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| Wide deck 360 http://t18.net/thorpforum/viewtopic.php?f=35&t=7105 |
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| Author: | Ryan Allen [ Sat Sep 08, 2012 4:08 pm ] |
| Post subject: | Wide deck 360 |
Does anyone know if a wide deck 0-360 will fit inside a standard T-18 cowl? Any "gotchas" with a wide deck engine and the Thorp airframe? |
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| Author: | leewwalton [ Sat Sep 08, 2012 4:20 pm ] |
| Post subject: | Re: Wide deck 360 |
Wide deck and narrow deck motors are dimensionally the same for all practical purposes. Angle valve 0360 s are a different story though, theyre not recommended. |
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| Author: | Ryan Allen [ Sat Sep 08, 2012 5:16 pm ] |
| Post subject: | Re: Wide deck 360 |
oh, ok. thank you. much appreciated. |
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| Author: | Bill Williams [ Sat Sep 08, 2012 6:50 pm ] |
| Post subject: | Re: Wide deck 360 |
As Lee pointed out the dimensions are the same, the difference is in the cylinder bases. Why they call them wide deck/ narrow deck is a mystery. The narrow deck cylinder base flange is 1/4" thick and uses a re-inforcement plate the hold the cylinder. The wide deck has a 3/8" thick base and bolts on directly. |
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| Author: | Victor J Thompson [ Sun Sep 09, 2012 7:29 pm ] |
| Post subject: | Re: Wide deck 360 |
Bill: thought there was more differences so I consulted a reference that I have (Paul McBride, recognized worldwide as an expert on engines, retired after almost 40 years with Lycoming). http://www.generalaviationnews.com/2009 ... k-engines/ WD cylinders are retained to the crankcase using a standard hex nut, while a ND cylinder utilizes a barrel type, internal spline nut with a |
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| Author: | Bill Williams [ Mon Sep 10, 2012 5:45 am ] |
| Post subject: | Re: Wide deck 360 |
Good article. I think the bolt patterns are different on the two engines as there was a change on how the crankcase through bolts were installed. He did not answer the question "why they called them WD vs ND?" I guess Lycoming was referring to the cylinder bases. |
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| Author: | fytrplt [ Mon Sep 10, 2012 6:44 am ] |
| Post subject: | Re: Wide deck 360 |
Paul was referring to the "deck" of the cylinder. Cases are dfferent, as well in the way the alternator is attached. As Lee said, the dimensions are the same. |
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