X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=RZTu9Glv c=1 sm=1 tr=0 a=U5N5I5pY8znGWk12i5Iyjg==:117 a=x7bEGLp0ZPQA:10 a=A-0mRrAPPO4A:10 a=nTHF0DUjJn0A:10 a=Z6IAMukjAAAA:8 a=_6GpL_ENAAAA:8 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=5kgCHx-JAAAA:8 a=HZJGGiqLAAAA:8 a=C_IRinGWAAAA:8 a=TJ6AEixumXwcXZYiVSYA:9 a=v-QdnNPuNP5wMf-7:21 a=lsFSYKc3hj6U5pLV:21 a=QEXdDO2ut3YA:10 a=wIusUbz0voXE-TgJrC0A:9 a=kwjtGpNRwvpR_BZ6:21 a=asgno6_TT-8ecVYk:21 a=2Ugkh-KkF3_P8sOw:21 a=AMhPUjT5VuDbu17j5p_e:22 a=Urk15JJjZg1Xo0ryW_k8:22 a=r8ZRCeaX8sBb4OpKaTiC:22 From: "Charlie England ceengland7@gmail.com" Received: from mail-io1-f53.google.com ([209.85.166.53] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 398855 for flyrotary@lancaironline.net; Sun, 21 Jun 2020 08:51:44 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.166.53; envelope-from=ceengland7@gmail.com Received: by mail-io1-f53.google.com with SMTP id a12so2923715ion.13 for ; Sun, 21 Jun 2020 05:51:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=CUpSqt+NCVZVb8FL4nNxU77MAdF4KMGxk6RnpHb5EfA=; b=X51VyjRZ4K15b597T/INhq45NIh7nD7rQc93TAk/lk0veMqkW3OE2aESEgWRleZReg Cjp3l3WAvCBAZ80m4aOPWph65+Ab1GHmJyU1MjUvr3H1O52TIoK5UgnYySMr3xA8fQsF P61K9mEZlL4B2ujJ37d5Ux9OGd8kxjzgaN7UQh5VD5aJeZ6zQzjWqiGgPlyj9y8ZefvC XmwJ7V90UNKOdQNRDZZmOmFlRBtTRK/pfz0sCUnKAEAnMyhKrnjkJQ+HlM2IJwdKmzLv QdKT88+WyEdeOByhCz40gwHeDKqpr9rJNq2inaWJ0RRQGBmK0V7F2fp+lIBU92TOx6r/ 1aSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=CUpSqt+NCVZVb8FL4nNxU77MAdF4KMGxk6RnpHb5EfA=; b=g9cjYPJKT9VW19eDTvkBTxJH+/NfcBIHe5b3wR9eJEI+wfUhDqg+3t4EMqXcZsUJlw GCdbUPAvkcneTXloHZWzp9jOPdaNXrLYjtAMTEq9pgKXK5SonHmnTMJRVWV4uYl1Ks31 YBf71SGaAWTPpS6YE3R7Ep1DMZbx09bVc73kwfwaCa60G045NJS4Ve55N/O6qDh2RA+r H5P4IAhnqGnjikBFXXIXA9e99Z0X0dwIGeplc+/Vpct/V+BJGiO4s9HpinOY4161J4E3 a1Sv3G4iW+hk8NQ7E9qnIDQaNP2DekFjObleC22FReyP6kqqv3lE3AFJTcjc+FFFhu2E ID8Q== X-Gm-Message-State: AOAM530pwodi54dUVsGTEGuKjkafmaGOyZDQ+mmtMfY6XpTHj5P+Fagj ayEGBBACrVTFC5XduYwuWnCWBaXlyv+Ho6AP38U9AA== X-Google-Smtp-Source: ABdhPJwqJI1y3KEcqvLBta2eoS/B4RRPZWEouloD4PJjZZeuE/RdIo0NUGfBEFPXkMbrjjJjez0+yKWKe1qOV4xFKc4= X-Received: by 2002:a02:6a4d:: with SMTP id m13mr12397927jaf.19.1592743886906; Sun, 21 Jun 2020 05:51:26 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: Date: Sun, 21 Jun 2020 07:44:39 -0500 Message-ID: Subject: Re: [FlyRotary] Re: Radiator Clamp Question To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="00000000000098eadb05a89795c5" --00000000000098eadb05a89795c5 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable To avoid the 'biting' issue, you can now purchase 'liner' worm drive clamps that have an extra length of stainless strap on the inside without the slots for the worm. The un-slotted length protects the hose from extruding through the slots in the main strap. Silicone hose sellers strongly recommend them. ex: https://www.verociousmotorsports.com/Shop-by-Category/Hose-Clamps/Liner-Hos= e-Clamp-Stainless-Steel Also, T-bolt clamps (tighter size ranges, though). ex: https://www.verociousmotorsports.com/Shop-by-Category/Hose-Clamps/T-Bolt-Ho= se-Clamp-Stainless-Steel Charlie Virus-free. www.avast.com <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> On Sun, Jun 21, 2020 at 12:31 AM William Jepson wrjjrs@gmail.com < flyrotary@lancaironline.net> wrote: > Dave is certainly correct, if your install allows doing everything in AN > fittings you can=E2=80=99t go wrong. It is expensive and the large size f= ittings > can be hard to find, but can=E2=80=99t be beat for security. The worm dri= ve clamps > can bite into your hoses so be cautious. About 1/100th of the cost of AN > fittings though. If you use AN hose with stainless steel braid use cautio= n > that the braid doesn=E2=80=99t rub on anything. It can cut through