KIS-List Digest Archive

Sun 04/28/13


Total Messages Posted: 5



Today's Message Index:
----------------------
 
     1. 08:21 PM - Updated Nose Wheel Assembly Information (Galin Hernandez)
     2. 08:26 PM - Re: Updated Nose Wheel Assembly Information (Galin Hernandez)
     3. 08:47 PM - Re: Control Force Harmony (Flyinisfun@aol.com)
     4. 09:56 PM - Turbine (John Petrie)
     5. 11:27 PM - Re: Turbine (Scott Stearns)
 
 
 


Message 1


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    Time: 08:21:00 PM PST US
    From: Galin Hernandez <galinhdz@gmail.com>
    Subject: Updated Nose Wheel Assembly Information
    I updated the Nose Wheel Assembly information since it contained an error with the part number for the alternate rubber bushing. This version has the correct part number (90948-01003 GR4).


    Message 2


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    Time: 08:26:47 PM PST US
    From: Galin Hernandez <galinhdz@gmail.com>
    Subject: Re: Updated Nose Wheel Assembly Information
    Oops. I re sent the wrong one. Here is the CORRECT version dated 4/28/2013. On Sun, Apr 28, 2013 at 10:20 PM, Galin Hernandez <galinhdz@gmail.com>wrote: > I updated the Nose Wheel Assembly information since it contained an error > with the part number for the alternate rubber bushing. This version has the > correct part number (90948-01003 GR4). > > * > > * > >


    Message 3


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    Time: 08:47:54 PM PST US
    From: Flyinisfun@aol.com
    Subject: Re: Control Force Harmony
    Has anybody done a leading edge modification as suggested? What happened to that discussion? Jesse Wright In a message dated 4/23/2013 4:54:02 A.M. Mountain Daylight Time, jerzy_krasinski@sbcglobal.net writes: I forgot the exact number, would have to go to the airport and measurem but it was just below 2 inches. It was TR4 Jerzy ____________________________________ From: Galin Hernandez <galinhdz@gmail.com> Sent: Mon, April 22, 2013 5:05:43 PM Subject: Re: KIS-List: Control Force Harmony Jerzy.. How many inches did you add? Is this for the TR4 or TR1? On Mon, Apr 22, 2013 at 2:40 PM, jerzy krasinski <_jerzy_krasinski@sbcglobal.net_ (mailto:jerzy_krasinski@sbcglobal.net) > wrote: I added a couple of inches to the elevator extending it backwards. This increased authority of the elevator and increased forces on the elevator harmonizing the elevator and the ailerons without any additional mechano-electro-springo gizmos. Jerzy ____________________________________ From: Graham Brighton <_gbrighton@skymesh.com.au_ (mailto:gbrighton@skymesh.com.au) > Sent: Mon, April 22, 2013 1:57:09 AM Subject: Re: KIS-List: Control Force Harmony <_gbrighton@skymesh.com.au_ (mailto:gbrighton@skymesh.com.au) > Hi OC, Thx for ur great reply ... neat idea to work the Springs in compression ..... think i get it ok .. but would be good to see the install .... do ha ve any Pics at all .. ?? Cheers Graham . -------------------------------------------------- From: "Owen Baker " <_bakerocb@cox.net_ (mailto:bakerocb@cox.net) > Sent: Monday, April 22, 2013 5:23 AM (mailto:gbrighton@skymesh.com.au) >; "KIS-LIST MATRONICS" <_kis-list@matro nics.com_ (mailto:kis-list@matronics.com) > Subject: KIS-List: Control Force Harmony > --> KIS-List message posted by: "Owen Baker " <_bakerocb@cox.net_ (mailto:bakerocb@cox.net) > > > 4/21/2013 > > Hello Graham, You wrote: =9CAm surprised someone hasn't come up wi th some sort of fail safe dampener devise to enable Elevator input feel to be adjusted to harmonise together with Aileron input feel .... , probably the re is ... but i just haven't stumbled across it sob ..,!?? , anybody ..??, =9D > > There is such a device and I have one installed on my KIS TR-1. Read about it in my KIS list 1/7/2006 posting copied here: > > "1/7/2006 Hello Bill, There is more to this pitch trim by springs system than meets the eye. The typical system uses two springs in tension with an arm that moves the spring center connect point to adjust. This works, but as you have discovered has some sloppyness or imprecision to it. Maybe because the two springs are always in play. A local Glasair builder has developed a spring trim system that is superior. Can be used for pitch, ai leron, or rudder. It consists of two springs in compression between the ends of a tube and a rod sliding within that tube with a nylon slider block which ac ts as a center stop between the two springs. The slider block is normally connected to an electric trim positioning motor and the end of the rod is connected to the control surface bellcrank. The result is a much more posi tive repositioning capability of the trim center point and the fact that when either control input is made or aerodynamic forces move the control surfac e only one spring is in play, the one being compressed. Adjustment of the tr im center point is accomplished by operating the electric trim positioning motor. Contact me if interested in pursuing this idea further. OC" > > My motivation for installing this device was to accomplish pitch trim without having a tab installed on my elevator, it could also be installed for the purpose of changing pitch control forces with the trim capability just an added benefit. By changing the length of the tube and rod, the springs installed on each, and (for fine tuning) spacers on either the tube or rod to increase initial spring compression force one can achieve an almost infinite number of variable stick force required to move the elevator in e ither direction. > > OC > > PS: One caveat -- To take true advantage of this system for pitch trim one must have sufficient travel of the linear actuator to achieve the desired maximum nose up and maximum nose down pitch conditions desired. Th e puny 1.2 inch travel of a Ray Allen servo is not likely to do the job. > > ======================== === > > Saturday, April 20, 2013 7:54 AM > > Hi OC, > Sorry didn't mean something was specially wrong .... Is that most lighties share that common lack of harmony of control feel with roll and pitch .... , > With our Ailerons which are specially wholesome ( non tapered) .. some 'leverage' ... is going to be required .. (specially with increased speed ! ) ... > > Where as elevators are mostly light ..!? .. In theory achieving mechanical leverage advantage in equal measure to arrive at uniform contro l input between pitch and roll is straight fwd .... but carn't think of any ( admit am only ppl and not flown very many types ..!) .., that have achieve d it ..?! > > Playing with bell crank ratios is the logical way .. but would be super laborious I'm sure ... With my adjustable length stick ... roll is as light/heavy as my personal preference ( for whatever speed .. ) .... Howe ver pitch which is normally light gets lighter with extra leverage grrr .... Am surprised someone hasn't come up with some sort of fail safe dampener devise to enable Elevator input feel to be adjusted to harmonise together with Aileron input feel .... , probably there is ... but i just haven't stumbled across it sob ..,!?? , anybody ..??, > > Anyway am happy at present to retract down the stick for xcrountry legs and map reading/iPad etc ..., > > Just was that stick position came up that's all ... , > Cheers >= --> _http://forums.matronics.comsp; -nics.com/contribution" ====== _ (http://www.matronics.com/Navigator?KIS-List) et="_blank">http://www.matronics.com/Navigator?KIS-List tp://forums.matronics.com _blank">http://www.matronics.com/contribution href="http://www.matronics.com/Navigator?KIS-List">http://www.matronics.c tar get="_blank" href="http://forums.matronics.com">http://forums.matron--> _ (http://www.matronics.com/Navigator?KIS-List)


