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Message list:
1. [COUPERS-TECH] Correct tire inflations
2. Re: [COUPERS-TECH] Correct tire inflations
3. RE: [COUPERS-TECH] Correct tire inflations
4. RE: [COUPERS-TECH] Correct tire inflations
5. Re: [COUPERS-TECH] Correct tire inflations
6. [COUPERS-TECH] Nose gear shimmy
7. Re: [COUPERS-TECH] Nose gear shimmy
8. [COUPERS-TECH] Main Landing Gear (MLG)
9. [COUPERS-TECH] Weick's twin project - Ercoach
10. [COUPERS-TECH] Main Landing Gear (MLG)
Messages:
From: [EMAIL PROTECTED]
To: [email protected]
Reply-To: [EMAIL PROTECTED]
Subject: [COUPERS-TECH] Correct tire inflations
Hello all,
My wife Carole and I are proud owners of Ercoupe N415CB, (formerly
N87337),
which we bought last April. It's a 1946 415C, serial number 510.
My question is this; Can someone tell me the correct tire inflations? I
have
found conflicting information in several Ercoupe manuals. The nose wheel
is
5.00 x 5, and the mains are 6.00 x 6.
I have a fairly severe shimmy at landing speeds, which stops at about 40
mph
or so. There seems to be no shimmy on takeoff. I'm thinking that
incorrect
nose wheel inflation could be the culprit.
Bernie Wiklund
----------------------------
From: "Hartmut Beil" <[EMAIL PROTECTED]>
To: <[email protected]>
Reply-To: "Hartmut Beil" <[EMAIL PROTECTED]>
Subject: Re: [COUPERS-TECH] Correct tire inflations
17-20 psi on the nose and tightening the scissor bolts should get you less
or no shimmy.
Hartmut
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[email protected]>
Cc: <[EMAIL PROTECTED]>
Sent: Wednesday, March 01, 2006 7:20 PM
Subject: [COUPERS-TECH] Correct tire inflations
----[Please read http://ercoupers.com/disclaimer.htm before following any
advice in this forum.]----
Hello all,
My wife Carole and I are proud owners of Ercoupe N415CB, (formerly
N87337),
which we bought last April. It's a 1946 415C, serial number 510.
My question is this; Can someone tell me the correct tire inflations? I
have
found conflicting information in several Ercoupe manuals. The nose wheel
is
5.00 x 5, and the mains are 6.00 x 6.
I have a fairly severe shimmy at landing speeds, which stops at about 40
mph
or so. There seems to be no shimmy on takeoff. I'm thinking that
incorrect
nose wheel inflation could be the culprit.
Bernie Wiklund
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----------------------------
From: "Wood, Percy" <[EMAIL PROTECTED]>
To: [email protected]
Reply-To: "Wood, Percy" <[EMAIL PROTECTED]>
Subject: RE: [COUPERS-TECH] Correct tire inflations
You'll get all kinds of ideas on how to stop the shimmy. Check all nuts
tight on the scissors assembly, then tire balance.
Tire pressure is usually not the culprit.
Percy in NM
_____
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Wednesday, March 01, 2006 11:21 AM
To: [email protected]
Cc: [EMAIL PROTECTED]
Subject: [COUPERS-TECH] Correct tire inflations
----[Please read http://ercoupers.com/disclaimer.htm before following any
advice in this forum.]----
Hello all,
My wife Carole and I are proud owners of Ercoupe N415CB, (formerly
N87337),
which we bought last April. It's a 1946 415C, serial number 510.
My question is this; Can someone tell me the correct tire inflations? I
have
found conflicting information in several Ercoupe manuals. The nose wheel
is
5.00 x 5, and the mains are 6.00 x 6.
I have a fairly severe shimmy at landing speeds, which stops at about 40
mph
or so. There seems to be no shimmy on takeoff. I'm thinking that incorrect
nose wheel inflation could be the culprit.
Bernie Wiklund
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----------------------------
From: "Roy Stubbs" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>,<[email protected]>
Reply-To: "Roy Stubbs" <[EMAIL PROTECTED]>
Subject: RE: [COUPERS-TECH] Correct tire inflations
Also, you might check the tightness of the bolts holding the
"nutcracker." I had a similar shimmy and we traced it to the nutcracker
bolts.
I have the 4" nosewheel so my tire inflation values may be different
than yours.
Roy
Woodstock, GA
415-C #752
N70UF
________________________________
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Wednesday, March 01, 2006 1:21 PM
To: [email protected]
Cc: [EMAIL PROTECTED]
Subject: [COUPERS-TECH] Correct tire inflations
----[Please read http://ercoupers.com/disclaimer.htm before following
any advice in this forum.]----
Hello all,
My wife Carole and I are proud owners of Ercoupe N415CB, (formerly
N87337), which we bought last April. It's a 1946 415C, serial number
510.
My question is this; Can someone tell me the correct tire inflations? I
have found conflicting information in several Ercoupe manuals. The nose
wheel is 5.00 x 5, and the mains are 6.00 x 6.
I have a fairly severe shimmy at landing speeds, which stops at about 40
mph or so. There seems to be no shimmy on takeoff. I'm thinking that
incorrect nose wheel inflation could be the culprit.
Bernie Wiklund
========================================================================
======
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----------------------------
From: Sydney Cohen <[EMAIL PROTECTED]>
To:
Reply-To: Sydney Cohen <[EMAIL PROTECTED]>
Subject: Re: [COUPERS-TECH] Correct tire inflations
Tire pressure can be the problem, if the nose tire is over inflated.
