---------------------------------------------------------- Zenith601-List Digest Archive --- Total Messages Posted Wed 06/10/09: 5 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 06:09 AM - Fuel pipe size (Peter W Johnson) 2. 07:51 AM - Re: Fuel pipe size (Bryan Martin) 3. 03:42 PM - Re: Fuel pipe size () 4. 04:39 PM - Re: Fuel pipe size (Peter W Johnson) 5. 10:21 PM - Re: One bungee on each Main Gear (stormyflight@yahoo.com) ________________________________ Message 1 _____________________________________ Time: 06:09:40 AM PST US From: "Peter W Johnson" Subject: Zenith601-List: Fuel pipe size Hi Guys, I'm running an O-200 on my 601 and will be using aluminium tubing instead of the supplied 1/4 inch hose. What size ID are others using for an O-200? Cheers Peter Wonthaggi Australia http://zodiac.cpc-world.com ________________________________ Message 2 _____________________________________ Time: 07:51:28 AM PST US From: Bryan Martin Subject: Re: Zenith601-List: Fuel pipe size Tubing is generally listed by OD, 3/8" OD tubing should work fine. That will give you a bit more than 1/4" ID. > > > > Hi Guys, > > I'm running an O-200 on my 601 and will be using aluminium tubing > instead of > the supplied 1/4 inch hose. What size ID are others using for an > O-200? > -- Bryan Martin N61BM, CH 601 XL, RAM Subaru, Stratus redrive. ________________________________ Message 3 _____________________________________ Time: 03:42:23 PM PST US From: Subject: Re: Zenith601-List: Fuel pipe size PETER- I would use 3/8 O.D. aluminum tubing as a replacement for the rubber hose . It has a 1/4 inc I. D. ----- Original Message ----- From: "Peter W Johnson" Sent: Wednesday, June 10, 2009 9:09 AM Subject: Zenith601-List: Fuel pipe size > > > Hi Guys, > > I'm running an O-200 on my 601 and will be using aluminium tubing instead > of > the supplied 1/4 inch hose. What size ID are others using for an O-200? > > Cheers > > Peter > Wonthaggi Australia > http://zodiac.cpc-world.com > > > ________________________________ Message 4 _____________________________________ Time: 04:39:35 PM PST US From: "Peter W Johnson" Subject: RE: Zenith601-List: Fuel pipe size Hi Guys, Thanks for the response. The reason for the question was that all parts supplied by Zenith (gascolator, fuel tank) use 1/4" npt, the fuel pump uses 1/8" npt. The O-200 uses an MS3SPA with 1/4" fittings. I'll go with the 3/8" tube and adaptor fittings for the fuel pump. Cheers Peter Wonthaggi Australia http://zodiac.cpc-world.com -----Original Message----- From: owner-zenith601-list-server@matronics.com [mailto:owner-zenith601-list-server@matronics.com] On Behalf Of r-garrett@att.net Sent: Thursday, 11 June 2009 8:42 AM Subject: Re: Zenith601-List: Fuel pipe size PETER- I would use 3/8 O.D. aluminum tubing as a replacement for the rubber hose . It has a 1/4 inc I. D. ________________________________ Message 5 _____________________________________ Time: 10:21:55 PM PST US From: stormyflight@yahoo.com Subject: Re: Zenith601-List: One bungee on each Main Gear Hi Damien, I think that would be a really bad idea. I am an aircraft designer and have been designing landing gear systems for about 25 years (on UAV's). A landing gear system is designed to absorb a certain amount of energy during the landing event. For a light wing loading aircraft like the 601 the limit descent rate is about 6 or 7 feet per second and that equates to a certain amount of energy. The gear absorbs the energy by deflecting a carefully selected distance with a certain amount of opposing load (in this case from the bungees). If you remove one of the bungees you are basically cutting the amount of energy the gear can absorb by half before the gear bottoms out. Once the gear bottoms the loads go up very quickly to the point that something is going to break. With one bungee your gear would only be able to absorb the energy from about a 4 FPS landing event. Feels great until you really drop it in and then you have bent something. Just a tip, Jim Machin 601XL almost done --- On Sun, 6/7/09, LarryMcFarland wrote: > From: LarryMcFarland > Subject: Re: Zenith601-List: One bungee on each Main Gear > To: zenith601-list@matronics.com > Date: Sunday, June 7, 2009, 4:29 PM > --> Zenith601-List message posted > by: LarryMcFarland > > Hi Damien, > The objective of having two bungees is redundancy. If > you break one, you don't necessarily break up the plane > before you replace the broken bungee. > Landings with two are none too hard with some practice, but > I'd imagine a fully loaded HDS rumbling along on uneven or > rough runways would probably > break something before breaking the last bungee. I'd > recommend the redundancy as gear attachments on the center > wing are relatively delicate without the shock > absorption two bungees provide. I'd not want to strip > out the threaded top plates, ding the vertical guides or > impact the gear box structure below the wing as repairs > could be quite daunting. A double bungee is capable of > being bottomed, so a single could more easily be as well. > One bungee to me is a scary concept! > > Larry McFarland 601HDS at www.macsmachine.com > > > Damien wrote: > > Hello Group: > > I am in the process of buying a 601 HDS with a 80HP > Rotax. The gentleman who built it decided a few years ago to > leave just one bungee on each main gear in order to make > grass landings less bumpy. He wrote a short article about it > in the Zenair News. Does anyone have an opinion on > this? If there is just one bungee on a gear leg, is > there a concern of damage if that one bungee deteriorates ? > > Thanks > > * > > * > > > > Email Forum - > FAQ, > - MATRONICS WEB FORUMS - > List Contribution Web Site - > -Matt > Dralle, List Admin. > > > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message zenith601-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Zenith601-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/zenith601-list Browse Digests http://www.matronics.com/digest/zenith601-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.