X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=LuPsNUVc c=1 sm=1 tr=0 a=mksd7cLMLqYcytAg4QdHXw==:117 a=x7bEGLp0ZPQA:10 a=xXDCcK6TKBsA:10 a=sTwFKg_x9MkA:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=AWJfXWIjq13YJuJwNjwA:9 a=QEXdDO2ut3YA:10 a=THZLPQUVQqOht51VIz0A:9 a=d_yJ28qwAHm9DhSg:21 a=Urk15JJjZg1Xo0ryW_k8:22 From: "Todd Bartrim bartrim@gmail.com" Received: from mail-oi1-f173.google.com ([209.85.167.173] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 257098 for flyrotary@lancaironline.net; Wed, 20 May 2020 04:12:23 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.167.173; envelope-from=bartrim@gmail.com Received: by mail-oi1-f173.google.com with SMTP id l6so2173234oic.9 for ; Wed, 20 May 2020 01:12:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=kaMwUqH5mr4viO020ugTSfN9xl5i2j90syZzhIwCJYg=; b=OFDAJh5HoKAPaLH/9xHBad8ZGG9UoR7Ecpkhst2o4GWAVK9AKfTJIH59uvmqlq8hlD yTd5z9J8X7d8b+/kvp4EZ7gqfv2A8CThR/cpCYP+Xpvt0sma7Wg7j+nS6vxjm2ZkKnVu IbQZFSx7gLhW+w5OHoYAU/Dt7xavt3ieJVng2P5C/Nl0rmtKoSxCm7NZeeHjc6hjv/mZ vefvMUBqYXHR3VLu3lfjG1spXqYkZ7xnfA0I6e7piv9MIwNNZW2QcEASUaKy2ejbE2ob H7nEfPuLB75+PBZU1KcOSHQCoheJIgE5iTtAjkwtX29Z8r3XsPSlVhwmtyGdNX44TDpU KDCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=kaMwUqH5mr4viO020ugTSfN9xl5i2j90syZzhIwCJYg=; b=mqCDQJy8k7kBiu0EDqA/EijCEN+lf5Dvu3DfwlWOHe0jAYKHZrIF2t1P/wPu7KlDnY k6qVs7w1+aL66qrowLkLuKe+2e51NRYDs/k0spfsONGwDz2+MOkyieD90w0fjNs5aVrw 677Mu+r3oWbe/XjXVl0q0IjRBHI3K6UqDm6Qxj4NF0KqTCU2CXlkSdl+In5qxcgu6Pwk TN8ANDQHoa/1T93o47+u2g6s60K6iQWUffeOM7gc78lEPBh3C41sukJFRWc0dGIbGlaM yeQEKi6fFPEQqZHEVPphpdFf6toSfmo8OshIUnqdScPEF2P4aiHST4vtKhiyeQSuwBLg vP2g== X-Gm-Message-State: AOAM533IRU8z4Ou1ZkXwOWPTE/hqm0XKni4eVULFVlZO3JjW01/9eEkY jw8gKHV+4MrfnnW4cbqmQtqp1LnY+aZFREuYTCzpa2o= X-Google-Smtp-Source: ABdhPJzQtAcIYGX/RSOX+jM+IxFznfQ3kJTCbdSyqOAHl50zGtdh6jSduNeK51YFT7M0NRgNuZcixtTOnJa3MaDoDu4= X-Received: by 2002:aca:4e84:: with SMTP id c126mr2343181oib.35.1589962327127; Wed, 20 May 2020 01:12:07 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: Date: Wed, 20 May 2020 01:11:53 -0700 Message-ID: Subject: Re: [FlyRotary] porting To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="000000000000b6faed05a60ff3e3" --000000000000b6faed05a60ff3e3 Content-Type: text/plain; charset="UTF-8" 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 On Tue., May 19, 2020, 18:58 12348ung@gmail.com, < flyrotary@lancaironline.net> 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. > > Neil. > > > --000000000000b6faed05a60ff3e3 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
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 th= at exposes the wastegate. With it closed I sprayed it with ink (or paint wh= atever you have on hand) then remove the wastegate and finish disassembly o= f the turbine housing.
I then took a die grinder wit= h 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 re= maining 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 fi= le to a flapper type of sanding wheel on the die grinder to polish it smoot= h 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

On Tue., May 19, 2020, = 18:58 12348ung@gmail.com, <flyrotary@lancaironline.net= > wrote:

Todd or anyone,=

=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=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Just what size holes are required to g= row the hole to in the Hitachi turbo??=C2=A0 Just getting mine returned fro= m the bloke who has done nothing, then I can also enlarge the ports while h= ere before I send off to another Turbo bloke who appears to know what he is= doing.=C2=A0

Neil.

=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

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