REFLECTOR: air induction

[John Tvedte]

Jeff,

Ken Parser, in Speed with Economy, suggests an inlet size 10% greater than the throat area of the carburetor.

Don at Airflow has suggested creating a diverging duct - 7.5 deg. included angle.

And Gary Hertzler suggested expand to 2 times the fuel inlet area (Minimum)

John
________________________________
From: reflector-bounces at tvbf.org [reflector-bounces at tvbf.org] On Behalf Of Jeff Howell [jeffreyhowell at hotmail.com]
Sent: Saturday, September 20, 2008 7:27 PM
To: Velocity Aircraft Owners and Builders list
Subject: REFLECTOR: air induction

Ken,
     Engine run went well. I was wondering what other people are doing for their air induction system on a franklin engine. How big of a scoop on the bottom and how much ram air? Can I make the scoop too big and cause problems??  I am in the process of designing a card heat box and filter assy. and would like to know all of the safety issues. thanx Jeff


________________________________

From: kenb at velocityaircraft.com
To: reflector at tvbf.org
Date: Wed, 10 Sep 2008 10:19:14 -0400
Subject: Re: REFLECTOR: Engine run



Jeff,

Sure, we run engines with the wings and canard off all the time. Just make sure that you properly restrain the aircraft - chalks, chains, etc. Also, make sure to have a safety spotter standing by with a fire extinguisher.

Beyond that  - let her rip!

Best,

-Ken Baker
kenb at velocityaircraft.com<mailto:kenb at velocityaircraft.com>

________________________________
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of Jeff Howell
Sent: Wednesday, September 10, 2008 2:39 AM
To: Velocity Aircraft Owners and Builders list
Subject: REFLECTOR: Engine run

Ken, I am going to be running my engine for the first time this weekend. I was wondering if there is anything I should know before doing so. I am not currently at the airport so the wings are not installed. has this been done before and IS IT SAFE? thanx Jeff

> From: kenb at velocityaircraft.com
> To: reflector at tvbf.org
> Date: Fri, 29 Aug 2008 13:33:14 -0400
> Subject: Re: REFLECTOR: Web alert Velocity web page changed
>
> All,
>
> In the process of trying to clean up the manual webpages -- no actual
> changes to the manuals themselves.
>
> Best,
>
> -Ken
> kenb at velocityaircraft.com
>
> -----Original Message-----
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
> Behalf Of Brian Michalk
> Sent: Friday, August 29, 2008 12:40 PM
> To: Velocity Aircraft Owners and Builders list
> Subject: Re: REFLECTOR: Web alert Velocity web page changed
>
> Changes to all manuals?
>
> http://www.velocityaircraft.com/manuals/manualserg.html
>
> http://www.velocityaircraft.com/manuals/manualsefg.html
> http://www.velocityaircraft.com/manuals/manualxlfg.html
> http://www.velocityaircraft.com/manuals/manualxlrg.html
> http://www.velocityaircraft.com/manuals/manualxlfg5.html
> http://www.velocityaircraft.com/manuals/manualxlrg5.html
>
>
>
>
>
>
> velocity_monitor at awpi.com wrote:
> > For details visit
> > http://www.velocityaircraft.com/manuals/manualsefg.html
> > The following parts has been changed since last visited:
> > ***************
> > *** 1,7 ****
> > [IMAGE]
> >
> > - [IMAGE]
> > -
> > Standard Elite Fixed Gear Construction Manual
> >
> > Notes: We recommend that you download just the PDF
> > --- 1,5 ----
> > [IMAGE]
> >
> > Standard Elite Fixed Gear Construction Manual
> >
> > Notes: We recommend that you download just the PDF
> >
>
>
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