REFLECTOR: Deltahawk engine

Tom Martino tmartino at troubleshooter.com
Thu May 5 12:52:38 CDT 2005


Smarty pants

-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Douglas Holub
Sent: Thursday, May 05, 2005 11:37 AM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: Deltahawk engine

Yes!  First one to fly 180 mph on 6 gph or less wins.

----- Original Message -----
From: "Tom Martino" <tmartino at troubleshooter.com>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Thursday, May 05, 2005 12:40 PM
Subject: RE: REFLECTOR: Deltahawk engine


Wana race?

-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Douglas Holub
Sent: Thursday, May 05, 2005 11:14 AM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: Deltahawk engine

A four-place Velocity is more than adequate with 200 horsepower,
especially
if the engine is turbocharged. Perhaps your airplane feels like a lead
sled
because the engine is heavy.

Doug
----- Original Message -----
From: "Tom Martino" <tmartino at troubleshooter.com>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Thursday, May 05, 2005 11:41 AM
Subject: RE: REFLECTOR: Deltahawk engine


I have 300 horsepower on a SE RG ... and would never consider anything
less.

Velocities are lead sleds without adequate power.  And I defy anyone to
say that their four-place Velocity is adequate with 200 horsepower.  I'd
venture to say there would be some days they'd never get off the ground
with four people and fuel.

-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Al Gietzen
Sent: Thursday, May 05, 2005 10:12 AM
To: 'Velocity Aircraft Owners and Builders list'
Subject: RE: REFLECTOR: Deltahawk engine

Welcome; Grigore;

There are a number of builders who have watched the progress of the
Deltahawk awaiting its arrival as a viable alternative.  As with any new
engine development, the delays have made its application uncertain; but
it
is potentially a very attractive alternative.

My personal opinion is that 160 hp would give marginal performance for a
fixed gear airplane.  This is just base on riding in the factory 173FG
that
I believe had a 200hp Lyc with Mark Machado some years (and Mark agreed
some
more power would be better).  The SE FG will perform better, but if you
ever
have to a long distance against a headwind, you will be disappointed.
It of
course depends on your expected use and expectations.

But then I'm way out of line anyway, putting a 265 hp rotary on a SE RG
:).

Al

-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Grigore Rosu
Sent: Thursday, May 05, 2005 7:02 AM
To: reflector at tvbf.org
Subject: REFLECTOR: Deltahawk engine

I am perhaps the latest member of the list (just received the
confirmation of my order for a Velocity SE/FG a few days ago), so please

let me start with a warm hello to all the enthusiastic Velocity
Builders!

I am living and flying in Illinois (Champaign-Urbana area), but I am
originally from Romania.  I intend to move back to Europe in a few
years,
so I am 99% decided to go for a Deltahawk engine (as you may all know,
in
Europe the price of AVGAS is prohibitive).  I am also very impressed
with
the latest comparison data between the DH160V4 engine and the Lycoming
IO-360, so it looks like a DH engine may be a very good choice even for
one flying one's Velocity all the time in the USA ... (see
http://www.deltahawkengines.com/perfor00.shtml).

Are there builders on this list who are seriously considering a DH
engine?

Can anybody comment a bit on the three possibile DH engines, namely the
DH160V4, DH180V4, and DH200V4?  According to Deltahawk's data, a DH160V4

sounds like just good enough for a Velocity SE/FG.  However, a DH180V4
also seems very attractive.  Also, what would the REAL difference
between
the three engines be in the case of a Velocity SE/FG (ignoring the
price)?

Thank you,
Grigore
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