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RotaxEngines-List Digest: 4 Msgs - 01/16/17

 
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jetguy(at)att.net
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PostPosted: Tue Jan 17, 2017 4:30 pm    Post subject: RotaxEngines-List Digest: 4 Msgs - 01/16/17 Reply with quote

Roger, I think the reason why some of us are considering silicone coolant hoses is because the would last longer thus moving away from the 5 year replacement. What do you think?
John

On Tuesday, January 17, 2017 6:22 PM, John Albury <jetguy(at)att.net> wrote:



Test

On Tuesday, January 17, 2017 2:15 AM, RotaxEngines-List Digest Server <rotaxengines-list(at)matronics.com> wrote:



*

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----------------------------------------------------------
  RotaxEngines-List Digest Archive
    ---
  Total Messages Posted Mon 01/16/17: 4
----------------------------------------------------------


Today's Message Index:
----------------------

1. 05:41 AM - Re: Rotax Cylinder Head temperature gauge (Roger Lee)
2. 05:49 AM - Re: Coolant Hose (Roger Lee)
3. 06:32 AM - Re: Re: Coolant Hose (Max Free)
4. 11:06 AM - Re: Coolant Hose  (Roger Lee)



________________________________ Message 1 _____________________________________
Time: 05:41:49 AM PST US
Subject: Re: Rotax Cylinder Head temperature gauge
From: "Roger Lee" <ssadiver1(at)yahoo.com (ssadiver1(at)yahoo.com)>
I'm with Jetguy. Try them and see what they read.

--------
Roger Lee
Tucson, Az.
Rotax Instructor &amp; Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056
Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=465133#465133
________________________________  Message 2 _____________________________________
Time: 05:49:08 AM PST US
Subject: Re: Coolant Hose
From: "Roger Lee" <ssadiver1(at)yahoo.com (ssadiver1(at)yahoo.com)>
99% of the Rotax engines don't use silicone coolant hoses and they have run just
fine since 1990. Just use a good grade of 1" coolant hose. If the hose is not
at least 2" away from and exhaust pipe put some heat shield on that area. Hoses
like Gates Green Stripe are 4 ply.
Silicone hoses won't hurt, but aren't necessary.

You are supposed to be changing hoses every 5 years along with other rubber parts.
Not doing this is a roll of the dice. I think you just found out that isn't
worth it.

If this was an issue the entire Rotax engine users around the world would be busting
hoses.

--------
Roger Lee
Tucson, Az.
Rotax Instructor &amp; Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056
Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=465135#465135
________________________________ Message 3 _____________________________________
Time: 06:32:46 AM PST US
From: "Max Free" <mcointe(at)free.fr (mcointe(at)free.fr)>
Subject: RE: RotaxEngines-List: Re: Coolant Hose
Quote:
99% of the Rotax engines don't use silicone coolant hoses and they have
run just fine since 1990.

So true ! but
Quote:
You are supposed to be changing hoses every 5 years along with other
rubber parts. Not doing this is a roll of the dice. I think you just found

out that isn't worth it.
Silicone hoses don't have time limits so you can avoid to change them
according to legal authorities..

Cordialement
Max Cointe
mcointe(at)free.fr (mcointe(at)free.fr)

F-PLDJ DynAro MCR 4S
Kit #27-2002 1850 heures 912ULSFR/e-Props D100M

-----Message d'origine-----
De: owner-rotaxengines-list-server(at)matronics.com (owner-rotaxengines-list-server(at)matronics.com)
[mailto:owner-rotaxengines-list-server(at)matronics.com (owner-rotaxengines-list-server(at)matronics.com)] De la part de Roger
Lee
Envoy: lundi 16 janvier 2017 14:49
: rotaxengines-list(at)matronics.com (rotaxengines-list(at)matronics.com)
Objet: Re: Coolant Hose
99% of the Rotax engines don't use silicone coolant hoses and they have run
just fine since 1990. Just use a good grade of 1" coolant hose. If the hose
is not at least 2" away from and exhaust pipe put some heat shield on that
area. Hoses like Gates Green Stripe are 4 ply.
Silicone hoses won't hurt, but aren't necessary.

You are supposed to be changing hoses every 5 years along with other rubber
parts. Not doing this is a roll of the dice. I think you just found out that
isn't worth it.

If this was an issue the entire Rotax engine users around the world would be
busting hoses.

--------
Roger Lee
Tucson, Az.
Rotax Instructor &amp; Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056
Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=465135#465135
________________________________ Message 4 _____________________________________
Time: 11:06:40 AM PST US
Subject: Re: Coolant Hose
From: "Roger Lee" <ssadiver1(at)yahoo.com (ssadiver1(at)yahoo.com)>
But you still have fuel, oil and the 17mm coolant hoses which there is no good
US equivalent. You have carb rubber sockets, engine mounts, carb diaphragm, carb
balance tube rubber.

As an example real Teflon hoses for an RV12 fuel system will run $550 (approximately).
Those still have to go into fire sleeve and so would oil hoses. Most of
the time leaks and cracking show up at the clamped area and not mid hose unless
the hose is being rubbed or too close to an exhaust pipe. How do you inspect
hose under fire sleeve and under a clamp?

For $550 I can buy all my hoses a couple times over and that would take care of
me for 10-15 years.

Flying safe and with some peace of mind is worth your time. If you can't afford
to keep a plane's maint. up then flying may not be the best hobby for you. Throwing
any old piece of hose you can on the engine and clamping it in place may
make you a hazard waiting to hurt you and your passenger not to mention the
high cost of any repair.

Ask Huge what all this is going to cost by the time he's done?

--------
Roger Lee
Tucson, Az.
Rotax Instructor &amp; Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056
Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=465141#465141

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