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  #431  
Old 02-28-2018, 03:21 PM
JKintzle JKintzle is offline
 
Join Date: Dec 2012
Location: Lees Summit, MO
Posts: 13
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Hey Steve,
Just wanted to give a "non-scientific" speed update from my perspective. On Sunday I flew two 45 minute flights. The first from E. Kansas to Central Missouri (5,500 ft msl). The 2nd leg back to the Kansas City area (8,500 ft msl). Each leg was approximately 45 minutes. I had just installed two fuel fairings and two wing tie-down fairings.

My normal true airspeed generally averages 142-143 knots (24 rpm, 24 man. press). On the two legs flown I averaged 145 knots (fluctuated between 144-147) true airspeed both ways (24 rpm, 24 man. pressure). I was pleased in picking up approximately 2-3 knots with just those 4 small fairings added.

Like I said, not a scientific speed test, but it is noticeably faster than what I normally have seen, after three years of flying this plane. I just received the modified flap fairings in the mail today and look forward to getting those installed and expect another positive variance. Will be ordering the rudder (clevis bolt) fairings as well when you get them up on the website. In addition to speed gained, the fairings improve the aesthetics of the plane.
Great work! Jeff
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RV-9A. N43KK

Last edited by JKintzle : 03-01-2018 at 06:16 PM.
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  #432  
Old 02-28-2018, 05:19 PM
Steve Melton's Avatar
Steve Melton Steve Melton is offline
 
Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 1,578
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cool beans! let the ponies run.
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Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 600+ for all

Simplicity is the art in design.

see Amanda Melton for www.rvplasticparts.com
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  #433  
Old 03-03-2018, 04:49 AM
Steve Melton's Avatar
Steve Melton Steve Melton is offline
 
Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 1,578
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small button on rudder clevis fairing. we will see if it survives flight testing. needs some adjustment.

tail tie down fairing is looking better. contoured fit.















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Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 600+ for all

Simplicity is the art in design.

see Amanda Melton for www.rvplasticparts.com

Last edited by Steve Melton : 03-03-2018 at 04:58 AM.
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  #434  
Old 03-08-2018, 08:11 PM
Steve Melton's Avatar
Steve Melton Steve Melton is offline
 
Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 1,578
Default rudder clevis fairing

button added and flight tested. it's small but workable.










trim the long side of the cotter pin as the one next to my finger
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Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 600+ for all

Simplicity is the art in design.

see Amanda Melton for www.rvplasticparts.com
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  #435  
Old 03-08-2018, 08:14 PM
Steve Melton's Avatar
Steve Melton Steve Melton is offline
 
Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 1,578
Default rudder clevis fairing

install nut using the printed tool. tighten the nut to the cotter pin slot past contact. that's all that is needed. this was my original nut installation method without fairings. no change.


position the cotter pin long side up














lube at provided hole. the lube track extends under the bolt head to the bolt shank, where it is needed.
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Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 600+ for all

Simplicity is the art in design.

see Amanda Melton for www.rvplasticparts.com

Last edited by Steve Melton : 03-08-2018 at 08:38 PM.
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  #436  
Old 03-12-2018, 07:46 PM
Steve Melton's Avatar
Steve Melton Steve Melton is offline
 
Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 1,578
Default tail tie down fairing

grey to be a different color from the white wing tie down fairings. I'm not sure how I got that little chip in the side of the fuse but it's bugging me.









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Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 600+ for all

Simplicity is the art in design.

see Amanda Melton for www.rvplasticparts.com
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  #437  
Old 03-13-2018, 08:15 AM
aparchment's Avatar
aparchment aparchment is offline
 
Join Date: Oct 2005
Location: South Hamilton, MA
Posts: 515
Default Nice!

Nice work Steve! Thanks for continuing to bring nicely engineered pieces to market.
Antony
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RV-7A
Empenage complete, wings complete, tip-up canopy complete, starting wiring ...
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  #438  
Old 03-13-2018, 06:08 PM
Steve Melton's Avatar
Steve Melton Steve Melton is offline
 
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Location: Cincinnati, OH
Posts: 1,578
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thanks for the kind words. these are my form of artwork.
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Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 600+ for all

Simplicity is the art in design.

see Amanda Melton for www.rvplasticparts.com
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  #439  
Old 03-13-2018, 06:09 PM
Steve Melton's Avatar
Steve Melton Steve Melton is offline
 
Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 1,578
Default rudder pedal extension

sketching out. these first trials are going to look like the JDAirparts version to get a back to back weight comparison. JDAirparts rudder pedal extension = 72 grams.

option 2 could be a single bar version so that it doesn't trap mud.

option 3 could be multiple length extensions for a custom fit. such as distance from the bar... .5, .6, .7, .8. the one in the photo = .52 inch.

option 4 could be making these over center for a snap fit than then clamped with bolts. a safety feature.







over center snap fit with 10-32 self locking nuts




no mud version, these will be printed hollow with internal reinforcement for both strength and light weight


extended version, .65 inch from bar
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Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 600+ for all

Simplicity is the art in design.

see Amanda Melton for www.rvplasticparts.com

Last edited by Steve Melton : 03-16-2018 at 08:11 PM.
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  #440  
Old 03-15-2018, 11:55 PM
Jpm757 Jpm757 is offline
 
Join Date: May 2013
Location: Sherman, CT
Posts: 171
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A fairing similar to the other ones you have made, but for a GoPro would be awesome. The GoPro cube shape doesnít seem very aerodynamic, lots of guys put them outside their airplanes, and I donít believe anybody makes one.
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RV6 completed 1991 sold.
RV7 #72018 N767T first flight 11/21/2017 100+hrs.
2018 dues paid.
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