X-Virus-Scanned: clean according to Sophos on Logan.com From: "Charlie England" Received: from mail-ua0-f180.google.com ([209.85.217.180] verified) by logan.com (CommuniGate Pro SMTP 6.1.14) with ESMTPS id 9341059 for flyrotary@lancaironline.net; Thu, 05 Jan 2017 09:27:41 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.217.180; envelope-from=ceengland7@gmail.com Received: by mail-ua0-f180.google.com with SMTP id 34so339735716uac.1 for ; Thu, 05 Jan 2017 06:27:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=mifmFbPQwq20rrX1RytP4Dns9bFu85G2LxxIck2ifnc=; b=kp7xIG9Z4Ru6GfZOaXzuI4snS6GcbcjOHD2/7a/NL7eQ7cdKLp3b680r7BtcsVbr9G 5gARG+3EnsbiZm6pG97R17f47IsE0VbcY9VgQRqdSBHVVsYxAEl5HYI7DVo9F2yiZfb+ PBSABB0EZG5XRdZCPXJ4/6IdhVfEq/j9yCf5HLIGtFUSmMLNkCzpD0/witceCeqtB97c f8Y8creyYs5cYd7a1pisn7hsTaCuICegnxSjJiz348aCtTGNldgrbBxy5MA0oYPuinNE FBs2O6kQali4FCkkjkiGmA4zZwI3i2wbtqaTsBqw5NwJjver3m+K5vqMVTZpQ1NXZvo0 7caQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=mifmFbPQwq20rrX1RytP4Dns9bFu85G2LxxIck2ifnc=; b=g329SJiMmOMPup6nvzz2qYfFXXLDcHIA211NvVgIxUXaFDLcEOcO1HyQmHLwwONb60 TnBjB4SPzQ6qlnsRMuBtGHCU+zhohoVCajVySUd9Z/hFF6Y5s9tVGb4NaCb0bd9b/Kjc YoZPKTN+xa0cYcJA4RUvxTF1pxx8UStvecVZfB6j5XJYlqImckadGNu4FF1HobSsimNm RRNDGikgOJNRKFXlVHtrmSHj3xvhkaRId1GzAnZzovxFqZjFuX03ta7Rvnyki+DU0P8A w+NE50M/bS6sJ3aFj5+7GpFqqTfZ0FTm9qZec4FaN5sI2eT71euoSNzVbryNXeb/YREJ sWIA== X-Gm-Message-State: AIkVDXKXyzTuebGn0LGGhLSLxuEATEh0vyx64mpGiPIIipmY2npxcJOmb47z6z0TBxi0GnMgk9eUu5ke/is2Hg== X-Received: by 10.176.71.21 with SMTP id h21mr53445290uac.167.1483626444074; Thu, 05 Jan 2017 06:27:24 -0800 (PST) MIME-Version: 1.0 Received: by 10.103.4.2 with HTTP; Thu, 5 Jan 2017 06:27:23 -0800 (PST) In-Reply-To: References: Date: Thu, 5 Jan 2017 08:27:23 -0600 Message-ID: Subject: Re: [FlyRotary] Re: Not rotary....but still interesting To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=f403045f11d82db105054559b3be --f403045f11d82db105054559b3be Content-Type: text/plain; charset=UTF-8 Hi Todd, Thanks for the update. I can relate to the firewall issues; I spent a lot of time thinking about how to minimize penetrations and keep them accessible. I'll start a separate thread with what I did. Unfortunately, the pic didn't come through for me. The list has a message size limit of around 200KB; any chance the image was too big? Charlie On Thu, Jan 5, 2017 at 12:25 AM, Todd Bartrim wrote: > I'm not Ernest (obviously), but many things different on this rebuild > which I'll detail later but the one thing I'd like to mention now that made > so much difference in the design is in the tool category. > When I built my dream shop over the last bunch of years I included an > overhead 2 axis crane/hoist on rails that are part of the shop structure. > This has proved invaluable over the years almost daily but when I finally > got back to the plane the first thing I wanted to do was apply a fireproof > blanket to the engine side of the firewall in an unbroken sheet. In order > to do this I used the hoist to suspend the engine and mount together as one > while I disconnected the mount from the firewall. Unsurprisingly I could > effortlessly move it once everything was disconnected. This led me to the > conclusion that so much of my original installation was unsatisfactory as > it was all a compromise with fw penetration and accessory location governed > by the ability to access it with the engine and mount hanging on the > firewall. Back then I had to get a couple of beer-drinking buddies over to > lift the engine on/off. So I took the opportunity to do a redesign by > patching every penetration point and sealing the fw with a fireproof > blanket to give me clean slate (see picture). There is a small weight > penalty for this but worth it as this time it was so easy to put everything > exactly where I want it as I could effortlessly move the engine with mount > and accessories with one hand to place and fit items. > Now I realize this isn't feasible for most to add an overhead hoist to > their shop, but a simple engine hoist would achieve the same result even if > it does require more effort to move into and out of place. This may seem > obvious now, but at the time it was something I just never considered. > That is the one thing different that has allowed me to do many other > things different. > > > Oh and I can already hear all the newer list members asking WTH is that > big hole at the bottom of the fw? An original half baked idea I had all > those years ago for an internal muffler housing to keep the square homemade > SpinTech muffler from being an air drag. I'll post better detailed pics > later but it did work pretty good but I probably wouldn't do that again. > Too much work for little gain. Especially now that I'm using a much less > draggy AeroExhaust. > > Todd > > RV9 13Bturbo > > Todd Bartrim > > On Wed, Jan 4, 2017 at 6:54 PM, GEORGE PUTNAM > wrote: > >> Great to see your posts on the forum, Ernest. Curious. What would you do >> differently today if you were building the rotary for the Dyke?! >> Best Regards, >> George Putnam >> >> On Jan 3, 2017, at 5:55 PM, Ernest Christley >> wrote: >> >> >> >> Well, that was inspirational. I have the descent rate. I have the >> forward speed. I can easily calculate the best glide and climb angles from >> that. Thanks, James. >> >> >> >> >> >> >> >> > --f403045f11d82db105054559b3be Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Todd,

