Today's Message Index:
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1. 02:14 AM - Re: A Newbie from Malaysia (stevetosh)
2. 04:35 AM - Re: cabin space compaired to early Cherokee 140s (super58d)
3. 04:44 AM - Re: A Newbie from Malaysia (super58d)
4. 05:18 AM - Re: A Newbie from Malaysia (pilot4pay)
5. 04:22 PM - Re: A Newbie from Malaysia (Scott Stewart)
6. 07:58 PM - Re: cabin space compaired to early Cherokee 140s (mcjon77)
Message 1
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| Subject: | Re: A Newbie from Malaysia |
Hello Guys,
Please which one is better about shear, i can found hydraulic which is expensive,
and there is manual shear machine. So which one should i go for. But I found
a shear plan on 601.org but dont really understand the plan. Any advice?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=336977#336977
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| Subject: | Re: cabin space compaired to early Cherokee 140s |
I am still on my wings, and haven't actually sat in the back of a 640, but from
the one I scrutinized at AMD in Georgia it appears to have about the same dimensions
as a Cherokee. I think it's easier to get in and out of than a Cherokee
is though because you can get into both sides. I always thought you have to
be a contortionist to get into the Cherokee because of only having a right door.
--------
Mark
s/n 094
My Build Site:
http://www.mykitlog.com/stephen363/
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=336986#336986
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| Subject: | Re: A Newbie from Malaysia |
Scott and gang,
I reviewed the errata again and found something of note. I bought those new CAD
plans when they came out about a year ago and found something interesting.
Here is the errata in question:
"Drawing 640V1, Revision 4 - Item 1, Wing Spar Extension. The plans dimension
"~405" to the first lightening hole. Change this to 350 mm. 640V2 wing spar
extension assembly shows the lightening hole half-way between the two (L) pieces.
Adding the dimensions: 25 mm for spar cap overlap + 225 mm from overlap bend
to first (L) + 100 mm from first (L) to center of lightening hole = 350 mm."
My old plans had the distance at 405 like you said Scott, but the new CAD plans
have it as approx 305mm. Not the 350mm The errata page said it is supposed to
be. Zenair obviously fixed the mistake (but left the revision number the same)
but now we need to figure out if the 305mm or the 350mm is correct. Both pictures
of 640-V-2 show the lightening hole slightly closer to the inboard "L" angle
than the outer one. There is nothing out there really so I doubt 45mm difference
will matter at all though. Scott, I didn't want to update the errata
page until we got a resolution on which number is correct.
--------
Mark
s/n 094
My Build Site:
http://www.mykitlog.com/stephen363/
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=336987#336987
Message 4
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| Subject: | Re: A Newbie from Malaysia |
stevetosh wrote:
> Hello Guys,
>
> Please which one is better about shear, i can found hydraulic which is expensive,
and there is manual shear machine. So which one should i go for. But I found
a shear plan on 601.org but dont really understand the plan. Any advice?
Unless you plan on making a commercial venture out of your kit building, a manual
shear should be just fine. Many get by without a shear at all, but as a scratch
builder, it probably would save you time. On thin stock, scoring with an
Olfa knife works very well.
--------
Craig Smith
CH640 builder
SN: 0078
"Just think how stupid the average person is,
and then realize that half of them are even stupider!"
--George Carlin
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=336990#336990
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| Subject: | Re: A Newbie from Malaysia |
Hi Mark,
I went out to the hangar where my wings are stored to measure and photograph the
lightening hole. I used a crude measuring tape in the photograph just to demonstrate
the distances. (And please forgive the dirt collected in the wing while
in storage.)
You can see the rivet line versus the position of the lightening hole. I suggest
the 350mm dimension, but you can change this +/- 30 mm without affecting anything.
Moving it 45 mm is too much. Notice how the hole would overlap the vertical
"L" positioned at 250 mm from the edge of the wing spar extension.
--------
Scott Stewart
s/n: 0092
Building from plans
Rudder and Stabilator complete. Wings at 85%. Fuselage at 80%.
Construction slowed while I help a friend build his RV-9A.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=337071#337071
Attachments:
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http://forums.matronics.com//files/dsc00198a_203.jpg
Message 6
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| Subject: | Re: cabin space compaired to early Cherokee 140s |
Thanks, Mark!
The reason why I asked is that I always hear about how small the rear seats are,
but they look pretty similar to the rear seat area of the older Cherokees.
Good luck on your project!
--------
Jon McDonald
Building Sonex #1287
Next up CH 701 :D
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=337096#337096
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