Re: [Flightgear-devel] Help with B-29

2005-03-19 Thread Innis Cunningham
Hi guys I guess the only thing that needs to be remembered is the prop tip must never become supersonic so work out the prop dia and what rpm keeps it near supersonic and that will be close to the prop rpm. Cheers Innis From: Arnt Karlsen [EMAIL PROTECTED] Reply-To: FlightGear developers

Re: [Flightgear-devel] Help with B-29

2005-03-19 Thread Andy Ross
Arnt Karlsen wrote: ..what had me wondering is the eng-rpm in the turbine-engine section, where these word of wisdom appears: ;o) And what would you propose? Turbine RPM is almost never quoted in real units, but in percentages. Where is appropriate, the documentation tells you to specify

Re: [Flightgear-devel] Help with B-29

2005-03-19 Thread Josh Babcock
Jim Wilson wrote: From: Josh Babcock snip Yeah, I'm still messing around and I don't really understand what I'm doing. The .35 gear ratio came straight out of the POH, and I think I recall seeing a cutaway photo of this engine with a gearbox behind the propeller. The engine rpms should be

Re: [Flightgear-devel] Help with B-29

2005-03-19 Thread Jim Wilson
Yeah, I have been reviewing this, and I think I understand how the definition works. I'm getting pretty much the same numbers based on the 2900 and .35 which I got out of the POH and several internet sources on the cyclone engines. I have a more appropriate yasim file now, but I still

Re: [Flightgear-devel] Help with B-29

2005-03-19 Thread Josh Babcock
Jim Wilson wrote: Yeah, I have been reviewing this, and I think I understand how the definition works. I'm getting pretty much the same numbers based on the 2900 and .35 which I got out of the POH and several internet sources on the cyclone engines. I have a more appropriate yasim file now, but

Re: [Flightgear-devel] Help with B-29

2005-03-19 Thread Josh Babcock
Jim Wilson wrote: Yeah, I have been reviewing this, and I think I understand how the definition works. I'm getting pretty much the same numbers based on the 2900 and .35 which I got out of the POH and several internet sources on the cyclone engines. I have a more appropriate yasim file now, but

Re: [Flightgear-devel] Help with B-29

2005-03-19 Thread Josh Babcock
Josh Babcock wrote: Jim Wilson wrote: Yeah, I have been reviewing this, and I think I understand how the definition works. I'm getting pretty much the same numbers based on the 2900 and .35 which I got out of the POH and several internet sources on the cyclone engines. I have a more appropriate

Re: [Flightgear-devel] Help with B-29

2005-03-19 Thread Josh Babcock
Josh Babcock wrote: Josh Babcock wrote: Jim Wilson wrote: Yeah, I have been reviewing this, and I think I understand how the definition works. I'm getting pretty much the same numbers based on the 2900 and .35 which I got out of the POH and several internet sources on the cyclone engines. I

Re: [Flightgear-devel] Help with B-29

2005-03-19 Thread Arnt Karlsen
On Sat, 19 Mar 2005 07:45:07 -0800, Andy wrote in message [EMAIL PROTECTED]: Arnt Karlsen wrote: ..what had me wondering is the eng-rpm in the turbine-engine section, where these word of wisdom appears: ;o) And what would you propose? Turbine RPM is almost never quoted in real units,