Christian,
I would love to learn more about your PP Renesis. Any pictures you can share?
Throttle body setup and location?
Single \ double throttle body?
Where are you monitoring manifold pressure? A “T” installed between each rotor for average MP?
Warm\ cold Idle speeds?
Total hours on the PP?
Did you solve the rotor housing apex seal chatter?
Stock Renesis apex seals?
PP runner length?
I have a spare renesis I’m planning to turbo charge for 5#’s at takeoff and normalized at cruise. A PP could potential allow less boost (2-3 #’s) at takeoff and safe normalization in cruise. Not sure about engine life with PP and turbo. Although less boost and less heat could be a good thing.
Bobby Hughes
RV-10
Super Charged Renesis
295 Hours
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]
Sent: Wednesday, July 27, 2016 5:49 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: New PSRU on the Horizon
Hi Charlie
Sorry helps if I read the website, doh
I'm keen to try the new Peru with my prop, just seems a little shy of on song as it seems to really come on strong a around 6500-7500, just my 2 cents
Christian
On Wednesday, 27 July 2016, Charlie England <flyrotary@lancaironline.net> wrote:
On 7/26/2016 8:41 PM, Kelly Troyer wrote:
Neil Unger of Australia is gearing up to produce a new PSRU that would seem to eliminate any weak points
in Tracy Crook's popular RDx searies of PSRU's.........Check out his website and the PSRU page........
Hi Kelly,
Thanks for the update. It's great that a drive will be available again, but it's a shame he chose such a wide ratio. Hardly anyone will want to operate the engine at 8k rpm, and even if they do, it will need a larger diameter prop than most homebuilts can swing safely, due to ground clearance issues. More typical operating rpms down in the 6k range mean sub-1800 prop rpm, which begs an even larger diameter prop.
Any chance he'll offer the more conventional 2.85? (Something closer to 2.5 would be even nicer, to get prop rpm closer to the design point for most homebuilt airframe/engine combos.)
Charlie