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Mikes RV-9A Web Site
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Date: 8-30-2008
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Number of Hours: 30.00
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Manual Reference:
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Brief Description: Instrument panel design - Sleepless nights!!!
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This has been an agonizing effort because I really thought I could design a nice all steam gauge IFR panel "on the cheap". Well.... WOW, individual instruments & gyros have REALLY gone up in price!! As it turns out, for an additional $2,700 I can have an all glass dual Sport EFIS from GRT Avionics, including engine monitor, internal GPS and aviation data bases in each EFIS unit. This became a "no brainer". This avid steam gauge guy is going to end up with an "all glass panel". However, I am sticking with traditional LOC/GS instruments for IFR approaches. To have this info translated into the EFIS units requires and IFR certified digital radio receiver.... which costs an arm and a leg (or two). This significantly drives up the cost of a true all glass panel.
I put together layouts with AFS, dual Dynon's, single arrangements, etc etc. In fact, I put together 10 different panel combination designs and the dual Sport GRT seems to be the best for the price. I considered going to a larger single display (AFS 3500), but the loss of panel space becomes a problem, and frankly, I find the AFS display so "busy" it is visually overwhelming for me with too much data movement on the screen. I've printed this layout full size (Image 3), put it on the panel blank and sat in the fuselage to do the stretch and reach test. I was very happy to find I could easily reach everything, including the EIS monitor buttons. To me, the arrangement I've decided on, gives the best redunancy for the best price.
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All "Steam Gauge" design
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Hybrid panel (Adds $1,000)
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"All Glass" panel (Adds $2,700)
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