X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-db02.mx.aol.com ([205.188.91.96] verified) by logan.com (CommuniGate Pro SMTP 5.4.1) with ESMTP id 5084090 for flyrotary@lancaironline.net; Sat, 06 Aug 2011 14:41:21 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.91.96; envelope-from=Bktrub@aol.com Received: from imo-ma04.mx.aol.com (imo-ma04.mx.aol.com [64.12.78.139]) by imr-db02.mx.aol.com (8.14.1/8.14.1) with ESMTP id p76Iejbp020752 for ; Sat, 6 Aug 2011 14:40:45 -0400 Received: from Bktrub@aol.com by imo-ma04.mx.aol.com (mail_out_v42.9.) id q.12fd.9cb596 (55834) for ; Sat, 6 Aug 2011 14:40:41 -0400 (EDT) Received: from smtprly-dd03.mx.aol.com (smtprly-dd03.mx.aol.com [205.188.84.131]) by cia-md06.mx.aol.com (v129.10) with ESMTP id MAILCIAMD062-d40b4e3d8aa7219; Sat, 06 Aug 2011 14:40:40 -0400 Received: from Webmail-m112 (webmail-m112.sim.aol.com [64.12.232.220]) by smtprly-dd03.mx.aol.com (v129.10) with ESMTP id MAILSMTPRLYDD037-d40b4e3d8aa7219; Sat, 06 Aug 2011 14:40:39 -0400 References: To: flyrotary@lancaironline.net Subject: Re: [FlyRotary] Re: Fwd: Flex plate cracks Date: Sat, 06 Aug 2011 14:40:39 -0400 X-AOL-IP: 69.84.254.253 In-Reply-To: X-MB-Message-Source: WebUI MIME-Version: 1.0 From: bktrub@aol.com X-MB-Message-Type: User Content-Type: multipart/alternative; boundary="--------MB_8CE227F790BD89B_5DC_5C570_Webmail-m112.sysops.aol.com" X-Mailer: AOL Webmail 34007-STANDARD Received: from 69.84.254.253 by Webmail-m112.sysops.aol.com (64.12.232.220) with HTTP (WebMailUI); Sat, 06 Aug 2011 14:40:39 -0400 Message-Id: <8CE227F7902531F-5DC-2218E@Webmail-m112.sysops.aol.com> X-Spam-Flag:NO X-AOL-SENDER: Bktrub@aol.com ----------MB_8CE227F790BD89B_5DC_5C570_Webmail-m112.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii" Yup, I"m going to continue to fly mine if it checks out ok, until such a= time in the near future that we have a standarized fix.=20 Brian Trubee -----Original Message----- From: Kelly Troyer To: Rotary motors in aircraft Sent: Sat, Aug 6, 2011 10:42 am Subject: [FlyRotary] Re: Fwd: Flex plate cracks Bobby, =20 I hear you and agree............Unfortunatly in Dave's and Mark's cas= e they both are grounded until a fix is in place...........For the average NA 13B or Renesis the RX= 7 flexplate will probably give good service as long as it has no prior damage before flight.........= ....But in the case of the 20B (NA or Boosted) and Boosted 13B or Renesis it looks like a fix is in= order.............You are correct that Tracy will address the problem I am sure and a standardized= fix blessed by Tracy will be forthcoming........... Dave besides wanting to get back in the air is under a time constraint= to get in the air and tested=20 before the middle of September to race in the "Sportsman" class at Reno...