Thanks for the update. I can r= elate to the firewall issues; I spent a lot of time thinking about how to m= inimize penetrations and keep them accessible. I'll start a separate th= read with what I did.=C2=A0

Unfortunately, the pic= didn't come through for me. The list has a message size limit of aroun= d 200KB; any chance the image was too big?

Charlie=

On Th= u, Jan 5, 2017 at 12:25 AM, Todd Bartrim <flyrotary@lancaironlin= e.net> wrote:
I'm not Ernest (obvious= ly), but many things different on this rebuild which I'll detail later = but the one thing I'd like to mention now that made so much difference = in the design is in the tool category.=C2=A0
=C2=A0 When I built my drea= m shop over the last bunch of years I included an overhead 2 axis crane/hoi= st on rails that are part of the shop structure. This has proved invaluable= over the years almost daily but when I finally got back to the plane the f= irst thing I wanted to do was apply a fireproof blanket to the engine side = of the firewall in an unbroken sheet. In order to do this I used the hoist = to suspend the engine and mount together as one while I disconnected the mo= unt from the firewall. Unsurprisingly I could effortlessly move it once eve= rything was disconnected. This led me to the conclusion that so much of my = original installation was unsatisfactory as it was all a compromise with fw= penetration and accessory location governed by the ability to access it wi= th the engine and mount hanging on the firewall. Back then I had to get a c= ouple of beer-drinking buddies over to lift the engine on/off. So I took th= e opportunity to do a redesign by patching every penetration point and seal= ing the fw with a fireproof blanket=C2=A0 to give me clean slate (see pictu= re). There is a small weight penalty for this but worth it as this time it = was so easy to put everything exactly where I want it as I could effortless= ly move the engine with mount and accessories with one hand to place and fi= t items.
=C2=A0 Now I = realize this isn't feasible for most to add an overhead hoist to their = shop, but a simple engine hoist would achieve the same result even if it do= es require more effort to move into and out of place. This may seem obvious= now, but at the time it was something I just never considered.=C2=A0
=
=C2=A0 =C2=A0That is the one th= ing different that has allowed me to do many other things different.
<= div dir=3D"ltr" style=3D"font-size:12.8px">=C2=A0
=C2=A0=C2=A0
<= div style=3D"font-size:12.8px">Oh and I can already hear all the newer list= members asking WTH is that big hole at the bottom of the fw? An original h= alf baked idea I had all those years ago for an internal muffler housing to= keep the square homemade SpinTech muffler from being an air drag. I'll= post better detailed pics later but it did work pretty good but I probably= wouldn't do that again. Too much work for little gain. Especially now = that I'm using a much less draggy AeroExhaust.

Todd=C2=A0

RV9 1= 3Bturbo

Todd Bartrim

On Wed, Jan 4, 2017 at 6:54 PM, GEORGE PUTNA= M <flyrotary@lancaironline.net> wrote:
Great to see you= r posts on the forum, Ernest. Curious. What would you do differently today = if you were building the rotary for the Dyke?!
Best Regards,
= George Putnam
On Jan 3, 2017, = at 5:55 PM, Ernest Christley <flyrotary@lancaironline.net> wrote:



=
Well, that was inspirational.=C2=A0 I= have the descent rate.=C2=A0 I have the forward speed.=C2=A0 I can easily = calculate the best glide and climb angles from that.=C2=A0 Thanks, James.









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