---------------------------------------------------------- Europa-List Digest Archive --- Total Messages Posted Tue 06/06/23: 3 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 11:35 AM - Re: Leaking cylinder head valve cover (Matt Dovey) 2. 11:46 AM - Re: Re: Leaking cylinder head valve cover (trevord) 3. 09:14 PM - Re: the Obsidian Files - So Much Noise!!! (Area-51) ________________________________ Message 1 _____________________________________ Time: 11:35:37 AM PST US Subject: Europa-List: Re: Leaking cylinder head valve cover From: "Matt Dovey" If its a Rotax, why not buy a rocker cover O ring from Rotax!! It will take the guess work out of it. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=510920#510920 ________________________________ Message 2 _____________________________________ Time: 11:46:50 AM PST US Subject: RE: Europa-List: Re: Leaking cylinder head valve cover From: trevord SWYgeW91IGRvIHRoZSB2YWx2ZSBjb2xsZXQgdXBncmFkZSwgdGhlIGtpdCBpbmNsdWRlcyBuZXcg cm9ja2VyIGNvdmVyIG8tcmluZyBzZWFscyAuLlJlZ2FyZHMgVHJldm9yU2VudCBmcm9tIG15IEdh bGF4eQotLS0tLS0tLSBPcmlnaW5hbCBtZXNzYWdlIC0tLS0tLS0tRnJvbTogTWF0dCBEb3ZleSA8 bWF0dGRvdmV5QGhvdG1haWwuY28udWs+IERhdGU6IDcvMDYvMjMgIDY6MzkgYW0gIChHTVQrMTI6 MDApIFRvOiBldXJvcGEtbGlzdEBtYXRyb25pY3MuY29tIFN1YmplY3Q6IEV1cm9wYS1MaXN0OiBS ZTogTGVha2luZyBjeWxpbmRlciBoZWFkIHZhbHZlIGNvdmVyIC0tPiBFdXJvcGEtTGlzdCBtZXNz YWdlIHBvc3RlZCBieTogIk1hdHQgRG92ZXkiIDxtYXR0ZG92ZXlAaG90bWFpbC5jby51az5JZiBp dHMgYSBSb3RheCwgd2h5IG5vdCBidXkgYSByb2NrZXIgY292ZXIgTyByaW5nIGZyb20gUm90YXgh ISBJdCB3aWxsIHRha2UgdGhlIGd1ZXNzIHdvcmsgb3V0IG9mIGl0LlJlYWQgdGhpcyB0b3BpYyBv bmxpbmUgaGVyZTpodHRwOi8vZm9ydW1zLm1hdHJvbmljcy5jb20vdmlld3RvcGljLnBocD9wPTUx MDkyMCM1MTA5MjBfLT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PV8tPcKgwqDCoMKgwqDCoMKgwqDCoCAtIFRoZSBFdXJvcGEtTGlzdCBF bWFpbCBGb3J1bSAtXy09IFVzZSB0aGUgTWF0cm9uaWNzIExpc3QgRmVhdHVyZXMgTmF2aWdhdG9y IHRvIGJyb3dzZV8tPSB0aGUgbWFueSBMaXN0IHV0aWxpdGllcyBzdWNoIGFzIExpc3QgVW4vU3Vi c2NyaXB0aW9uLF8tPSBBcmNoaXZlIFNlYXJjaCAmIERvd25sb2FkLCA3LURheSBCcm93c2UsIENo YXQsIEZBUSxfLT0gUGhvdG9zaGFyZSwgYW5kIG11Y2ggbXVjaCBtb3JlOl8tPV8tPcKgwqAgLS0+ IGh0dHA6Ly93d3cubWF0cm9uaWNzLmNvbS9OYXZpZ2F0b3I/RXVyb3BhLUxpc3RfLT1fLT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PV8t PcKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgLSBNQVRST05JQ1MgV0VCIEZPUlVNUyAtXy09 IFNhbWUgZ3JlYXQgY29udGVudCBhbHNvIGF2YWlsYWJsZSB2aWEgdGhlIFdlYiBGb3J1bXMhXy09 Xy09wqDCoCAtLT4gaHR0cDovL2ZvcnVtcy5tYXRyb25pY3MuY29tXy09Xy09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT1fLT3CoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoCAtIE5FVyBNQVRST05JQ1MgTElTVCBXSUtJIC1fLT0gQWRkIHNv bWUgaW5mbyB0byB0aGUgTWF0cm9uaWNzIEVtYWlsIExpc3QgV2lraSFfLT3CoMKgIC0tPiBodHRw Oi8vd2lraS5tYXRyb25pY3MuY29tXy09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT1fLT3CoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgLSBM aXN0IENvbnRyaWJ1dGlvbiBXZWIgU2l0ZSAtXy09wqAgVGhhbmsgeW91IGZvciB5b3VyIGdlbmVy b3VzIHN1cHBvcnQhXy09wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoCAtTWF0dCBEcmFsbGUsIExpc3QgQWRtaW4uXy09wqDCoCAtLT4gaHR0 cHM6Ly9tYXRyb25pY3MuY29tL2NvbnRyaWJ1dGlvbl8tPT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 ________________________________ Message 3 _____________________________________ Time: 09:14:12 PM PST US Subject: Europa-List: Re: the Obsidian Files - So Much Noise!!! From: "Area-51" Its been raining here again and the conditions are IMC... so its been a great opportunity to sit for days on end at the terminal and create more fluff... lots of fluff... Among all the fluff being created the airbox got some attention. More bits got printed up; tuned and honed to sufficient and efficient levels; took a few goes but it got there in the end with great results. The profile of the baffle box was amended along with a revised version of the extension tube; all optimised for printing on the Prusa which is an absolute beast with its custom Bontech Mosquito print head that was specially ordered and installed by the vendor. After discovering the wrong side of the air filter element had been used as the dimensional a 6.0mm insert was required; I screwed up; it happens; a lot. Carbon rods were used for doweling, and with the whole lot ready it all press fitted together perfectly as designed. With a smear of flex sealant it was a pressing moment... ... Then the Durabloc kit was grabbed for some precision shaping of the factory airbox... After a productive session shaping the baffle insert was a great fit and ready for sealing with some West System epoxy. Next task required will be printing up a "Special Tool" to retract the baffle extension tubes to allow baffle box removal... We like Special Tools... Some more acoustic assessments were also run which showed that the revised baffle assembly attenuates specific transitional frequencies to 27db, which is not as good as the original scoping design which achieved 47db, however the broadband response of the revised baffle box is wider than the scoping version... Alternate concepts were quickly modeled up and also tried; which is another story for another episode. And that's the end of this episode... The next one we will see what kind of real world results are observed from the commander's seat... Will it work? or will it all be an extravagant failure???? 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