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  #51  
Old 05-07-2017, 02:58 PM
Mudfly Mudfly is offline
 
Join Date: Dec 2011
Location: Alpharetta, Ga
Posts: 212
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Quote:
Originally Posted by rv6ejguy View Post
Would be good if these folks would have an update after 2014.
Looks like they update their facebook.
https://www.facebook.com/Turbine-Sol...9158212429254/
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Shawn Edwards
RV-14A (140174)
www.myrv14build.blogspot.com
2020 VAF Donation
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  #52  
Old 05-07-2017, 04:55 PM
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brian brian is offline
 
Join Date: Jan 2006
Location: Cornish, NH
Posts: 391
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Quote:
Originally Posted by dlomheim View Post
There is an RV-10 w/ Turbine that is now flying. They bought a buddies RV-10 and showed it off at SNF a few years ago w/only his fuselage; but have subsequently finished it up and I know are flying it now since they gave him a ride in it last month when he was in Florida.

See Turbine Solutions Group: http://www.turbinesolutiongroup.com/tsg_RV10_kit.htm

Doug Lomheim
RV-9A Mazda 13B/FWF
Oh great! Thanks for updating me on it; I was hoping someone would. It was bugging me that I remembered taking pictures of it, but I couldn't find them. That must be the one I was thinking of. I hadn't heard about it for years, so I assumed it went defunct. Glad to hear they got it flying.
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Brian Meyette, Cornish, NH
1995 RV-6A - N16RK (Ralph Koger) SOLD
RV-7A - incomplete, supercharged Subaru STi - N432MM - SOLD
2001 Quad City Challenger II LW - N28RT SOLD

www.meyette.us/RV-7Ahome.htm
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  #53  
Old 05-07-2017, 05:21 PM
TS Flightlines TS Flightlines is offline
 
Join Date: Apr 2010
Location: Ridgeland, SC
Posts: 2,589
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Brian---its flying and they have a few other conversions they were working on. I think I remember them telling me about some changes in the engine manufacturer that was slowing progress some.

Tom
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Tom Swearengen, TS Flightlines LLC, AS Flightlines
Joint Venture with Aircraft Specialty
Teflon Hose Assemblies for Experimentals
Proud Vendor for RV1, Donator to VAF
RV7 Tail Kit Completed, Fuse started-Pay as I go Plan
Ridgeland, SC
www.tsflightlines.com, www.asflightlines.com
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  #54  
Old 03-26-2018, 07:12 AM
Tommyid1 Tommyid1 is offline
 
Join Date: Feb 2014
Location: Kalispell, MT
Posts: 1
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Any recent developments on this?
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  #55  
Old 03-26-2018, 01:06 PM
TS Flightlines TS Flightlines is offline
 
Join Date: Apr 2010
Location: Ridgeland, SC
Posts: 2,589
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Tommy---the 200 HP version is on the drawing board/solidworks CAD---or whatever the term is now for 'cyphering' about it. We talked with Dave Limmers a few months ago, and again in an email about 6 weeks ago asking for some data. They didnt have that data at that time. WE have a RV14 client that is impatiently waiting on things to progress so he can finish some things.

Dave might chime in here, but I dont know of any progress lately.

Tom
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Tom Swearengen, TS Flightlines LLC, AS Flightlines
Joint Venture with Aircraft Specialty
Teflon Hose Assemblies for Experimentals
Proud Vendor for RV1, Donator to VAF
RV7 Tail Kit Completed, Fuse started-Pay as I go Plan
Ridgeland, SC
www.tsflightlines.com, www.asflightlines.com
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  #56  
Old 08-26-2018, 09:56 AM
breister breister is offline
 
Join Date: Dec 2006
Location: Atlanta, GA
Posts: 1,231
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Quote:
Originally Posted by flyvulcan View Post
I am pleased to announce that we have received our first deposit from a dedicated RV builder.

I would like to thank him for his support for our engine and express my own admiration for the initiatives he is proposing to integrate the engine into his aircraft. His set-up will certainly gather attention in a very positive way and he should end up with a very high performance and safe aircraft.

Dave
Hi Dave,

I've read this entire thread and your website, and if it is there I can't find it.

