Today's Message Index:
----------------------
1. 07:07 AM - Re: TW landing gear (Mcculleyja@aol.com)
2. 08:26 AM - Re: TW landing gear (Jerry Hey)
3. 11:02 AM - Re: TW landing gear (Mcculleyja@aol.com)
4. 08:47 PM - Re: Felix Prop (red)
Message 1
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| Subject: | Re: TW landing gear |
In a message dated 3/3/04 2:26:20 PM Eastern Standard Time,
j-winddesigns@thegrid.net writes:
> --> Tailwind-List message posted by: Jerry Hey <j-winddesigns@thegrid.net>
>
> According to Harmon Lange today, 6150 steel as specified in the TW
> plans for landing gear is no longer available. When he runs out of
> raw material, that will be it. A switch to 4140 steel will probably
> take place.
How about 4340 steel which is available from ACS? I made up a tailwheel
spring to Steve's specification of hardness and it performs well. This is a
chromium-nickel-molybdenum alloy with deeper hardenability than the 4140 series.
It
is usually refered to as a spring steel material and has 110,000 psi tensile
strength in the annealed condition. Any other experience with this particular
steel?
Jim McCulley
Message 2
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| Subject: | Re: TW landing gear |
Jim, the 4140 was a mistake on my part. The change will be to 4340.
Jerry
On Tuesday, March 9, 2004, at 10:06 AM, Mcculleyja@aol.com wrote:
> In a message dated 3/3/04 2:26:20 PM Eastern Standard Time,
> j-winddesigns@thegrid.net writes:
>
> --> Tailwind-List message posted by: Jerry Hey
> <j-winddesigns@thegrid.net>
>
> According to Harmon Lange today,=A0 6150 steel as specified in the TW
> plans for landing gear=A0 is no longer available.=A0=A0 When he runs out of
> raw material, that will be it.=A0 A switch to 4140 steel will probably
> take place.=A0
>
>
> How about 4340 steel which is available from ACS?=A0 I made up a
> tailwheel spring to Steve's specification of hardness and it performs
> well. This is a chromium-nickel-molybdenum alloy with deeper
> hardenability than the 4140 series.=A0 It is usually refered to as a
> spring steel material and has 110,000 psi tensile strength in the
> annealed condition.=A0 Any other experience with this particular steel?
>
> Jim McCulley
>
>
J-Wind Designs/Tailwind Times
3790 S. 600 W.
Albion, Indiana 46701
260-799-4507
Message 3
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| Subject: | Re: TW landing gear |
In a message dated 3/9/04 11:27:03 AM Eastern Standard Time,
j-winddesigns@thegrid.net writes:
> Jim, the 4140 was a mistake on my part. The change will be to 4340.
> Jerry
>
>
Thanks for the correction. Makes me feel more confident mine will hold up!
Jim McCulley
Message 4
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--> Tailwind-List message posted by: "red" <redswings@reds-headers.com>
Hi Brian,
I guess that I will not get it, thanks though.
I am just installing the fairings, I hope for that last time before flying.
I can't believe how much time it takes to do this stuff. Eventually maybe it
will be back into the air again.
Hope to see you at Baraboo,
Red
----- Original Message -----
From: "Brian Alley" <n320wt@yahoo.com>
<TailwindForum@yahoogroups.com>
Subject: Tailwind-List: Felix Prop
> --> Tailwind-List message posted by: Brian Alley <n320wt@yahoo.com>
>
> I have 68X74 Felix Bi-Cambered prop. It's to much
> pitch for my 150 hp 0320. So it's for sale. It should
> work much better on a 160 hp 0320. I wanted to offer
> it to the list before it goes on Ebay. If interested,
> contact me off the list or call me. I'm home tonight
> and will return to the shop Tuesday around noon.
> 304-872-7938 shop
> 304-562-6800 home
>
> =====
> BRIAN ALLEY (N320WT)
> CARBON FIBER COMPOSITES
>
> How are you going to win by a nose if you don't stick out your neck?
>
>
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