hi stef, thanks. I really am interested to make a 3-blade solution on my upcoming built\d. yes the "coolness factor" is at play. In other words, Unless there were a compelling reason (significant performance loss, or whatever engine I choose would be damaged), I'd pay extra for that third blade.
Back in the day, RR offered a simple adjustable 3 blade composite for the VW but they had problems slinging blades, as I recall. But they looked very cool. In wonder what brands are available and if the O-200 or corvair have an available option. The BMW you mention is also interesting, and may be another possibility on my engine options list. On Mon, Apr 16, 2018 at 11:42 AM, Stef den Boer via KRnet <[email protected]> wrote: > Hi, > > I was also in a doubt between the 2 or 3 bladed prop. > > In europe there are severall BMW1200 planes. The have tested the combination > 2 or 3 blades. All with the same lengt. > > 2 blades vs 3 blades > > *2 blades have a Slidly more vibration > > *2 blades some more noice > > *3 blades more performance in takeoff > > *3 blades no notisable more or less top speed > > *3 blades more havea i beleve it wass 600 gram > > *3 blades more expencive > > I hope you have someting with this information. > > Stef > > > >> >> Op 16 april 2018 om 3:26 schreef Craig Williams via KRnet >> <[email protected]>: >> >> Lycoming! Heated carbs are all the rage. >> >> > > >> > On April 15, 2018 at 3:20 PM Kayak via KRnet >> > <[email protected]> wrote: >> > >> > Just contemplating engine choices. An O-200 I believe requires >> > quite a >> > large prop diameter. Are there three (or four) blade options that >> > would reduce this while maintaining the general efficiency of a >> > long >> > two blade? >> > >> > _______________________________________________ >> > Search the KRnet Archives at >> > https://www.mail-archive.com/[email protected]/. >> > Please see LIST RULES and KRnet info at >> > http://www.krnet.org/info.html. >> > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to >> > change options. >> > To UNsubscribe from KRnet, send a message to >> > [email protected] >> > >> > > >> _______________________________________________ >> Search the KRnet Archives at >> https://www.mail-archive.com/[email protected]/. >> Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. >> see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to >> change options. >> To UNsubscribe from KRnet, send a message to [email protected] >> > > > Steph and his dad are building the KR-2S see > http://www.masttotaalconcept.nl/kr2 http://www.masttotaalconcept.nl/kr2 > _______________________________________________ > Search the KRnet Archives at > https://www.mail-archive.com/[email protected]/. > Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options. > To UNsubscribe from KRnet, send a message to [email protected] _______________________________________________ Search the KRnet Archives at https://www.mail-archive.com/[email protected]/. Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change options. To UNsubscribe from KRnet, send a message to [email protected]
