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Old 06-03-2018, 12:23 PM
Jskyking Jskyking is offline
Join Date: Apr 2018
Location: Huntsville,AL
Posts: 25
Default RV14 Dimple Die Set

I’m gathering my tools in advance of beginning my R14 build. I’m purchasing a DDRT-2 next week and would like to get a list of the required Dimple Dies. Any information is greatly appreciated. Jt
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Old 06-03-2018, 02:32 PM
MED MED is offline
Join Date: Jul 2015
Location: Aiken, SC
Posts: 313

#30, #40, plus 6, 8, and 10 for dimpling for screws
N435MD reserved
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Old 06-03-2018, 03:40 PM
asw20c asw20c is offline
Join Date: Jun 2010
Location: Edgewood, NM
Posts: 155

And don't forget one narrow diameter #40 dimple die. You'll need that for some of the nutplate dimpling.
Empennage Complete Except for Tips
Wings Underway
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Old 06-03-2018, 07:55 PM
Tom023 Tom023 is online now
Join Date: Jul 2011
Location: Cypress, TX
Posts: 255

You may also want a 120 degree die for pulled rivets.
RV14A #140083
Down to last 5%.
2017 Donation
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Old 06-03-2018, 08:33 PM
JHartline JHartline is online now
Join Date: Dec 2012
Location: Carrollton, GA 5GA2
Posts: 181

Pull chapter 3 down from Vans website. I’m pretty sure they list all the dies with the exception maybe of the 120-Deg one. I studied that list a lot early on.
James Hartline
Carrollton, GA 5GA2
RV-14 - Finish and FWF in progress
T-Bolt IO-390
Maule MX7-180
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Old 06-04-2018, 08:53 AM
KeithB KeithB is offline
Join Date: Mar 2014
Location: Granbury, TX
Posts: 184

You will need a similar list for counter sinks - the 120° reminded me as countersink holes are even less forgiving. CS4 pulled rivets are 120°.
Keith Brown

RV-14A Builder - kit #136, XP-400 Aero Sport Power
N314KC - First flight Mar 8, 2017, >375 hrs
RV-6A sold
Sport Pilot (weight-shift control) - Airborne XT912
Dues paid 12/2018
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Old 06-04-2018, 09:15 AM
control control is offline
Join Date: Feb 2006
Location: Stockholm, Sweden
Posts: 569

In addition I suggest one cheap set of #30 and #40 , that you can grind down where/when needed.
RV-14 kit #140138
I have entered the 90% done, 90% left to do zone
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Old 06-04-2018, 11:48 AM
Jskyking Jskyking is offline
Join Date: Apr 2018
Location: Huntsville,AL
Posts: 25
Default Dimple Dies

Thanks for all the sage advice
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Old 06-04-2018, 02:33 PM
StressedOut StressedOut is offline
Join Date: Jun 2017
Location: Fullerton, CA
Posts: 122

I got all my dimple dies from Cleaveland Aircraft Tool in their RV tool kit. I'll break it down to required and optional.

3/32" standard die set
1/8" standard die set
#6 screw die set
#8 screw die set

3/32" close quarters die set (HIGHLY recommended! There are some tight areas where this is very useful)
3/32" modified male dimple (for tight areas)
3/32" small diameter female die (similar to modified male die for tight areas like flanges)
3/32" substructure dimple die set (dimples 0.011" deeper than the standard die for better fit of skin dimples in the ribs, spars, etc.)
3/32" fuel tank dimple die set (dimples 0.007" deeper than the standard die on the fuel tank skins to allow for wet install of fasteners with sealant without need for rivet shaving)
Tight fit dimpling fixture (I haven't used mine yet so maybe not worth it)

All of these dies are spring back dies and I can attest to the high quality of dimples these produce. I also use the DRDT-2 press dimpler and I get no distortion around the dimples. Make sure you follow the setup instructions properly and you'll be very happy with your dimples.
Art Jackson
RV-14A Kit#140433, N393AJ Reserved
Completed: Vertical Stab/Horizontal Stab
Scrapped: Rudder
Working on: Empennage (Elevator)
Construction log -
Dues paid on 10 October 2018
Member of EAA Chapter 92 (KCNO)
Pet peeve: "Lose" is the opposite of "find". "Loose" means "not tight".

Last edited by StressedOut : 06-04-2018 at 08:05 PM.
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Old 06-04-2018, 09:01 PM
mc607 mc607 is offline
Join Date: Apr 2014
Location: Canada
Posts: 16

Search “Dimple comparison” by Tom Martin before using/purchasing the sub structure die. IMO the larger resulting hole dia. is not worth any nesting benefits.
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