Vivian Meazza wrote: > Gerard > > >>>With Melchior's valuable help I have developed a nasal simulation of the >>>Boost Control and Boost Control Cutout for the Hurricane. This should be >>>committed to cvs shortly. When a preset boost value is exceeded, the >> >>Boost >> >>>Control acts to reduce throttle opening. This action can be overridden >> >>by >> >>>the Boost Control Cutout which allows maximum boost. The output of the >> >>Boost >> >>>Control is smoothed by a low-pass filter selected by Melchior. You will >>>notice an overshoot and some lag if the throttle is opened quickly. >>> >>>To make it work a patch (for cvs/head) is required to YASim - attached. >> >>A >> >>>new attribute 'supercharger' has been added to the aircraft config file. >>>When this is true, the attribute 'wastegate' no longer controls the >>>supercharger output. If you want to try the update to the Hurricane, you >>>will need to apply this patch. It will not adversely affect any other >> >>YASim >> >>>model, so far as I can tell. >>> >>>Both the nasal and YASim patch are temporary; both will require >> >>reworking >> >>>when Andy comes up with his revision of YASim to include the new >>>supercharger code. >>> >>>Any testing would be welcome, although Melchior is doing his best to >> >>break >> >>>it already! In particular any feedback on any adverse effects on other >>>models would be good. >>> >>>Regards, >>> >>>Vivian >> >>Do we have the same project, on JSBSim ? >>What must be done for it ? > > > I'm not sure where the supercharger stuff is at on JSBSim. Certainly doesn't > have a Boost Control Cutout. I'm not working on it - I've only just begun to > understand YASim. One thing at a time :-). I'm not aware of any requirement > in JSBSim > > Right now I've only researched the RR Merlin in any detail. Enough for our > current range of supercharged models. I don't know if Josh Babcock needs > anything special for the B29. > > V. > > > > _______________________________________________ > Flightgear-devel mailing list > [email protected] > http://mail.flightgear.org/mailman/listinfo/flightgear-devel > 2f585eeea02e2c79d7b1d8c4963bae2d >
I had done some research on the R-3350s, but it was a while ago. I do know that the turbos are controled by an amplified rheostat, which I think controls the the waste gate. Josh _______________________________________________ Flightgear-devel mailing list [email protected] http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