    Message 4


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    Time: 09:56:51 PM PST US
    Subject: Turbine
    From: John Petrie <jpetrie@sonicfactory.co.za>
    Hi all, It's been a while since I last posted on this group, largely due to the fact that I sold my KIS Cruiser. I am now looking for a new project and am considering buying my Cruiser back and fitting a turbine engine. I know absolutely nothing about turbines, and hence the reason for this post. If anyone can point me in the right direction or provide some other useful information, I'm all ears. Thanks a mil. John Petrie Sonic Factory 082 574 6190 Sent from my mobile


    Message 5


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    Time: 11:27:36 PM PST US
    From: Scott Stearns <sstearns2@yahoo.com>
    Subject: Re: Turbine
    Hi John,=0A-=0AWhat turbine are you thinking of?-- =0A-=0AThe first fact to learn is that turbine fuel is heavier per gallon than 100LL and no t as widely available as 100LL.- Also-things grow in-Jet-A and-"Pri st" or something is-usually used to keep anything from growing. -I don' t know-how Prist-reacts with-the epoxy.-- =0A-=0AIt is worth re membering that the most efficient aircraft engine ever mass-produced, to my knowledge, is the turbo-compound R-3350 from WWII.--My modified lyco ming 360 has a-best-specific fuel consumption of about 0.40, a good, cu rrent technology car engine can hit 0.35, the R-3350 turbo compound could d o 0.32.- A current technology PT-6 (king-air, TBM-700, etc) has a best SF C of 0.58.- SFC is Horsepower per pounds/hour of fuel.=0A-=0AIf your go al is a great airplane then I would recommend a lycoming 360 modified for e fficiency and performance.- There are some great parts out there today. - If you want to go really fast up high then a turbo 360 modified for eff iciency and performance.-- =0A-=0AIf a fun project is the goal and a turbine turns you on then have fun.=0A-=0AScott=0A =0A=0A________________ ________________=0A From: John Petrie <jpetrie@sonicfactory.co.za>=0ATo: "k is-list@matronics.com" <kis-list@matronics.com> =0ASent: Sunday, April 28, 2013 9:55 PM=0ASubject: KIS-List: Turbine=0A =0A=0A--> KIS-List message po sted by: John Petrie <jpetrie@sonicfactory.co.za>=0A=0AHi all,=0A=0AIt's be en a while since I last posted on this group, largely due to the fact that I sold my KIS Cruiser.=0AI am now looking for a new project and am consider ing buying my Cruiser back and fitting a turbine engine. I know absolutely nothing about turbines,- and hence the reason for this post. If anyone ca n point me in the right direction or provide some other useful information, I'm all ears.=0AThanks a mil.=0A=0AJohn Petrie=0ASonic Factory=0A082 574 6 =========================0A ======================




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