RV-List Digest Archive

Sat 03/13/10


Total Messages Posted: 4



Today's Message Index:
----------------------
 
     1. 12:23 PM - Slowing down the trim (jimbean6@verizon.net)
     2. 10:27 PM - seasoning brakes (thomas sargent)
     3. 10:34 PM - Re: Slowing down the trim (Vanremog@aol.com)
     4. 10:42 PM - Re: seasoning brakes (Vanremog@aol.com)
 
 
 


Message 1


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    Time: 12:23:32 PM PST US
    From: jimbean6@verizon.net
    Subject: Slowing down the trim
    We all know that the usual trim setup used in the RV's and others is very touchy. Early in building my RV-8 I built and installed a 9 volt power supply intending to power the headsets with it. Foolish boy, that doesn't work. Since the 9 volts was already there I tried it on the trim motor, leaving the trim indicator supply at 14 volts. Everything has been working fine with the trim just running slower, a good thing. I realize that most people will not want to bother installing a separate 9 volt supply but it does work. For those interested the shack 5 amp regulator has a schematic and parts list on the back of the package. Contact me off-line for my trim schematic. It is in autocad format. Jim Bean jimbean6@verizon.net RV-8 81110 80 hours.


    Message 2


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    Time: 10:27:10 PM PST US
    Subject: seasoning brakes
    From: thomas sargent <sarg314@gmail.com>
    I have just taxied my RV-6A a little bit. The brakes don't seem to hold very well if I rev. up to, say 1200 or so, and I remembered reading somewhere about seasoning the brakes. I think I need to do that before I try a real run-up to 1700 - 1800 RPM, otherwise, it will be very hard to hold the plane with the brakes. Can some one tell me how to do that? Something about braking while taxiing? How much, how fast, etc.? Thanks, -- Tom Sargent


    Message 3


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    Time: 10:34:03 PM PST US
    From: Vanremog@aol.com
    Subject: Re: Slowing down the trim
    PWM circuit is the proper way to do this without lowering motor torque, not a voltage regulator. Van's has proven servo controllers. -GV In a message dated 3/13/2010 12:24:04 P.M. Pacific Standard Time, jimbean6@verizon.net writes: Early in building my RV-8 I built and installed a 9 volt power supply intending to power the headsets with it. Foolish boy, that doesn't work. Since the 9 volts was already there I tried it on the trim motor, leaving the trim indicator supply at 14 volts. Everything has been working fine with the trim just running slower, a good thing. I realize that most people will not want to bother installing a separate 9 volt supply but it does work. For those interested the shack 5 amp regulator has a schematic and parts list on the back of the package. Contact me off-line for my trim schematic.


    Message 4


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    Time: 10:42:37 PM PST US
    From: Vanremog@aol.com
    Subject: Re: seasoning brakes
    A little research yields the following Cleveland (assuming your brakes are stock) literature attached. -GV In a message dated 3/13/2010 10:27:51 P.M. Pacific Standard Time, sarg314@gmail.com writes: I have just taxied my RV-6A a little bit. The brakes don't seem to hold very well if I rev. up to, say 1200 or so, and I remembered reading somewhere about seasoning the brakes. I think I need to do that before I try a real run-up to 1700 - 1800 RPM, otherwise, it will be very hard to hold the plane with the brakes. Can some one tell me how to do that? Something about braking while taxiing? How much, how fast, etc.? Thanks, -- Tom Sargent (http://www.matronics.com/Navigator?RV-List) (http://www.matronics.com/contribution)




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