things= it rubs > against almost as well as a file. You can use shrink tubing over it to > prevent wearing through stuff. You can also buy it now with a safety > covering. > Bill J > > On Sat, Jun 20, 2020 at 4:01 PM David Leonard wdleonard@gmail.com < > flyrotary@lancaironline.net> wrote: > >> I agree about the oliker clamps. They make a nice fit but are often >> awkward to get the tool in place. >> >> I use AN fittings with SS braid hose for all the main oil and coolant >> hoses. Expensive but not compared to the overall cost of the project. = I >> use worm clamps for the smaller hoses like overflow bottles etc. I have >> never had an issue with them loosening. >> >> Dave Leonard >> >> On Sat, Jun 20, 2020 at 2:16 PM Todd Bartrim bartrim@gmail.com < >> flyrotary@lancaironline.net> wrote: >> >>> I have in the past, used crimp style clamps and punch-lok clamps as I'm >>> not crazy over worm gear clamps, but I'm now fully back to using worm g= ear >>> clamps. I don't recommend punch-lok clamps as it requires a hammer stri= ke >>> to set them and that just feels wrong. But the biggest argument in favo= ur >>> of worm gear clamps is the ease of field repairs. Crimp clamps don't le= nd >>> themselves well to this. And in tight quarters, while it may be possibl= e to >>> reach in with a tool to squeeze the clamp, it can sometimes be quite >>> difficult to have room to either twist off or cut the clamp off for rem= oval. >>> Due to my nature of always changing and experimenting, this is a >>> definite advantage of worm gear clamps. Even if the install is intended= to >>> be permanent in design, hoses can and do age, so at some point removing= the >>> clamp is inevitable. >>> >>> Todd Bartrim >>> >>> >>> On Sat, Jun 20, 2020 at 1:08 PM Thomas Mann tmann@n200lz.com < >>> flyrotary@lancaironline.net> wrote: >>> >>>> Anybody try Oetiker crimp style clamps? >>>> Nothing to unscrew there. >>>> >>>> >>>> >>>> ------------------------------ >>>> *From*: "Ernest Christley echristley@att.net" < >>>> flyrotary@lancaironline.net> >>>> *Sent*: Saturday, June 20, 2020 12:23 PM >>>> *To*: "Rotary motors in aircraft" >>>> *Subject*: [FlyRotary] Re: Radiator Clamp Question >>>> >>>> >>>> Also, in the past, I have turned the screw so the slot is parallel to >>>> the hose, then wrapped safety wire through the slot, around the screw >>>> housing and under the threaded end of the screw. >>>> >>>> On Saturday, June 20, 2020, 12:33:30 PM EDT, David COOK >>>> hoursaway1@comcast.net wrote: >>>> >>>> >>>> If it's a worm clamp bend free end over screw, will not loosen. >>>> >>>> On 06/20/2020 12:23 PM Thomas Mann tmann@n200lz.com < >>>> flyrotary@lancaironline.net> wrote: >>>> >>>> >>>> Good Morning, >>>> >>>> Question for the group ... >>>> Has anyone experienced a clamp in the cooling system loosening over >>>> time due to vibration? >>>> Do you safety wire them? >>>> Use a particular type of clamp (such as Oetiker) to avoid this >>>> situation? >>>> >>>> What's the recommendation? >>>> >>>> T Mann >>>> >>>> >>>> Virus-free. www.avast.com <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> --00000000000098eadb05a89795c5 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
To = avoid the 'biting' issue, you can now purchase 'liner' worm= drive clamps that have an extra length of stainless strap on the inside wi= thout the slots for the worm. The un-slotted length protects the hose from = extruding through the slots in the main strap. Silicone hose sellers strong= ly recommend them.
ex:
https://www.verociousmotorsports.com/Shop-by-C= ategory/Hose-Clamps/Liner-Hose-Clamp-Stainless-Steel
Also, T-bolt clamps (tighter = size ranges, though).
ex:
https://www.verociousmotorsports.com/Shop-= by-Category/Hose-Clamps/T-Bolt-Hose-Clamp-Stainless-Steel

