REFLECTOR: Riddle me this...
Hal Smith
h.smith61 at verizon.net
Wed May 30 20:53:15 CDT 2007
Thanks Hiroo, I am flying Saturday from 10:00 till 1:00. I'll call you and see what we can do.
Hal
----- Original Message -----
From: Hiroo Umeno
To: Velocity Aircraft Owners and Builders list
Sent: Wednesday, May 30, 2007 6:24 PM
Subject: Re: REFLECTOR: Riddle me this...
I am in the West hangars (the new ones across 24 - 16 from you). Hangar 44-9. I might be back at it Saturday morning. I'd be glad to show you the plane.
(206) 709-7779.
Hiroo
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of Hal Smith
Sent: Wednesday, May 30, 2007 5:19 PM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: Riddle me this...
Hi Hiroo,
My name is Hal Smith and I am building an XLRG with plans to put a turboprop in it. I am based at Paine Field also. I was wondering where your hangar is and if I could come over and see your plane sometime. How often do you go to the hangar and how often do you fly?
I am in hangar C-13-1 in the east condos very near Chuck Harbert. He and I collaborate quite a bit on plane stuff.
Thanks,
Hal
----- Original Message -----
From: Hiroo Umeno
To: Velocity Aircraft Owners and Builders list
Sent: Wednesday, May 30, 2007 2:39 PM
Subject: REFLECTOR: Riddle me this...
I put the wheel pants on and went out for another morning of flying. As sky was severe clear, I took it up to 7500ft altitude (9300DA) and let the plane fly full-bore. I clocked 165KTAS burning 11.5GPH but had to pull back as my #6 was getting too hot again.
Here is when thing turned "interesting". I backed down to the power settings that I "thought" produced 150KTAS a few days ago and found that I was getting only 140KTAS or so. Since I put the pants on, I would have thought I would see some gains.
The only thing I can think of is the fuel burn. By then, I had 1/3 tank left on both tanks and the plane should be quite a bit lighter. So, would a lighter plane fly slower? Would CG have impact on my top speed? I noted that I had to keep a bit of "down" trim during cruise (about a finger's worth at the elevator tip). So part of me believes that when the nose gets lighter, the plane gets slower (to a point) because I am fighting the lift the canard makes to keep going straight.
But the other part of me thinks that's bunk since how, given the same power input at the back, a heavier object can travel faster.
Now I am totally confused.
Hiroo
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