Including a turbo prop! Which is a cool hack but...MrMorden wrote:The 701/750 series has had every engine in the world hung on it, and I think that choice makes a big difference in how the airplane flies. My choice would be a Rotax 912 100hp over a heavier O-200, Jabiru, VW, etc.
Factory-built Zenith STOL CH750 SLSA
Moderator: drseti
Re: Factory-built Zenith STOL CH750 SLSA
Re: Factory-built Zenith STOL CH750 SLSA
Indeed! I bet that turbine runs about ten minutes before it's out of fuel.rsteele wrote:Including a turbo prop! Which is a cool hack but...MrMorden wrote:The 701/750 series has had every engine in the world hung on it, and I think that choice makes a big difference in how the airplane flies. My choice would be a Rotax 912 100hp over a heavier O-200, Jabiru, VW, etc.
I have seen two-strokes on them too. WTF with that!
Andy Walker
Athens, GA
Sport Pilot ASEL, LSRI
2007 Flight Design CTSW E-LSA
Athens, GA
Sport Pilot ASEL, LSRI
2007 Flight Design CTSW E-LSA
Re: Factory-built Zenith STOL CH750 SLSA
I wondered this, too. I don't think the Rotax 912 is necessarily any more expensive (initial cost, fuel, maintenance, TBO, etc) than the O-200, and is certainly more efficient.zaitcev wrote:Not enthused about their choice of O-200 because I'm a lardbutt pilot at 220 lbs, but as long as it permits them to keep the cost down...
Perhaps it's a "Made in the USA" thing...
Re: Factory-built Zenith STOL CH750 SLSA
Cost of a 912 is a major factor for builders of 701. My own builder is building one right now and he selected a Revmaster VW. A 912ULS is more defensible on the CH-750 where its power is needed.
Re: Factory-built Zenith STOL CH750 SLSA
Used 912s can be had for $7k-10k. Not dissimilar to a used O-200. And only $1k-3k less than a VW engine.zaitcev wrote:Cost of a 912 is a major factor for builders of 701. My own builder is building one right now and he selected a Revmaster VW. A 912ULS is more defensible on the CH-750 where its power is needed.
A new O-200D is $23,500 and a new 912ULS is $18,500. A new Revmaster is about $8k.
Personally, I think a VW engine is the wrong choice for a 701. A 2180cc VW makes about 76hp and weighs 161lb...the power to weight just isn't there. It will fly, but it will turn a STOL airplane into a sorta-kinda-STOL airplane. Just IMO, of course, but we have a VW-powered 701 locally and it's kind of a performance dog.
Last edited by MrMorden on Wed May 04, 2016 8:18 am, edited 1 time in total.
Andy Walker
Athens, GA
Sport Pilot ASEL, LSRI
2007 Flight Design CTSW E-LSA
Athens, GA
Sport Pilot ASEL, LSRI
2007 Flight Design CTSW E-LSA
Re: Factory-built Zenith STOL CH750 SLSA
Last time I checked, a new 912ULS in the crate cost $19,000 US. Yes, that's a good chunk of change, but you'd be hard pressed to find anying else new with 100 HP and 2000 TBO any cheaper.
The opinions posted are those of one CFI, and do not necessarily represent the FAA or its lawyers.
Prof H Paul Shuch
PhD CFII DPE LSRM-A/GL/WS/PPC iRMT
AvSport LLC, KLHV
[email protected]
AvSport.org
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SportPilotExaminer.US
Prof H Paul Shuch
PhD CFII DPE LSRM-A/GL/WS/PPC iRMT
AvSport LLC, KLHV
[email protected]
AvSport.org
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SportPilotExaminer.US
Re: Factory-built Zenith STOL CH750 SLSA
A 912ULS is now around $16,800. Prices for the 912 and 914 engines have come down.
Roger Lee
Tucson, Az.
LSRM-A, Rotax Instructor & Rotax IRC
(520) 574-1080 (Home) Try Home First.
(520) 349-7056 (Cell)
Tucson, Az.
LSRM-A, Rotax Instructor & Rotax IRC
(520) 574-1080 (Home) Try Home First.
(520) 349-7056 (Cell)
- FastEddieB
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Re: Factory-built Zenith STOL CH750 SLSA
Kind of cool replacing all 8 spark plugs for about the price of a single aircraft spark plug!
Re: Factory-built Zenith STOL CH750 SLSA
Gotta love it!FastEddieB wrote:Kind of cool replacing all 8 spark plugs for about the price of a single aircraft spark plug!
Aviation Real Estate Broker
Re: Factory-built Zenith STOL CH750 SLSA
I see that the O-200 being factory-installed in the CH705 SLSA is FAA certified, where a Rotax isn't.
Is that an advantage/disadvantage?
Is that an advantage/disadvantage?
Re: Factory-built Zenith STOL CH750 SLSA
There is a certified version of the Rotax. It's the 912S. Costs maybe 10k more. One advantage is it can be IFR approved while the ULS is not.
The opinions posted are those of one CFI, and do not necessarily represent the FAA or its lawyers.
Prof H Paul Shuch
PhD CFII DPE LSRM-A/GL/WS/PPC iRMT
AvSport LLC, KLHV
[email protected]
AvSport.org
facebook.com/SportFlying
SportPilotExaminer.US
Prof H Paul Shuch
PhD CFII DPE LSRM-A/GL/WS/PPC iRMT
AvSport LLC, KLHV
[email protected]
AvSport.org
facebook.com/SportFlying
SportPilotExaminer.US
Re: Factory-built Zenith STOL CH750 SLSA
Are you sure about that? It is my understanding that ASTM does not have a IFR standard, and until they do, no new SLSA can be IFR certified. Certified engine or not. Prior to 2010 whether the airplane could be flown IFR had to do with how the operating limitations were written, and approval or lack of prohibition from the manufacturer.drseti wrote:There is a certified version of the Rotax. It's the 912S. Costs maybe 10k more. One advantage is it can be IFR approved while the ULS is not.
Re: Factory-built Zenith STOL CH750 SLSA
I'm in FL right now, so can't access the document in my office, but there was an FAA Legal interpretation that says, absent an ASTM consensus standard, manufacturers can exclude or include IFR in their operating limitations.
The opinions posted are those of one CFI, and do not necessarily represent the FAA or its lawyers.
Prof H Paul Shuch
PhD CFII DPE LSRM-A/GL/WS/PPC iRMT
AvSport LLC, KLHV
[email protected]
AvSport.org
facebook.com/SportFlying
SportPilotExaminer.US
Prof H Paul Shuch
PhD CFII DPE LSRM-A/GL/WS/PPC iRMT
AvSport LLC, KLHV
[email protected]
AvSport.org
facebook.com/SportFlying
SportPilotExaminer.US
Re: Factory-built Zenith STOL CH750 SLSA
CFR 21.190 says that the airplane must meet a standard for issue of an airworthiness certificate. The only accepted standard is ASTM, and it says no flight in IMC. Are you saying the FAA has issued a letter allowing the manufacturer to not follow ASTM standards? Maybe the letter applies to aircraft built before the change in the ASTM standards that prohibited flight in IMC.
Re: Factory-built Zenith STOL CH750 SLSA
A builder of CH-750 can write proper limitations, I think.3Dreaming wrote:Are you sure about that? It is my understanding that ASTM does not have a IFR standard, and until they do, no new SLSA can be IFR certified. Certified engine or not.drseti wrote:There is a certified version of the Rotax. It's the 912S. Costs maybe 10k more. One advantage is it can be IFR approved while the ULS is not.