= .......... =20 Kelly Troyer "DYKE DELTA JD2" (Eventually) "13B ROTARY"_ Engine "RWS"_RD1C/EC2/EM2 "MISTRAL"_Backplate/Oil Manifold "TURBONETICS"_TO4E50 Turbo From: Bobby J. Hughes To: Rotary motors in aircraft Sent: Saturday, August 6, 2011 10:51 AM Subject: [FlyRotary] Re: Fwd: Flex plate cracks The modified aftermarket part my work but I would prefer a "standardized"= solution be adopted. In my opinion the gearbox is one item in our unique= aircraft that should not be modified. The more hours we accumulate as a= group the faster any weak links will surface and be corrected. Three item= s have been identified within the last two years. =20 1. Pin size increase. I think Tracy has made a change for new gearboxes.= Since I'm running a supercharger I will be sending mine back for an upgra= de. 2. Harder rivets in the drive plate. I think Tracy has made the change for= new gearboxes. I'll replace mine if /when I see any wear. I painted the= area white so any smoke trail (or oil) is easy to see. 3. Flex plate. I'm sure Tracy will identify a solution for existing and ne= w gearbox customers. Until that happens I'll keep inspecting mine every fe= w hours. If the change is a custom RWS part and a few hundred dollars that= 's ok.=20 It also appears these items are showing up first / only on higher horsepow= er installations. Boosted and 20b's. I think we have a good gearbox and= as a group we're identifying and correcting the weak areas and making our= installations more reliable. In the near term Dave may need a one-off for= Reno. Buying, individually machining and balancing an aftermarket part,= that will likely be discontinued within a few years doesn't sound like a= longterm repeatable solution. Safety in numbers? Bobby ( no Hushpower II mufflers or overly tight water pump belts either) Sent from my iPad On Aug 6, 2011, at 1:03 AM, "Chad Robinson" = wrote: Cost, availability? On Aug 6, 2011 12:44 AM, "David Leonard" wrote: > And here is a good view showing the thickness. >=20 > On Fri, Aug 5, 2011 at 9:41 PM, David Leonard wrot= e: >=20 >> Well, I'd say that pretty well seals the fate of using flex plates. You >> guys all owe me a beer for finding the issue :-) >> >> Here are some pictures of the machined flywheel that Kelly turned us on= to >> (ACT prolite). Weight is now under 9 lbs. I think it is a good balance >> between weight and beefyness. Someone with better access to a CNC could >> make the mods quick and easy, and the mods to that start/addapter plate= are >> pretty easy. >> >> Here is the front side. >> >> -- >> David Leonard >> >> Turbo Rotary RV-6 N4VY >> http://N4VY.RotaryRoster.net >> http://RotaryRoster.net >> >> On Fri, Aug 5, 2011 at 6:08 PM, Charlie England wrote: >> >>> >>> >>> I was moving stuff around in the hangar today& picked up my salvage ya= rd >>> flex >>> plate. Found two 3/4" cracks: down from 9 o'clock& up from 3 o'clock >>> holes in >>> the pic. Plate has never flown AFAIK. >>> >>> Charlie >>> >>> >>> >>> >>> -- >>> Homepage: http://www.flyrotary.com/ >>> Archive and UnSub: >>> http://mail.lancaironline.net:81/lists/flyrotary/List.html >>> >>> >> >> >> >=20 >=20 > --=20 > David Leonard >=20 > Turbo Rotary RV-6 N4VY > http://N4VY.RotaryRoster.net > http://RotaryRoster.net ----------MB_8CE227F790BD89B_5DC_5C570_Webmail-m112.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="us-ascii"
Yup, I"m going to continue to fly mine if it checks out ok, until suc= h a time in the near future that we have a standarized fix.
 
