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  #41  
Old 02-08-2015, 06:49 PM
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N941WR N941WR is offline
 
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How about putting two engines in the same engine compartment?

Do any of you remember this twin Cozy Mk IV?
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  #42  
Old 02-08-2015, 06:52 PM
Coleblocka Coleblocka is offline
 
Join Date: Feb 2015
Location: Rhode Island
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Quote:
Originally Posted by aerhed View Post
Tell your buddy about the old 80/20 rule. 80% of single engine accidents are walk-aways. Only 20% of twin accidents are.
It's important to note that this statistic only accounts for reported accidents. A single engine failure in a twin that then proceeds to land safely is generally not considered a reportable event.
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  #43  
Old 02-08-2015, 07:11 PM
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greghughespdx greghughespdx is offline
 
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Location: Aurora, OR
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Just buy two RV-10 fuse kits and start cutting?
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  #44  
Old 02-08-2015, 07:15 PM
BobTurner BobTurner is online now
 
Join Date: Dec 2011
Location: Livermore, CA
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Quote:
Originally Posted by Charles in SC View Post

As far as building a homebuilt twin, I would like to see something along the lines of the old Wing Derringer. As I remember it they had two seats and two Continental GTISO 520 engines. Talk about single engine performance, I think that would do it. That would be like an RV 7 with two turboed 375 hp engines.
The Wing Derringer had 160 HP on each side.
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  #45  
Old 02-08-2015, 07:49 PM
chipf chipf is offline
 
Join Date: Feb 2008
Location: Austin, TX
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Quote:
Originally Posted by Autoreply View Post
Quite a few people feel that with centerline trust, a light twin would be a good alternative.

2 VW's for a two-seater, or maybe two Rotaxes (Rotaii?)/ULpower 4-bangers for a 2+2.

Here is a lot more discussion:
http://www.homebuiltairplanes.com/fo...tlemaster.html

With an otherwise simple plane (fixed gear etc) that'd be something that might be in the same league as an RV in terms of operating cost and performance.
I can't believe 5 hours went by and nobody else noticed...
Autoreply, welcome to VansAirforce!

I was also thinking about a twin kit. It would need 6 seats, and an option for 360's or 540's.

But then again, I know of a Baron on at the home field with two overhauled engines for less than the cost of a RV-10. Hmmm....
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Last edited by chipf : 02-08-2015 at 07:53 PM. Reason: Fixing user name
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  #46  
Old 02-08-2015, 08:13 PM
rjbob rjbob is offline
 
Join Date: Jun 2010
Location: Anchorage, Alaska
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Quote:
Originally Posted by KRviator View Post
IF you're gonna build a Cri Cri to build twin time, might as well strap a pair of jets to it so you can build twin turbine time!

I'm almost as passionate about model aircraft as I am about full scale. I fly everything from Control Line models to Radio Controlled jets.
A Cri Cri powered by a couple of JetCat turbines (normally used on models) has got to be something!
https://www.youtube.com/watch?v=7Y-AL3YfWzM
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  #47  
Old 02-08-2015, 09:02 PM
F1R F1R is offline
 
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Default You can have your twins....

My very first actual multi engine jet flight, we lost two PW615's in actual IMC at 32,000 ft. 423 hours since new. Shut the first one down as it lost oil pressure. The LH side lost oil pressure about 2 minutes later. It felt like I had swallowed a cup of concrete. We did get back on the ground. ATC got everybody out of the way and gave us a very large 270 onto the localizer before we hit the clouds and ice. At a break in the checklists, I told the Left seat I wished I was back in my rocket and twisting my own wrenches. His response was "I believe you." After much investigation it was written up as a computer glitch, however a few days later, the LH engine seized in flight ! (less that one flight hour later) Massive compressor stall as # 3 bearing welded itself solid, filling the cabin with smoke with the owner and his family on board.

You can have your twins. I'll take the RV 10 or the Rocket every time.
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  #48  
Old 02-08-2015, 09:06 PM
Charles in SC Charles in SC is offline
 
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Quote:
Originally Posted by BobTurner View Post
The Wing Derringer had 160 HP on each side.
You are correct, most of the Derringers had 160s.

The one I was thinking of with the GTISO 520s was the Beagle.
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  #49  
Old 02-08-2015, 09:26 PM
rjbob rjbob is offline
 
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Quote:
Originally Posted by F1R View Post
After much investigation it was written up as a computer glitch, however a few days later, the LH engine seized in flight ! (less that one flight hour later) Massive compressor stall as # 3 bearing welded itself solid, filling the cabin with smoke with the owner and his family on board.

You can have your twins. I'll take the RV 10 or the Rocket every time.
What make & model jet was it?
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  #50  
Old 02-08-2015, 09:30 PM
Sig600 Sig600 is offline
 
Join Date: Nov 2005
Location: KRTS
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Quote:
Originally Posted by rookie1255 View Post
Why is the velocity v-twin too expensive to build? If you can afford to quick build an RV-10 the velocity can't be too much more. The velocity v-twin kit price is for a quick build kit. Used engines would help with the cost too. Finding used Lycoming IO-540s is tough.
The kit itself is north of $110K.

Add two IO-320's (what it uses), props, and a panel... you're into it another $100K easy. Interior, building, etc... you'll be $300K before it ever moves under it's own power. It'll be a sexy $300K though.
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