Charlie


3D"" Virus-free. www.avast.com

On Sun, Jun 21, 2020 at 12:31 AM William Jepson wrjjrs@gmail.com <flyrotary@lancaironline.net> wrote:
Dave is= certainly correct, if your install allows doing everything in AN fittings = you can=E2=80=99t go wrong. It is expensive and the large size fittings can= be hard to find, but can=E2=80=99t be beat for security. The worm drive cl= amps can bite into your hoses so be cautious. About 1/100th of the cost of = AN fittings though. If you use AN hose with stainless steel braid use cauti= on that the braid doesn=E2=80=99t rub on anything. It can cut through thing= s it rubs against almost as well as a file. You can use shrink tubing over = it to prevent wearing through stuff. You can also buy it now with a safety = covering.
Bill J

On Sat, Jun 20, 2020 at 4= :01 PM David Leonard wdleonard@gmail.com <flyrotary@lancaironline.net> wrote:
I agree ab= out the oliker clamps.=C2=A0 They make a nice fit but are often awkward to = get the tool in place.

I use AN fittings with SS braid h= ose for all the main oil and coolant hoses.=C2=A0 Expensive but not compare= d to the overall cost of the project.=C2=A0 I use worm clamps for the small= er hoses like overflow bottles etc.=C2=A0 I have never had an issue with th= em loosening.=C2=A0=C2=A0

Dave Leonard
=
On Sat= , Jun 20, 2020 at 2:16 PM Todd Bartrim bartrim@gmail.com <flyrotary@lancaironline.net> wrot= e:
I have in the past, used crimp style clamps and punch-lok clamps as I&#= 39;m not crazy over worm gear clamps, but I'm now fully back to using w= orm gear clamps. I don't recommend punch-lok clamps as it requires a ha= mmer strike to set them and that just feels wrong. But the biggest argument= in favour of worm gear clamps is the ease of field repairs. Crimp clamps d= on't=C2=A0lend themselves well to this. And in tight quarters, while it= may be possible to reach in with a tool to squeeze the clamp, it can somet= imes be quite difficult to have room to either twist off or cut the clamp o= ff for removal.
=C2=A0 =C2=A0Due to my nature of always changing and ex= perimenting, this is a definite=C2=A0advantage of worm gear clamps. Even if= the install is intended to be permanent in design, hoses can and do age, s= o at some point removing the clamp is inevitable.=C2=A0

Todd Bartrim


On Sat, Jun 20, 2020 at 1:08 PM Thomas Mann tmann@n200lz.com <flyrotary@lancaironline.= net> wrote:
Anybody try=C2=A0Oetike= r crimp style clamps?
Nothing to unscrew th= ere.
=C2=A0
=C2=A0
=C2=A0
From: "Ernest Christley echristley@att.net" <f= lyrotary@lancaironline.net>
Sent: Saturday, June 2= 0, 2020 12:23 PM
To: "Rotary motor= s in aircraft" <flyrotary@lanca= ironline.net>
Subject: [FlyRotary] R= e: Radiator Clamp Question
=C2=A0
=C2=A0
Also, in the past, I have turned the screw so the slot is= parallel to the hose, then wrapped safety wire through the slot, around th= e screw housing and under the threaded end of the screw.
=C2=A0
On Saturday, June 20, 2020, 12:33:30 PM EDT, David COOK hoursaway1@comcast.net = <flyro= tary@lancaironline.net> wrote:
=C2=A0
=C2=A0
If it's a worm clamp bend free end over = screw, will not loosen.
On 06/20/2020 12:23 PM Thomas Mann tmann@n200lz.com <flyrotary@lancaironline.net> wr= ote:
=C2=A0
=C2=A0
Good Morning,
=C2=A0
Question for the group ...
Has anyone experienced a clamp in the cooling system loosening over t= ime due to vibration?
Do you safety wire them?
Use a particular type of=C2=A0clamp (such as Oetiker) to avoid this s= ituation?
=C2=A0
What's the recommendation?
=C2=A0
T Mann
=C2=A0

3D"" Virus-free. www.avast.com
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