REFLECTOR: Reflector Digest, Vol 73, Issue 75- Bahamas trip

Mark Riley the_rileys1 at verizon.net
Mon Apr 25 20:18:12 CDT 2011


I just returned from a week long trip to the Bahamas with Andy Millin and his wife. I flew us all over in my Velocity. Check out the pictures at marksvelocity.blogspot.com. We should get a group of planes to do this. Spectacular!

Mark
On Apr 25, 2011, at 5:45 PM, reflector-request at tvbf.org wrote:

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> Today's Topics:
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>   1. Re:  Fwd: Re: Looking at the Magnum (Chris Barber)
>   2. Re:  Fwd: Re: Looking at the Magnum (Scott Derrick)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Mon, 25 Apr 2011 21:37:12 +0000
> From: Chris Barber <cbarber at texasattorney.net>
> Subject: Re: REFLECTOR: Fwd: Re: Looking at the Magnum
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> Message-ID:
> 	<2D41F9BF3B5F9842B164AF93214F3D3065A6265B at FCD-MAIL06.FCDATA.PRIVATE>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Thanks for stating "unscrupulous lawyers" and not using a blanket condemnation of the simple minded.  It is appreciated.
> 
> 
> 
> All the best,
> 
> 
> 
> Christopher Barber, JD
> 
> Corporal, Patrol Division
> 
> Bellaire Police Department, Texas
> 
> 
> 
> Still actually proud to be a lawyer and a cop and a builder and a pilot and just all around swell guy ;-)
> 
> ________________________________
> From: reflector-bounces at tvbf.org [reflector-bounces at tvbf.org] on behalf of Scott Derrick [scott at tnstaafl.net]
> Sent: Monday, April 25, 2011 4:03 PM
> To: Velocity Aircraft Owners and Builders list
> Subject: Re: REFLECTOR: Fwd: Re: Looking at the Magnum
> 
> power pulses are also about spacing, the worst being a single large pulse per revolution.  You get two pulses per rev on a lycoming IO360, 3 per rev on an IO520. I've flown my airframe in front of an IO360 and an IO520 and I can vouch that the IO520 is worlds smoother
> 
> I think Brian and John are both correct.
> 
> Though I am more inclined to believe their insurance has laid down a blanket verbotten list that covers way more than is necessary.  Insurance, unscrupulous lawyers, and the wacky judicial system  we now have are threatening more business and pleasure activities than anything else.
> 
> Scott
> 
> -------- Original Message --------
> Subject: Re: REFLECTOR: Fwd: Re: Looking at the Magnum
> From: Brian Michalk <michalk at awpi.com><mailto:michalk at awpi.com>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org><mailto:reflector at tvbf.org>
> Date: 04/25/2011 02:29 PM
> I think it's the magnitude of the power pulses.
> The four cylinders are spread out over too many degrees, resulting in positive and negative torque on the root of the blades.  The Franklin at 220HP is similar HP, but six cylinders.
> 
> I'm not aware of anyone testing the magnum on a 520.  If it had turbine type power, I'm sure it could handle a lot of power.  The problem is with the crush plate.  It has to hold on to the blades with friction.  Once they start to pivot in the crush plate, they heat up and lose their integrity.
> 
> I think if IVO were to machine a collar to hold the blades it would work fine, but it would sure increase his manufacturing cost.  The design he has now is simple and lightweight, and proven (to not work on high power 4-bangers).
> 
> On 4/25/2011 3:23 PM, aminetech at bluefrog.com<mailto:aminetech at bluefrog.com> wrote:
> That's very unfortunate.  I think it would have worked great with your engine.  I've ridden in a cessna with a IO520 and the vibration seemed comparable to my Franklin.  My guess is that their insurance is forcing the restriction.
> 
> John
> 
> --- scott at tnstaafl.net<mailto:scott at tnstaafl.net> wrote:
> 
> From: Scott Derrick <scott at tnstaafl.net><mailto:scott at tnstaafl.net>
> To: reflector <reflector at tvbf.org><mailto:reflector at tvbf.org>
> Subject: REFLECTOR: Fwd: Re: Looking at the Magnum
> Date: Mon, 25 Apr 2011 09:44:15 -0600
> 
> -------- Original Message --------
> Subject:        Re: Looking at the Magnum
> Date:   Mon, 25 Apr 2011 08:10:34 -0700
> From:   ivoprop <ivoprop at pacbell.net><mailto:ivoprop at pacbell.net>
> To:     Scott Derrick <scott at tnstaafl.net><mailto:scott at tnstaafl.net>
> 
> 
> 
> We will not be putting anymore Ivoprops on
> Lycoming powered aircraft due to
> vibration. We will put the propeller on the
> Continental up to the O300
> 
> 
> ----- Original Message -----
> From: "Scott Derrick" <scott at tnstaafl.net><mailto:scott at tnstaafl.net>
> To: <ivoprop at pacbell.net><mailto:ivoprop at pacbell.net>
> Sent: Saturday, April 23, 2011 4:27 PM
> Subject: Looking at the Magnum
> 
> 
>> HI,
>> 
>> I have a Velocity RG, with a 260hp  IO520
>> 
>> Is the Magnum available for this configuration?  Must be at least 3 blade.
>> 
>> I'm looking for inflight adjustable or constant speed.
>> 
>> thanks,
>> 
>> Scott
>> 
>> --
>> If you cannot work with love but only with distaste, it is better that you
>> should leave your work.
>> Kahlil Gibran
>> 
> 
> 
> 
> 
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> ------------------------------
> 
> Message: 2
> Date: Mon, 25 Apr 2011 15:44:59 -0600
> From: Scott Derrick <scott at tnstaafl.net>
> Subject: Re: REFLECTOR: Fwd: Re: Looking at the Magnum
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
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> End of Reflector Digest, Vol 73, Issue 75
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