Sunday, May 04, 2003 at 17:17

Sunday, May 04, 2003 at 17:17
really do suggest you extend the exhaust. i went to a mitre 10 shop, bought a plumbing 90 degree copper bent bit with flanges either end and about 8 inches of straight pipe. I have a plumber mate braze on the 90 degree bend and i just stick on the down pipe when i need to - into a loose pile of dirt or sand depends where i am. it makes a significant difference, and all up cost about $5. it will always be noise, but it does make a significant difference.
AnswerID: 19099

Reply By: firey(Brisbane) - Tuesday, May 06, 2003 at 20:10

Tuesday, May 06, 2003 at 20:10
Hi Ray, I have teseted the 55amp set and when i went to pick it up i was told that there is a fitting to go on the exhaust that takes the muffler and the one i had came straight out of a box so i didnt get to test the exhaust. I did run the set for up to 4 hrs over the weekend to see how it goes and although the noise is rated at 75 dec @ 7metres for the 55amp model and 73 dec @ 7m for the 100 amp model i found that while you only need to run the set at 2/3rds revs to obtain a charge, covering the motor with a heshian bag held a lot of the noise down. Even without the bag over it we were able to hold a normal conversation less than 4 metres from were it was running and i didnt get anybody irate that were camped around us. I know it isnt as quiet as the honda eu10i but you dont have to run this set for 5 or more hours to get a sufficient charge as we were running it when we cooked brekky and then looked it away to enjoy the rest of the day. I hope some of this thread helps you make an infomed decision.I have other stats on the motor if anyone is interested..

AnswerID: 19290

Follow Up By: Ray - Thursday, May 08, 2003 at 16:45

Thursday, May 08, 2003 at 16:45
Thanks Firey,

Will keep an eye on the forum to see if anyone does do some tests on the exhaust. It's a bit expensive to buy and find it doesn't work.
FollowupID: 12231

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