REFLECTOR: Engines and High DA

[Ron Brown]

Kurt,

I'm not convinced that the IVO/Lycoming 4 thumper is a problem.  The 
unfortunate accident with Mark Ewart was attributed to poor reassembly and 
not following procedures.  Are there any other documented failures with the 
IVO on Lycomings?

Sort of like the admonishment not to use metal props on the back on canards. 
Melville had one and said it shook real bad - so no metal props on canards - 
yet they fly behind the Cessna Skymaster all the time.  Any other documented 
problems???

Ronnie

----- Original Message ----- 
From: <NMFlyer1 at aol.com>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Sunday, February 06, 2005 11:23 AM
Subject: Re: REFLECTOR: Engines and High DA


> Jim,
>
>  Well.. at risk of starting another gripe-fest from people that have not 
> used the equipment:
>
> I am using the IVO 76" 3 blade CS prop (pitch range 65-105).
> IVO was very careful in making sure that I did not have a problem area (IE 
> 4-cyl thumper lyc).  He asked tons of questions, Listened more and 
> appeared genuinely concerned that he would not sell me a problem. More 
> than any of the so-called certafied prop guys. I also researched from the 
> people that have IVO-s on NON-Lycoming applications, they love it.
>
> Considering that, the cost benefit numbers change substantially.
>
> I was out at Lincold at Velocity West when Mark put the IVO on the old 173 
> FGE (which is what I have). He said that the performance was "somewhere 
> between frightening and exhilerating".  They did remove it later due to 
> the 4-cylinder thumper lycoming mismatch problems.
>
> As for the runway lengths:  you are right on the numbers. Since I only 
> have 4800', I want to be able to abort without ending up in my neighbor's 
> yard should I have to. So the 2500' takeoff roll.... plus the abort stop 
> distance puts me a little closer to the limit.
>
> I appreciate the input.   Kurt
> _______________________________________________
> To change your email address, visit 
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery!  www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>