X-Virus-Scanned: clean according to Sophos on Logan.com From: "Todd Bartrim" Received: from mail-qk0-f169.google.com ([209.85.220.169] verified) by logan.com (CommuniGate Pro SMTP 6.1.14) with ESMTPS id 9343065 for flyrotary@lancaironline.net; Thu, 05 Jan 2017 18:20:25 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.220.169; envelope-from=bartrim@gmail.com Received: by mail-qk0-f169.google.com with SMTP id n21so449083172qka.3 for ; Thu, 05 Jan 2017 15:20:24 -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=WYF1S71myUIzsI3zqTM746fsYDwPwMR+fxKA5RZ9E8s=; b=dGgcw2rmfBV+Vb2X5cKpHwb+whtHSPnp2J+E/BDzgndZGWcKclPLoEsOHB4eB6pT3T oiR3huZpPuBPPKEXEGu4ohu84i9Sq7SLJIUC8e3Awg0Bp2mspKWVbToHPo7zYww6qVuy Ijx7KWKoWbzmfgZ7bKFaILrKUUmvBKynd5NPYXDX8BUH1zlzvocTIlAUpHMOgfmlGtqY sdp/PwrXs/Y/1K9ZIQqgZQdtqnANKbulxC1msOitgbpT9v8QMIzeissFwMA3WqgvLUqX y0oG6DQcLPSL2DTye17WxliQ/MZNWmZ1TzM/nzHz6XmFIf4h2kZ9WT0YhQKQr6JcfVWA qz2A== 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=WYF1S71myUIzsI3zqTM746fsYDwPwMR+fxKA5RZ9E8s=; b=FPgS9s3/Sl1gUNpaLnOBrri0f8o1Xj9BV4N3irt0TEj26V6LLa4LkbkJ8+Ah5xAHEI HGVwwvWxWv3QxmFXlCejJGlvxEXZHhGFen1tD7CnRifYRk6FWjLqAcXFJ1FKq8VA+i7U beNYe0BXQrZCsMXx8kJ7NmqpUCARWEkqM/KxAhr3pYYF/j/lysxBBwHySQw6gjayNNBc wQQCEHqSw8wHGZ4hXBXhRT8wSv2UiEjw/u9qWpRsCANkq1QFKvWDLGdh/kN+lwr3yjW+ dySrHci6Agw7R8RvQ704IqbqYG2JYOpa9hLBLmxmVOuiFpihNAsLJivsH34w5cJ5hLh4 dtJA== X-Gm-Message-State: AIkVDXLfu00wr2cA1XTTrBmLPiYgKqlS3wquxX+L245WFfQRoqPGzHv1FVhzqKRgE9MwQhbBH7pP5dfJSMvH9g== X-Received: by 10.55.25.19 with SMTP id k19mr80144195qkh.105.1483658406739; Thu, 05 Jan 2017 15:20:06 -0800 (PST) MIME-Version: 1.0 Received: by 10.12.156.2 with HTTP; Thu, 5 Jan 2017 15:20:06 -0800 (PST) In-Reply-To: References: Date: Thu, 5 Jan 2017 15:20:06 -0800 Message-ID: Subject: Re: [FlyRotary] Re: Not rotary....but still interesting To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=001a1147ed1c4d4dcb054561248a --001a1147ed1c4d4dcb054561248a Content-Type: text/plain; charset=UTF-8 Yep, too big. Been awhile since I'd posted anything so I'd forgotten about that. Probably just as well. Would've caused more questions than answers. I've been taking an excess of pics during this work so I should try to reorganize and update my old web page with some of this info. Just got to find that all elusive time. Todd Bartrim On Thu, Jan 5, 2017 at 6:27 AM, Charlie England wrote: > 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 < >> flyrotary@lancaironline.net> 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 < >>> flyrotary@lancaironline.net> 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. >>> >>> >>> >>> >>> >>> >>> >>> >> > --001a1147ed1c4d4dcb054561248a Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Yep, too big. Been awhile since I'd posted anything so= I'd forgotten about that. Probably just as well. Would've caused m= ore questions than answers. I've been taking an excess of pics during t= his work so I should try to reorganize and update my old web page with some= of this info. Just got to find that all elusive time.

Todd Bartrim

On Thu, Jan 5, 2017 at 6:27 AM, Charlie Engl= and <flyrotary@lancaironline.net> wrote:
Hi Todd,

Thank= s for the update. I can relate to the firewall issues; I spent a lot of tim= e thinking about how to minimize penetrations and keep them accessible. I&#= 39;ll start a separate thread with what I did.=C2=A0

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

Charlie

On Thu, Jan 5, = 2017 at 12:25 AM, Todd Bartrim <flyrotary@lancaironline.net&= gt; wrote:
I'm not Ernest (obviously), but m= any things different on this rebuild which I'll detail later but the on= e thing I'd like to mention now that made so much difference in the des= ign is in the tool category.=C2=A0
=C2=A0 When I built my dream shop ove= r the last bunch of years I included an overhead 2 axis crane/hoist on rail= s 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 fir= ewall 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 t= he firewall. Unsurprisingly I could effortlessly move it once everything wa= s disconnected. This led me to the conclusion that so much of my original i= nstallation was unsatisfactory as it was all a compromise with fw penetrati= on and accessory location governed by the ability to access it with the eng= ine and mount hanging on the firewall. Back then I had to get a couple of b= eer-drinking buddies over to lift the engine on/off. So I took the opportun= ity to do a redesign by patching every penetration point and sealing the fw= with a fireproof blanket=C2=A0 to give me clean slate (see picture). There= is a small weight penalty for this but worth it as this time it was so eas= y to put everything exactly where I want it as I could effortlessly move th= e engine with mount and accessories with one hand to place and fit items.
=C2=A0 Now I realize th= is 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.=C2=A0
=C2=A0 =C2=A0That is the one thing diff= erent that has allowed me to do many other things different.
=C2=A0
=C2=A0=C2=A0=
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 muff= ler 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. E= specially now that I'm using a much less draggy AeroExhaust.

Todd= =C2=A0

RV9 13Bturbo

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:

<= div class=3D"m_2015101858216420885m_4991048759995514812m_231560783393822101= 6qtdSeparateBR">

Well, that was insp= irational.=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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