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02-26-2009, 03:45 PM
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Join Date: Jan 2008
Location: Pecan Plantation (0TX1)
Posts: 167
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Spinner Template
I?d like to get some ideas on how people did the more forward set of markings for the holes on the spinner. I drew out the initial set on the rear plate and did OK but the forward and smaller plate seems to be a bit more challenging. The plans don?t give me enough detail?at least what I can understand. Pictures or drawings would help my caveman brain.
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02-26-2009, 05:58 PM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Bart,
The spinner is pretty much see through. Mark the forward bulkhead and and you should be able to see the marks w/o any problem.
Using tape is a great way to get even spacing.
To make sure the thing is centered, I used a dial indicator, which I bolted to a ladder, and held down with bags of led shot.

__________________
Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
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02-27-2009, 10:40 AM
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Join Date: Jan 2008
Location: Pecan Plantation (0TX1)
Posts: 167
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Thanks
Seems easy enough for my brain...I knew there would be a simple solution.
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02-27-2009, 02:27 PM
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Join Date: Jan 2005
Location: Louisville, Ga
Posts: 7,840
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Hi Bart.......
....to expound a little on what Bill said, if you'll get a flexible cloth type measuring tape, measure the circumferance of the spinner while it's standing straight up as in Bill's picture. Carefully divide the result by 2 and mark opposite sides for starters. As you enlarge the openings, keep measuring the prop root for dimensions. BTW, we did this with the prop mounted on the airplane...cut and fit, cut and fit...
If you don't have a dial indicator, it's no biggie...just clamp a pointed object like a pencil to a step ladder or whatever and with a mark on the very tip of the spinner, rotate the engine and watch for any oscillation..(BTW, removing either upper or lower plugs is necessary because the compression strokes mess it all up and move the airplane), something you don't want.
We used cleco clamps to hold the spinner to the back plate while we rotated it and bumped it to center it.
Regards,
__________________
Pierre Smith
RV-10, 510 TT
RV6A (Sojourner) 180 HP, Catto 3 Bl (502Hrs), gone...and already missed
Air Tractor AT 502B PT 6-15 Sold
Air Tractor 402 PT-6-20 Sold
EAA Flight Advisor/CFI/Tech Counselor
Louisville, Ga
It's never skill or craftsmanship that completes airplanes, it's the will to do so,
Patrick Kenny, EAA 275132
Dues gladly paid!
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02-27-2009, 03:39 PM
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Join Date: May 2005
Location: Senoia, GA
Posts: 160
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template
Peter James posted a template from Hartzell on the matronics RV-10 board a while back. I used it a couple weekends ago. Worked out well. I didn't 100% trust the markings so I sanded to them gradually but ended up pretty much where I'd originally marked.
Not certain how to post the pdf file but sure someone else can grab it. Search for spinner on the rv10 matronics list and it'll show up.
Doug
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Doug
RV-7A N277DL flying 4-15-2004
RV10 N277CK flying 5-28-2010
www.oncloud7.com
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02-28-2009, 12:06 PM
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Join Date: May 2008
Location: ecru, ms
Posts: 22
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airbal
Don't drill the front spinner bulkhead. It's only function is to keep the spinner centered and not wobbling. Just center the spinner tightly on it and drill the rear bulkhead. If it is not tight. put washers behind the front bulkhead to space it forward. i used this method on my 8 and 7A.
warren
Last edited by airbal : 02-28-2009 at 01:56 PM.
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03-01-2009, 07:24 AM
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Join Date: Mar 2005
Location: Houston, TX
Posts: 438
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front spinner bulkhead
Are you sure about not drilling the front? The plans call for it to be drilled however I see your point. Seems like over kill to drill the front.
__________________
Daryl Tolliver
VAF 1086
Yes: I paid my =VAF= membership dues for 2020
RV-7A - N754RV: Status - Pink Slip is In! First Flight 8/23/12 - My First Flight 9/24/12!
Home from GloCustom for Paint! 3/16/13
957 hours and climbing
7th Condition Inspection complete 10/31/2019
Superior XP IO360 (180 HP), Hartzell Blended Airfoil, AF-5400 EFIS panel, Garmin Aera 660, TruTrak Vizion 385 AutoPilot, Dual Pmags
Houston, TX
Track: SPOT
Weiser Airpark (EYQ)
http://www.rv7a-factory.com
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03-02-2009, 11:08 AM
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Join Date: Mar 2007
Location: Denver, CO
Posts: 211
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Speed with Economy
Just finished Kent Pacer's book, I recall he specifically called out examples of people not mounting the front one properly as being a problem.
My 2 cents.
Dwight
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RV-10 #40762 - 100 hrs+
Denver, CO
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03-13-2009, 10:03 AM
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Join Date: Nov 2006
Location: Colorado Springs
Posts: 27
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Spinner front plate
The plans call out drilling holes and mounting nutplates in the S-603 on page 47-3. I think I used a bright shop light behind the spinner and a marker to outline the places to drill. It turned out pretty even.
Jay
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