REFLECTOR: Speedbrake?

[lawrence epstein]

I am not flying a Velocity yet, but I can tell you that a speedbrakeis a big 
advanatge if you fly IFR in the Northeast. We get "Slam Dunks" here all the 
time. YOu can say "unable" but then you spend a lot more time flying in 
circles waiting for an approach clearance. The advantage of a speedbrake 
(over flaps in a spam cam) is you can retract at any time without losing any 
lift. On a pusher, also keeps the gravel off the prop ;-)

Larry Epstein


>From: "Chuck Jensen" <cjensen at dts9000.com>
>Reply-To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
>To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>Subject: Re: REFLECTOR: Questions for those already flying
>Date: Thu, 15 Mar 2007 13:13:45 -0400
>
>XLRG, no speed brake.  Advantage of no speed brake is simplicity, no
>inadvertant deployment or failure to retract on TO or go-around.
>Dropping the gear will get rid of altitude promptly if power is chopped.
>Besides, using the speed brake to dissipate altitude and speed is an
>energy waste.  Preplanning can make good use of both to get there faster
>while using less energy.  It's actually a pretty rare instance that ATC
>slam-dunks a person such that the brake is needed.  Even then, "unable"
>works equally as well.  Speed brakes seem to be very much a personal
>preference.  The best value I've heard of for the speed brake is it
>seems to cushion the nose area such that at touch down, the nose doesn't
>"plop" onto the runway as sharply.
>
>Chuck Jensen
>
>  -----Original Message-----
>From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
>Behalf Of Scott Derrick
>Sent: Thursday, March 15, 2007 12:09 PM
>To: Velocity Aircraft Owners and Builders list
>Subject: Re: REFLECTOR: Questions for those already flying
>
>
>I have an RG,
>
>I have a speed brake, use it most landings.
>
>I accidentally replied  about cabin heating to another posting on "oil
>cooler issues",  I'll repeat it again.
>
>I had a cold airplane in the winter.  Mainly due to two reasons.
>Inadequate sealing of the nose gear  mechanism and using the nose oil
>cooler as the cabin heater.  When its -20 outside, the nose oil cooler
>as a cabin heater is trying to raise the temperature at least 100
>degrees, 120/140 would be better if the plane is cold to start with. It
>just can't do it.
>
>I have a internal oil heated cabin heater now that will recirculate the
>cabin air which should be able to roast us alive.  Its not flown yet so
>can't say if y design works well or not.
>   .
>
>Scott
>
>
>Jack Prock wrote:
>
>	Hi,
>
>	A couple questions for those already flying...
>
>	If you didn't install a speedbrake, if you were to do it again
>would you install it?
>
>	If you did install a speedbrake, are you glad you did? Do you
>use it often?
>
>	I have heard that with RG's it is hard to heat the cabin at
>altitude and/or winter. If you could do
>	it again, would you still cut the NACA for the oil cooler? I
>have heard people using two coolers,
>	one near the engine to be used during the summer,  and another
>in the nose that
>	is used as a heater during the winter. Any thoughts?
>
>	Thanks,
>
>	Jack Prock
>
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>
>-
>     Liberty means responsibility. That is why most men dread it.
>
>     George Bernard Shaw, Liberty


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