X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=LuPsNUVc c=1 sm=1 tr=0 a=Q+RT7pemMA8jd7xFDSW77A==:117 a=55z/sxGcUIPVrBMYBb4HRw==:17 a=x7bEGLp0ZPQA:10 a=_Z_nqdSeG58A:10 a=sTwFKg_x9MkA:10 a=DAwyPP_o2Byb1YXLmDAA:9 a=Ia-xEzejAAAA:8 a=pGLkceISAAAA:8 a=I7eTKaMFrQuAsZ1wHhgA:9 a=QEXdDO2ut3YA:10 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=THZLPQUVQqOht51VIz0A:9 a=9QpgXRej1--NheF5:21 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=Urk15JJjZg1Xo0ryW_k8:22 From: " 12348ung@gmail.com" Received: from mail-pf1-f176.google.com ([209.85.210.176] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 259598 for flyrotary@lancaironline.net; Wed, 20 May 2020 17:58:09 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.210.176; envelope-from=12348ung@gmail.com Received: by mail-pf1-f176.google.com with SMTP id e11so1289321pfn.3 for ; Wed, 20 May 2020 14:58:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:references:in-reply-to:subject:date:message-id:mime-version :thread-index:content-language; bh=5YNpSKhAFkw/vV2+DqTRe5vpgtZRQ0QmsMUHla1XE3c=; b=s4lqrjR5razhzSieGbVHKEUC8fiJ5PrZSnL0T6JY2aVmGy2mhJNlHVUqbKqauIdtIY 0qrt/huBGMMrosdUTGyjbEKoSYqBONjHQ1IKTsgo3FcCG01tV2hcuDSAjALhT2e1po6/ gP1WfSN/vZB1DKI7bzlqGkk61QONSIFeQu2oV3UUvoHPh/m+hWS7kyIXZiBNE4tcVt4r VGZdXZftGvNEvZbCPw3eZOitBkJ7jXz5GoW6k6g1Gn3sZLMb0yslHq9vwe1UX8Oh19s1 jKFg7oWvQ9Wakea0n4JTwnglBlbE7Y1ytnNTa3IcmcdHuBvrm8QPZPO9SWjrULNSQC/j eNrw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:references:in-reply-to:subject:date :message-id:mime-version:thread-index:content-language; bh=5YNpSKhAFkw/vV2+DqTRe5vpgtZRQ0QmsMUHla1XE3c=; b=XKC7A7eyQlDV/3CiyGoC00CY2qYko8KYl9DNuVg54ftrSmB5pYMD+gq1Ho2vFVejdO KwID86WGrOedvSFsATVvAIBeZrflAMpjQ7/ZRvOHD/0PGsC6XqhEAje/mWT+TbK+NOHM mXoWj+u2JiF/KGaguoA70lyp9cVpAzInWqQKhE1qrAxzReJbE4zWcC5pwWhqvm7vaS+Q zUzelPIECuePix3JumblKUyyXbe0qyGtZDgEj/Z93nfubRCQvYUezObmlw+uwEJFT6g1 ESZTYHTB5W7KBdFB36FaTJyIXtdWbiWEU6bt6ur+nqWOsQyefohTyu+iLX5u4xM2vtJ7 EYNg== X-Gm-Message-State: AOAM530BpKaR3qzG5gRH9vqNyyHbudKXhPeZUlfXOK+rPF5fbU38aeag uY+V1U0Ll0rdknDofo0t7ZX1aqPQBd0= X-Google-Smtp-Source: ABdhPJyiNa4QaLlINczyGm7YdueDOENUNnuhP7sbYP+yC4HyapiUer5jXVdb59MrIcqDMP+PLHv0Wg== X-Received: by 2002:a63:da50:: with SMTP id l16mr5733394pgj.198.1590011871706; Wed, 20 May 2020 14:57:51 -0700 (PDT) Return-Path: <12348ung@gmail.com> Received: from UserPC ([103.198.24.78]) by smtp.gmail.com with ESMTPSA id z5sm2536776pfj.29.2020.05.20.14.57.50 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 20 May 2020 14:57:51 -0700 (PDT) To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: porting Date: Thu, 21 May 2020 07:57:48 +1000 Message-ID: <005e01d62ef1$b4d91550$1e8b3ff0$@gmail.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_005F_01D62F45.86852550" X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQJeYYar1v3EZFaFZhYgK5ctokC286ehH8vA Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_005F_01D62F45.86852550 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Thanks Todd, I am expecting my turbo back early next week, = so will see if I can destroy it as usual. Neil. =20 From: Rotary motors in aircraft =20 Sent: Wednesday, May 20, 2020 6:12 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: porting =20 Hi Neil; I'm not sure the exact size of the wastegate. What I did was; I took out = the 2 bolts that hold the end of the turbine housing (plus the 3 from = the exhaust pipe of course) and that exposes the wastegate. With it = closed I sprayed it with ink (or paint whatever you have on hand) then = remove the wastegate and finish disassembly of the turbine housing. I then took a die grinder with a rotary file bit and carefully removed = metal until there was 1/16" of metal until the paint line evenly all the = way around. That is the new remaining seat. I then opened up the inside = of the wastegate port to provide a large smooth flared entrance into the = port. I switched from the rotary file to a flapper type of sanding wheel = on the die grinder to polish it smooth for flow. That probably wasn't = necessary. I've had no issues with boost creep. It took probably a little more than an hour of work. I read somewhere that you can replace that little flapper disk on the = wastegate with a larger one, then you can really hog out that hole, but = I haven't found that necessary. =20 Todd =20 On Tue., May 19, 2020, 18:58 12348ung@gmail.com = , > wrote: Todd or anyone, Just what size holes are required to = grow the hole to in the Hitachi turbo?? Just getting mine returned from = the bloke who has done nothing, then I can also enlarge the ports while = here before I send off to another Turbo bloke who appears to know what = he is doing. =20 Neil. =20 ------=_NextPart_000_005F_01D62F45.86852550 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

Thanks Todd,

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0 I am expecting my turbo back early next week, so = will see if I can destroy it as usual.=C2=A0 = Neil.

 

From: Rotary motors in aircraft = <flyrotary@lancaironline.net>
Sent: Wednesday, May 20, = 2020 6:12 PM
To: Rotary motors in aircraft = <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: = porting

 

Hi = Neil;

I'm not sure the exact = size of the wastegate. What I did was; I took out the 2 bolts that hold = the end of the turbine housing (plus the 3 from the exhaust pipe of = course) and that exposes the wastegate. With it closed I sprayed it with = ink (or paint whatever you have on hand) then remove the wastegate and = finish disassembly of the turbine housing.

I then took a die grinder with a rotary file bit and = carefully removed metal until there was 1/16" of metal until the = paint line evenly all the way around. That is the new remaining seat. I = then opened up the inside of the wastegate port to provide a large = smooth flared entrance into the port. I switched from the rotary file to = a flapper type of sanding wheel on the die grinder to polish it smooth = for flow. That probably wasn't necessary. I've had no issues with boost = creep.

It took probably a = little more than an hour of work.

I read somewhere that you can replace that little = flapper disk on the wastegate with a larger one, then you can really hog = out that hole, but I haven't found that = necessary.

 

Todd

 

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