Ed Cesnalis Posted December 24, 2014 Report Share Posted December 24, 2014 All CTs are shipped with a Neuform prop from the factory - the prop is an FD standard. Mine and a number of others were shipped with alternate props. My plane has never had a Neuform prop. Link to comment Share on other sites More sharing options...
Ed Cesnalis Posted December 24, 2014 Report Share Posted December 24, 2014 CTs ship now with CR3 type props. Then they are rated for 6,084 Rotax RPM. Link to comment Share on other sites More sharing options...
gbigs Posted December 24, 2014 Report Share Posted December 24, 2014 Mine and a number of others were shipped with alternate props. My plane has never had a Neuform prop. The new planes, the FD CTLS and CTLSi ship with the Neuforms. Here is the price/quote from FDUSA. http://flightdesignusa.com/aircraft/ctls/pricing-options/ They have a typo on the prop name. If FD is shipping some other kind of prop, it is not listed on their website. The Neuforms are standard. If you guys are making GENERALIZATIONS about prop pitch, it seems to me anyone reading this thread be WARY of that...and consult with your prop operators guide as I just did for the prop on my plane. Link to comment Share on other sites More sharing options...
Anticept Posted December 24, 2014 Report Share Posted December 24, 2014 You are misunderstanding the text from the manual. That manual is generalized for all of their props. They not only sell rotax 912 propellers, but also, for example, props for the rotax 582. The 582 has multiple gearsets that you can choose from with different reduction ratios for the purpose of sizing and choosing a propeller. It is this that neuform is referring to when they state you should choose the appropriate gear reduction set to keep prop RPM low. The 912 ULS and iS series only have one available gearset ratio, so unless neuform has crap engineering, the CR3 series props would be engineered and be expected to run at one single powerband, and you need to toy with the prop setting to find it. Link to comment Share on other sites More sharing options...
WmInce Posted December 24, 2014 Report Share Posted December 24, 2014 Guys . . . he doesn't get it . . he never will get it . . so I suggest you move on. Link to comment Share on other sites More sharing options...
Tom Baker Posted December 24, 2014 Report Share Posted December 24, 2014 All CTs are shipped with a Neuform prop from the factory - the prop is an FD standard. There were quite a few CT's shipped with the Sensenich ground adjustable propellers from 2010 uo until the CTLSi. Link to comment Share on other sites More sharing options...
Tom Baker Posted December 24, 2014 Report Share Posted December 24, 2014 Again, it matters ZERO what the prop is called (of course it's a ground adjustable three-blade prop). What matters as far as this thread is concerned is that the prop is FIXED PITCHED in flight (as opposed to a Constant Speed, Controllable Pitch, Two-Position, Full Feathering etc). Why don't you just say it right, instead trying to make what you said work? In flight the ground adjustable propellers pitch is fixed. Link to comment Share on other sites More sharing options...
Tom Baker Posted December 24, 2014 Report Share Posted December 24, 2014 The new planes, the FD CTLS and CTLSi ship with the Neuforms. Here is the price/quote from FDUSA. http://flightdesignusa.com/aircraft/ctls/pricing-options/ They have a typo on the prop name. If FD is shipping some other kind of prop, it is not listed on their website. The Neuforms are standard. If you guys are making GENERALIZATIONS about prop pitch, it seems to me anyone reading this thread be WARY of that...and consult with your prop operators guide as I just did for the prop on my plane. Do you really think your propeller is set up like propeller guide, or is it set up like Rotax wants?The two are contrary to each other. Link to comment Share on other sites More sharing options...
Anticept Posted December 24, 2014 Report Share Posted December 24, 2014 There were quite a few CT's shipped with the Sensenich ground adjustable propellers from 2010 uo until the CTLSi. I'm curious why they didn't continue with Sensenich for the 912 iS. Perhaps Sensenich isn't ready to sell props for it for liability concerns? Link to comment Share on other sites More sharing options...
Doug G. Posted December 24, 2014 Report Share Posted December 24, 2014 100H, good to hear you admit you were wrong. It is not a fixed pitch prop, no matter what you want to call it. Link to comment Share on other sites More sharing options...
Ed Cesnalis Posted December 24, 2014 Report Share Posted December 24, 2014 FD has shipped many CTs with different pitches. If as burgers says they know best why have they used different pitches and evolved to a flatter pitch over time? Bottom line for me is simple, the 912 is expensive and it produces ~75hp for cruise and I am going to use it, I paid for it. Link to comment Share on other sites More sharing options...
Jacques Posted December 24, 2014 Report Share Posted December 24, 2014 20° are taken ay 20 cm from prop blade tip. Make sure to have the nose wheel up in order to have engine horizontal axis // from the ground, and the blade // to the ground as well... thanks a lot. That's 3° more than with the 80hp. Link to comment Share on other sites More sharing options...
gbigs Posted December 25, 2014 Report Share Posted December 25, 2014 Do you really think your propeller is set up like propeller guide, or is it set up like Rotax wants? The two are contrary to each other. FD sets the prop like the Neuform ops guide describes. The prop is a bit course for both vibration and cruise. For those desperate to tweek your plane, why not go experimental and put a constant speed or in-air controllable pitch prop on...at least you will be playing the game with a real possibility of making a difference between cruise and climb in actual flight. Link to comment Share on other sites More sharing options...
Anticept Posted December 25, 2014 Report Share Posted December 25, 2014 You can't go experimental and put a different prop on from what 14 CFR 1.1 describes. It's the wrong kind of experimental, as it's still LSA. Link to comment Share on other sites More sharing options...
Doug G. Posted December 25, 2014 Report Share Posted December 25, 2014 Good cartoon in the paper today - "[He] has artificial intelligence. He thinks he knows everything." Link to comment Share on other sites More sharing options...
Tom Baker Posted December 26, 2014 Report Share Posted December 26, 2014 FD sets the prop like the Neuform ops guide describes. The prop is a bit course for both vibration and cruise. Please cite your source for this. What RPM does your airplane turn full throttle level flight? I really think that setting the prop pitch to make the Rotax happy is more important than setting it coarse like Nueform suggest. I know for fact that many of the CTLS here in the states were delivered with the propellers removed and installed when the planes were re - assembled. Just so you know anytime the propeller is removed you need to check and likely adjust the pitch. Link to comment Share on other sites More sharing options...
Jacques Posted December 26, 2014 Report Share Posted December 26, 2014 http://www.neuform-composites.de/_downloads/pdf/propellermanual.pdf Neuform don't suggest or give the pitch for the installation....as they don't know where the prop goes. They say ''The angle of incidence For microlight aircraft, that are type registered, the angle of incidence as defined in the registration must be adjusted. The figure for the angle of incidence must be obtained from the microlight aircraft manufacturer if necessary.'' Link to comment Share on other sites More sharing options...
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