Over inflation can push the tire out-of-round. Try 17 psi. As the
others said, loose scissors bolts can cause shimmy. They should be
tight enough to stop side play in the scissors but must still allow the
scissors to function. Weight down the tail with sandbags on the
horizontal stabilizer and see if the nose wheel still drops as it
should. Another thing to check is the amount of play in the nose gear
strut assembly. While the tail is weighted down try to push the nose
strut (p.n. 415-34085) front to back and side to side and see if it has
any play inside the nose gear cylinder (p.n. 415-34085). If so, the
internal bushings are worn, which will cause shimmy.
Syd
[EMAIL PROTECTED] wrote:
----[Please read http://ercoupers.com/disclaimer.htm before following any
advice in this forum.]----
Hello all,
My wife Carole and I are proud owners of Ercoupe N415CB, (formerly
N87337), which we bought last April. It's a 1946 415C, serial number 510.
My question is this; Can someone tell me the correct tire inflations?
I have found conflicting information in several Ercoupe manuals. The
nose wheel is 5.00 x 5, and the mains are 6.00 x 6.
I have a fairly severe shimmy at landing speeds, which stops at about
40 mph or so. There seems to be no shimmy on takeoff. I'm thinking
that incorrect nose wheel inflation could be the culprit.
Bernie Wiklund
==============================================================================
To leave this forum go to: http://ercoupers.com/lists.htm
----------------------------
From: "Justine Fowler" <[EMAIL PROTECTED]>
To: <[email protected]>
Reply-To: "Justine Fowler" <[EMAIL PROTECTED]>
Subject: [COUPERS-TECH] Nose gear shimmy
I had the same type of shimmy on my 415C and my AI could not find anything
wrong with the gear. We changed the tire(still good) and put on a new
Goodyear III and the shimmy was gone. Fred.
----------------------------
From: [EMAIL PROTECTED]
To: [email protected]
Reply-To: [EMAIL PROTECTED]
Subject: Re: [COUPERS-TECH] Nose gear shimmy
Couper's: Nose gear shimmy can be caused by many things besides the tire.
And allowing the shimmy to continue only makes matters worse. Besides all
the
things already mentioned, I have seen excessive play in the steering
collar,
both up and down and around the nose gear casing. Play in the control
column in
several areas, and play in the nose wheel steering linkages.
Lynn Nelsen
----------------------------
From: "aviators" <[EMAIL PROTECTED]>
To: <[email protected]>
Reply-To: "aviators" <[EMAIL PROTECTED]>
Subject: [COUPERS-TECH] Main Landing Gear (MLG)
Greetings,
Main Landing Gear Questions:
1. How often should one replace MLG shock pads "donuts" - number of
landings, years of service, hard landings, or any other reasons?
2. Would Belleville's springs offer a better alternative, if so where can
it
be purchased from?
Thanks -- Sean
----- Original Message -----
From: "John Cooper" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, February 28, 2006 10:16 AM
Subject: Re: [COUPERS-TECH] Bleeding Brakes
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advice in this forum.]----
At 10:01 PM 2/27/2006, ken carnahan wrote:
>I have two coups, thay have oil in the brake ., what is rite?
Do you mean what fluid is correct for the brakes? All coupe brake
systems should use MIL-5606 hydraulic fluid.
Wayne:
There are some differences between the 'Coupe system and the Alon
system. The coupe system shouldn't leak fluid out of the master,
only the reservoir.
I'm sure the "10 shots per side" would work just fine. Old habits
lead me to bleed the longest path first, then the shorter path. The
reasoning is to get the most air out fastest.
John Cooper, A&P
Skyport Services
PO Box 249
4996 Delaware Tnpk
Rensselaerville, NY 12147
518 797-3064
Fax 518 797-3865
www.skyportservices.net
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From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED], [email protected], [email protected]
Reply-To: [EMAIL PROTECTED]
Subject: [COUPERS-TECH] Weick's twin project - Ercoach
Bill,
Thanks for the correction on my Ercoach Twin engine project posting. I
admit
I was mislead by the pictures in "The Ercoupe, A Touch of
Class".......even
tho I had read about the Ercoach project in Fred's autobiography."From
the
Ground Up".pgs 227 - 229.....and even referenced the article in my e-mail
about
the twin.
Perhaps the pictures in "... A touch of Class", were of a later
project...?
By Alon ?, along with Alon's 4 place ???? Hope you have some information
on
this.
To set the record straight, the Ercoach was a twin engine, pusher prop
design, using twin tails, just like the Ercoupe. Projected use was 125 hp
engines
mounted in the wings...with shaft drives for the pusher props.
Again, its a shame that development stopped, as it would probably have
been
the first light twin on the market.
Fly Safe - Have Fun
Harry Francis
Elliston, VA
N93530
----------------------------
From: "Aviators" <[EMAIL PROTECTED]>
To: "Coupe-Tech" <[email protected]>
Reply-To: "Aviators" <[EMAIL PROTECTED]>
Subject: [COUPERS-TECH] Main Landing Gear (MLG)
Greetings,
Two Main Landing Gear Questions:
1. How often should one replace MLG shock pads "donuts" - number of
landings, years of service, hard landings, or any other reasons?
2. Would Belleville's springs offer a better alternative, if so where can
it
be purchased from?
Thanks -- Sean
----------------------------
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