REFLECTOR: Re:speed brake

Terry Miles terrence_miles at hotmail.com
Tue Sep 6 20:06:32 CDT 2005


Dave,
 Thanks.  I'll look into that.  I glassed in the rec'r pins on the gull
doors today and glassed the flange that will hold the instrument panel.
Moving along a great pace now.  Looks like that new Aerocomposite prop
will get here in October...I heard from them just today.    
terry

-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of David Scharfenberg
Sent: Tuesday, September 06, 2005 2:43 PM
To: Velocity Aircraft Owners and Builders list
Subject: REFLECTOR: Re:speed brake


Terry,

    I understand that you can have the toe brakes and leave the rudder 
interconnect parts out.  This would allow you to extend both rudders at 
once, like on the old system.

Dave Scharfenberg


On Sep 6, 2005, at 6:22 AM, Terry Miles wrote:

> I'm not flying yet, but I understand that (both rudders at once) 
> feature is not on later versions of the Velocity.
>
> New topic:  Rich, thanks for the pics of Oshkosh.
> Terry
>
> -----Original Message-----
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org]
> On Behalf Of Kufalk
> Sent: Monday, September 05, 2005 4:18 PM
> To: Velocity Aircraft Owners and Builders list
> Subject: Re: REFLECTOR: Cruise speed "speed brake"
>
>
> Terry wrote...   "Another thought only, how about a split rudder like
> the
> B-727."
>
>
> Don't all canard pushers already have split rudders?
>
> If you want to slow down from cruise speed without reducing power, why
> not just press both rudders at the same time?
>
> Darrell
>
>
>
> ----- Original Message -----
> From: "Terry Miles" <terrence_miles at hotmail.com>
> To: "'Velocity Aircraft Owners and Builders list'"
> <reflector at tvbf.org>
> Sent: Monday, September 05, 2005 6:32 AM
> Subject: RE: REFLECTOR: Cruise speed "speed brake"
>
>
>> Chuck,
>>
>> You can add me to the list of interested parties.  Here is all I
>> have. In a brief and non-technical exchange w/ Scott Baker on this 
>> topic back about 6 months ago, comments expressed at that time were 
>> that there was a general safety concern about the panel coming off at

>> higher airloads and going into the prop.  So a conservative speed 
>> limit was established and no testing was done above that speed.  And
> further there was no
>> interest in incremental deployment angles.   Another thought only,
how
>> about a split rudder like the B-727.  Only this one would split and
>> the low half both LH and RH would deflect into the slip stream.  The 
>> problem solved is not it out of the prop track, but the problem 
>> created is the deflection is way to far from centerline in the event 
>> of assym deployment malfunctions.  Good luck with this.  Keep us 
>> posted.
>>
>> Terry
>> XL-RG with a SB
>>
>> -----Original Message-----
>> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org]
>> On Behalf Of Chuck Harbert
>> Sent: Monday, September 05, 2005 3:54 AM
>> To: reflector at tvbf.org
>> Subject: REFLECTOR: Cruise speed "speed brake"
>>
>>
>> Scott, I too have wondered if there was a way to install a high speed
>> speed brake like the one on the Mooney 201 that pops up on the upper 
>> surface of the wing to kill the lift. It was great to get down in a 
>> hurry without puting the engine at idle. I wondered if you could 
>> install this electrically
>> activated "fence" at the outboard edge of the strake in the wing bolt
>> cavity, or inside the wing attached to the spar? They're not that
> large
>> as I
>> recall. They fail safe in the down position and have a warning light
>> when deployed, as I recall.
>>
>> I think that this might be a better way because it kills lift, rather
>> than just dirtying up the plane, and possibly making it unstable. I 
>> have the underbelly speed brake in my RG and it definetely works well

>> for landing, but I'd love to have a real speed brake. I'll try to get

>> a look at the Mooney's speed brake and send everybody the info.
>>
>> Chuck H
>>
>>
>> -------------------------
>> Scott Derrick wrote:
>>
>>> I think the standard speed brake is limited to 120 knot extension
>>> speed.  Which limits its uses to in the pattern.
>>>
>>> Has anybody experimented with beefing it up to allow higher speed
>>> extensions?  Like 175 knots?  This would make it a true speed brake.
>>>
>>> I would like something I could deploy at cruise to enable a cruise
>>> speed descent without shock cooling the engine.
>>>
>>> What would you think would be needed to do this?  bigger hinges?
>>> bigger actuator?  carbon fiber door?
>>
>>
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