Brian Trubee



-----Original Message-----
From: Kelly Troyer <keltro@att.net>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Sat, Aug 6, 2011 10:42 am
Subject: [FlyRotary] Re: Fwd: Flex plate cracks

Bobby,
 
   &= nbsp; I hear you and agree............Unfortunatly in Dave's and Mark's ca= se they both are grounded
until a fix is in= place...........For the average NA 13B or Renesis the RX7 flexplate= will probably
give good service= as long as it has no prior damage before flight.............But in= the case of the
20B (NA or Boosted)= and Boosted 13B or Renesis it looks like a fix is in order.............You are
correct that Tracy= will address the problem I am sure and a standardized fix blessed by Trac= y
will be forthcoming= ...........
  Dave besides= wanting to get back in the air is under a time constraint to get in the= air and tested
before the middle= of September to race in the "Sportsman" class at Reno.............=
 
Kelly Troyer
"DYKE DELTA JD2" (Eventually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold
"TURBONETICS"_TO4E50 Turbo

From: Bobby J. Hughes <= bhughes@qnsi.net>
To: Rotary motors in aircr= aft <flyrotary@lancairon= line.net>
Sent: Saturday, August 6,= 2011 10:51 AM
Subject: [FlyRotary] Re:= Fwd: Flex plate cracks

The modified aftermarket part my work but I would prefer a "standardi= zed" solution be adopted. In my opinion the gearbox is one item in our uni= que aircraft that should not be modified. The more hours we accumulate as= a group the faster any weak links will surface and be corrected. Three items have been identified= within the last two years.   

1. Pin size increase.  I think Tracy has made a change for new= gearboxes. Since I'm running a supercharger I will be sending mine back= for an upgrade.
2. Harder rivets in the drive plate. I think Tracy has made the chang= e for new gearboxes. I'll replace mine if /when I see any wear. I painted= the area white so any smoke trail (or oil) is easy to see.
3. Flex plate. I'm sure Tracy will identify a solution for existing= and new gearbox customers. Until that happens I'll keep inspecting mine= every few hours. If the change is a custom RWS part and a few hundred dol= lars that's ok. 

It also appears these items are showing up first / only on higher hor= sepower installations.  Boosted and 20b's. I think we have a good gea= rbox and as a group we're identifying and correcting the weak areas and ma= king our installations more reliable. In the near term Dave may need a one= -off for Reno. Buying, individually machining and balancing an aftermarket= part, that will likely be discontinued within a few years doesn't sound= like a longterm repeatable solution. Safety in numbers?

Bobby
( no Hushpower II mufflers or overly tight water pump belts either)


Sent from my iPad

On Aug 6, 2011, at 1:03 AM, "Chad Robinson" <crobinson@medialantern.com> wrot= e:

Cost, availability?
On Aug 6, 2011 12:44 AM, "David Leona= rd" <wdleonard@gmail.com>= wrote:
> And here is a good view showing the thickness.
>
> On Fri, Aug 5, 2011 at 9:41 PM, David Leonard <wdleonard@gmail.com> wrote:
>
>> Well, I'd say that pretty well seals the fate of using flex plate= s. You
>> guys all owe me a beer for finding the issue :-)
>>
>> Here are some pictures of the machined flywheel that Kelly turned= us on to
>> (ACT prolite). Weight is now under 9 lbs. I think it is a good ba= lance
>> between weight and beefyness. Someone with better access to a CNC= could
>> make the mods quick and easy, and the mods to that start/addapter= plate are
>> pretty easy.
>>
>> Here is the front side.
>>
>> --
>> David Leonard
>>
>> Turbo Rotary RV-6 N4VY
>> http://N4VY.RotaryRoster.net
>> htt= p://RotaryRoster.net
>>
>> On Fri, Aug 5, 2011 at 6:08 PM, Charlie England <ceengland@bellsouth.net>wrote:
>>
>>>
>>>
>>> I was moving stuff around in the hangar today& picked up= my salvage yard
>>> flex
>>> plate. Found two 3/4" cracks: down from 9 o'clock& up fro= m 3 o'clock
>>> holes in
>>> the pic. Plate has never flown AFAIK.
>>>
>>> Charlie
>>>
>>>
>>>
>>>
>>> --
>>> Homepage: http://www.flyrotary.com/
>>> Archive and UnSub:
>>> http:= //mail.lancaironline.net:81/lists/flyrotary/List.html
>>>
>>>
>>
>>
>>
>
>
> --
> David Leonard
>
> Turbo Rotary RV-6 N4VY
> http://N4VY.RotaryRoster.net
> <= A href=3D"http://rotaryroster.net/" rel=3Dnofollow target=3D_blank>http://= RotaryRoster.net


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