Are you anticipating that these engines will maintain full rated hp, and if so to what altitude? Or will they lapse like normally aspirated engines? It makes a huge difference - 120hp flat rated out-performs a standard IO-360 (180hp) above 12,500 density altitude, sometimes steady wins the race.
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  #57  
Old 08-30-2018, 08:39 PM
flyvulcan flyvulcan is offline
 
Join Date: Mar 2012
Location: Adelaide, Australia
Posts: 14
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Quote:
Originally Posted by breister View Post
Hi Dave,

I've read this entire thread and your website, and if it is there I can't find it.

Are you anticipating that these engines will maintain full rated hp, and if so to what altitude? Or will they lapse like normally aspirated engines? It makes a huge difference - 120hp flat rated out-performs a standard IO-360 (180hp) above 12,500 density altitude, sometimes steady wins the race.
On an ISA day, the 200hp take-off power should be maintained to 5000? and will then reduce to 180hp at 10,000? and 137hp at 20,000?. That 137hp at 20,000? for our engine is around a 65% power setting for an IO360 at sea level. This should give you an idea of the anticipated performance of your RV at altitude.

Fuel flow at 20,000? @ 137hp is projected to be around 9.5 gph. A 150hp cruise at 10,000? on an ISA day will yield a fuel flow anticipated to be around 11.4 gph.

These are preliminary theoretical numbers that have yet to be validated. In around 9 months, I hope to be able to provide validation (or correction if necessary!).

The first RV that our engine will go into will be an RV14, as mentioned earlier in this thread. That is likely to be in around 15-18 months from now. The owner of that aircraft will be working with us to provide accurate numbers to the RV fraternity to enable RV builders to make an informed decision about their choice of powerplant. We are excited to work with this builder to get his Turbine RV airborne as soon as possible.

Dave
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  #58  
Old 02-06-2019, 08:42 AM
breister breister is offline
 
Join Date: Dec 2006
Location: Atlanta, GA
Posts: 1,231
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Quote:
Originally Posted by flyvulcan View Post
On an ISA day, the 200hp take-off power should be maintained to 5000? and will then reduce to 180hp at 10,000? and 137hp at 20,000?. That 137hp at 20,000? for our engine is around a 65% power setting for an IO360 at sea level. This should give you an idea of the anticipated performance of your RV at altitude.

Fuel flow at 20,000? @ 137hp is projected to be around 9.5 gph. A 150hp cruise at 10,000? on an ISA day will yield a fuel flow anticipated to be around 11.4 gph.

These are preliminary theoretical numbers that have yet to be validated. In around 9 months, I hope to be able to provide validation (or correction if necessary!).

The first RV that our engine will go into will be an RV14, as mentioned earlier in this thread. That is likely to be in around 15-18 months from now. The owner of that aircraft will be working with us to provide accurate numbers to the RV fraternity to enable RV builders to make an informed decision about their choice of powerplant. We are excited to work with this builder to get his Turbine RV airborne as soon as possible.

Dave
Thanks for the estimated numbers Dave, looking forward to your upcoming real-world results!
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  #59  
Old 02-06-2019, 07:10 PM
MercFE MercFE is offline
 
Join Date: Sep 2014
Location: Maple Valley, WA
Posts: 273
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I've got a deposit in for one of these engines.

Debating about building a RV-14 around it... Or, maybe a Velocity Twin.
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  #60  
Old 02-07-2019, 11:58 AM
breister breister is offline
 
Join Date: Dec 2006
Location: Atlanta, GA
Posts: 1,231
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Quote:
Originally Posted by MercFE View Post
I've got a deposit in for one of these engines.

Debating about building a RV-14 around it... Or, maybe a Velocity Twin.
My thought was to build a Velocity Twin when I retire. My bird is small, and by that time mama and I may have difficulty squeezing in...

Interestingly, the Twin could probably be safe with two of the 120hp models. Based on his numbers for the 200, I would expect the 120 to still provide 100hp up to 10,000', which ought to be enough to provide single engine climb even up there.

Big weakness of turbines is that efficiency usually goes way down below 85% power or so, so pulling back the throttle doesn't really save that much and two 120s would be running at just about optimum producing 200hp continuous at 10k'.
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