Today's Message Index:
----------------------
1. 08:06 AM - Re: Re: Digital Scale (Glenn Thomas)
2. 06:37 PM - Re: Machined tail hinges (Dick Navratil)
Message 1
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| Subject: | Re: Digital Scale |
I'm going to meet up with him soon and see if he did his whole plane that
way. He is pretty much done with all the woodwork.
When it is covered the fabric will hold it together anyway. (That was a
joke)
On 12/4/07, MikeD <mjdt@auracom.com> wrote:
>
>
>
> Glenn Thomas wrote:
> > Hi Mike,
> > I might have reacted a little quickly here. When I was starting out I
> would read a post on the forum, contemplate my approach and wonder if
> everything I had made thus far was junk, to learn later that it
> wasn't. That was very frustrating.
> >
> > The information on my website was put there because a friend of mine
> simply mixes 1:1 by mass using a scale considering this technique highly
> precise. I knew he visited my site and this was a subtle way of informing
> him. I still think my "discovery" is right. ...but your is most accurate
> and I will continue as you have described.
> >
> > Thanks,
> > Glenn
>
>
> No worries Glen - my writing style occasionally comes out a little
> bombastic anyhow. My intention with the quoted word "discovery" was to
> highlight the fact that while the 1:1 volume ratio (fr T-88 that is) is
> correct, amounts of each component required to achieve that are determined
> using the reactivity data which is concerned only with weight (well, mass
> actually), not volume. Mixing by weight is generally accepted in industry as
> the right way to do things where tight control of properties is important.
> No intent to scare people, but only to pass on some info to show how they
> may be able to exercise more precise control over the consistency and
> quality of their adhesive mixes - hard to argue with the positives there.
>
> If your friend was mixing 1:1 by weight in an attempt to improve accuracy
> over mixing 1:1 by volume, hoo boy was he on the wrong track!
> [Embarassed] ... he had in fact ensured every batch would be as messed up
> as the others!
>
> Mike D.
>
> --------
> Piet-builder-who-hopes-to-be-flying-next-summer
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=150528#150528
>
>
--
Glenn Thomas
Storrs, CT
http://www.flyingwood.com
Message 2
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| Subject: | Re: Machined tail hinges |
Mike and all
It is actually a friend of P.F. Beck who makes hinges and other parts. I
can't remember his name right now. If you can wait, he will be at Sun n
Fun, in the Wood Workshop in April and probably at Brodhead again. Yoy can
e mail P.F. Beck at PFBeck@barnwellsc.com and he can put you in touch.
Dick N.
----- Original Message -----
From: "Mike Whaley" <MerlinFAC@cfl.rr.com>
Sent: Tuesday, December 04, 2007 10:20 PM
Subject: Pietenpol-List: Machined tail hinges
>
> I bought a set of those hinges (the official start of my Piet project, I
> suppose...) I haven't used them yet but everyone I showed them to was
> impressed with the quality, especially for $40 for 9. IIRC they were made
> by
> P.F. Beck in North Carolina.
>
> -Mike
>
> Mike Whaley merlin@ov-10bronco.net
> Webmaster, OV-10 Bronco Association
> http://www.ov-10bronco.net/
>
>
> ----- Original Message -----
> From: "Ryan Michals" <aircamperace@yahoo.com>
> To: <pietenpol-list@matronics.com>
> Sent: Monday, December 03, 2007 1:20 PM
> Subject: [piet] RE: Pietenpol-List: Re: Vi Kaplers hinges
>
>
>> I am getting a little ahead of myself. I meant Brodhead '07.
>>
>>
>> do not archive
>>
>> Ryan Michals <aircamperace@yahoo.com> wrote:
>> Does anyone know who was selling the machined hinges adjacent to the
> Vi's hinges at Brodhead '08? I purchased the hinges but he had some other
> products I am interested in.
>>
>> Ryan M
>>
>> Scott Knowlton <flyingscott_k@hotmail.com> wrote:
>> .hmmessage P { margin:0px; padding:0px } body.hmmessage {
> FONT-SIZE: 10pt; FONT-FAMILY:Tahoma } Gents
>>
>> I purchased Vi's hinges three years ago at Broadhead. Bill is correct
> about the # 8 screws. I purchased 8-32 x 11/2 machine screws from Leavens
> Aviation in Toronto (ANM MS24693558) along with self locking nuts and
> washers. The countersink holes of Vi's hinges accept the machine screws
> heads perfectly.
>>
>> My two bits...
>>
>> Scott Knowlton
>>
>>
>>
>>
>> ---------------------------------
>> Subject: RE: Pietenpol-List: Re: Vi Kaplers hinges
>> Date: Mon, 3 Dec 2007 10:17:19 -0500
>> From: eng@canadianrogers.com
>> To: pietenpol-list@matronics.com
>>
>> Carson,
>> I don't have Vi's hinges, so this isn't speaking from personal experience
> with them, but...
>> BHP's plans show the empennage hinges to be mounted with #8 screws. Let's
> make the very safe assumption that these will be sufficient to carry the
> load (based on a total of four screws per hinge assembly - two for each
> component).
>> Based on the dimension you have given, the holes in your hinges are .156"
> (5/32" diameter holes). Don't know the precision of your measurement
> (measured with a caliper or a ruler). In any case, the screw size closest
> to
> that hole is a #8 screw (.164" diameter). If I were you, I would go with
> #8-32 hardware (length to suit your particular build conditions -
> depending
> whether you recess the hinges into the wood or not). See if the screws
> will
> fit in the holes as-is. If necessary, open the holes in the hinges with a
> 11/64" drill (11/64" = .171", which will give you a nice .007" clearance).
> As I understand it, Vi's hinges are made of cast aluminum, so it wouldn't
> be
> a surprise at all if the holes were not perfect.
>> If
>> ---------------------------------
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>
>
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