Thks Sam for your experience, appreciate it. Gives me food for thought. Sent from my iPhone
> On Jun 14, 2020, at 1:23 PM, Samuel Spanovich via KRnet > <krnet@list.krnet.org> wrote: > > I’ve ran two different propellers on my 2100D. The first one was a Culver > 54”x48” (diameter x pitch), and was a decent prop. It gave me about > 3100-3200 RPM static with a stock engine. However while the climb rate was > outstanding (almost 900-1000 fpm sustained when solo), the cruise speed was > not. I only averaged around 104-105 Knots TAS at 3000-3100 RPM. In addition, > because it ran at a fairly high RPM, the oil temperatures ran fairly high, > even with the Revmaster oil cooler. > > The 2nd prop I tried (and am still using) is a Sterba 54”x54”, which I feel > is the ideal prop for this engine, whether the engine is bone stock or > upgraded for some extra power. At 3000-3100 this prop currently gives me > 110-112 knots TAS in cruise, and about ~118-120 knots at 3200 RPM. The climb > rate is also very comparable to the lower pitched Culver. With a stock > engine, I usually averaged around 700-800 fpm (compared to the 900-1000 with > the Culver) so it definitely wasn’t quite as good, but the big increase in > cruise speed was well more than worth it to me. In addition, the oil > temperatures were much more under control (30-40F cooler) since there was > much more airflow through the cowling, at a lower RPM. > > To answer your original question, I have searched and searched and searched > some more for an in-flight adjustable propeller for the 2100D, and I still > haven’t one. However after running the Sterba, unless you’re really itching > for that extra climb rate and cruise speed that an in flight adjustable prop > offers, I haven’t felt the need to look any further. > > Hope this offers some insight. > > V/R > > Sam Spanovich > N6399U > 74S, Anacortes WA > > Sent from my iPhone > _______________________________________________ > Search the KRnet Archives at > https://www.mail-archive.com/krnet@list.krnet.org/. > 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 krnet-le...@list.krnet.org _______________________________________________ Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/. 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 krnet-le...@list.krnet.org
