Today's Message Index:
----------------------
1. 09:29 AM - Re: Prop pitch (Michael W. Meyer)
2. 10:33 AM - My Brakett air filter pie pan has holes (bvnj@yahoo.com)
3. 06:36 PM - Re: My Brakett air filter pie pan has holes (Gary Vogt)
4. 08:18 PM - Jaguar Cowl Rear Baffles question (b v)
Message 1
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Hi Gary,
That would be a really cool thing to see.
I'm doing well - Ali and I are in Kansas right now to see my family over the
Fourth. Ali had never seen the grand canyon, so we flew over on one of the l
ow-altitude sightseeing corridors.
Today looks like it's going to be the BBQ extravaganza - my brothers have be
en smoking all sorts if stuff the last few days.
What's new with you?
Thanks,
Michael
Michael W Meyer
michael@flightsked.com
m: +1 781.248.7550
(sent from my iPhone, please excuse the brevity)
On Jun 29, 2011, at 13:56, Gary Vogt <teamgrumman@yahoo.com> wrote:
> Hi Mike,
>
> Long time no see.
>
> Talking about turbine blades . . . . while going to school at the Von Kar
man Institute for Fluid Dynamics in Belgium, we did flow visualization using
fine dust particles, smoke, and lasers. We watched the flow separation and
turbulence at the blade tips on a jet engine turning 10 to 10,000 rpms. It
was pretty cool. I don't recall the gap to the wall but I know it was clos
e.
>
> So, Mike, How are things? Stop by some time and bring the Mrs.
> Gary
>
> From: Michael W. Meyer <michael@flightsked.com>
> To: "teamgrumman-list@matronics.com" <teamgrumman-list@matronics.com>
> Sent: Wed, June 29, 2011 5:23:16 AM
> Subject: Re: TeamGrumman-List: Prop pitch
>
> Navy steam turbines exhibit something called blade creep - they will get l
onger over life due to the centrifugal force and thermal cycles they experie
nce. However, those turbines are in continuous operation for long periods of
time, we're talking about the fine tolerances of turbine assemblies, and it
still takes a ship's lifetime to show up. The metallurgy's very different b
etween steam turbine blades and our propeller blades, but I still kinda doub
t it happens to a noticeable degree given the lack of a high temperature env
ironment and relatively low duty cycle of our props.
>
> Thanks,
> Michael
>
> Michael W Meyer
>
> michael@flightsked.com
> m: +1 781.248.7550
>
> (sent from my iPhone, please excuse the brevity)
>
> On Jun 29, 2011, at 3:59, Bruce Smith <haveblue1@mac.com> wrote:
>
>> Gary,
>>
>> No personal experience with this. It was a topic that came up over a fly-
out dinner to Reading PA the other day. It seems that with all the load comp
onents (centrifugal and lift), the blades might change.
>>
>> Bruce
>>
>> On Jun 28, 2011, at 10:46 PM, Gary Vogt wrote:
>>
>>> Bruce,
>>>
>>> That's a very good question. My opinion is that there is enough elastic
ity in the blade that it should not change pitch over time. That is just a g
uess.
>>>
>>> Why? Do you have a prop with mixed pitches?
>>>
>>> Gary
>>>
>>> From: Bruce Smith <haveblue1@mac.com>
>>> To: teamgrumman-list@matronics.com
>>> Sent: Tue, June 28, 2011 6:52:23 PM
>>> Subject: TeamGrumman-List: Prop pitch
>>>
>>>
>>>
>>> href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.
matronics.com/Navigator?TeamGrumman-List
>>> href="http://forums.matronics.com">http://forums.matronics.com
>>> href="http://www.matronics.com/contribution">http://www.matronics.com/
contribution
>>>
>>>
>>
>
>
>
>
>
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Message 2
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| Subject: | My Brakett air filter pie pan has holes |
Guys,
My Brakett air filter bottom pie pan has several holes in it. Please see the
picture. They don't make sense to me because I think that they let unfilt
ered air into the carb. Are those holes supposed to be there? Why?
A related subject. Is challenger filter installed with pie pans? Does it com
e with it's own pans or is one supposed to reuse the original ones? Does any
body have experience with challenger on 78 tiger? It looks like it may not b
e a good fit:
http://m831.photobucket.com/image/improper%20filter%20tiger/airmaster1/Chall
enger%20VS%20Brackett%20air%20filter/IMG_3783-1.jpg.html?o=0
Thank you,
Boris.
On Jul 2, 2011, at 2:22 PM, bvnj@yahoo.com wrote:
> Hi Gary,
>
> My cabin heat scat tube has a splitter. 3 inch line goes to exhaust pipe s
hroud and a 1inch line used to go to nose bowl diaphragm to supply fresh air
. Do you know what it is for? My guess is that without it the hot air is too
hot and it could damage the plastic defroster vents and maybe even windshie
ld.
> I don't see where does this 1 inch line connects to now. Where have you be
en connecting it to?
>
> Thank you,
> -Boris
<pre><b><font size=2 color="#000000" face="courier new,courier">
</b></font></pre></body></html>
Message 3
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| Subject: | Re: My Brakett air filter pie pan has holes |
Hi Boris,
You can get a new cover from Fletcher. It isn't supposed to have those holes.
I've seen a lot of weird things. This is just another example of someone who
doesn't know what they're doing.
As for the Challenger air filter, I tried it on mine. I noticed the CHT/EGT
spread was worse with the Challenger. Your mileage may vary.
Gary
________________________________
From: "bvnj@yahoo.com" <bvnj@yahoo.com>
Sent: Sun, July 3, 2011 10:30:50 AM
Subject: TeamGrumman-List: My Brakett air filter pie pan has holes
Guys,
My Brakett air filter bottom pie pan has several holes in it. Please see the
picture. They don't make sense to me because I think that they let unfiltered
air into the carb. Are those holes supposed to be there? Why?
A related subject. Is challenger filter installed with pie pans? Does it come
with it's own pans or is one supposed to reuse the original ones? Does anybody
have experience with challenger on 78 tiger? It looks like it may not be a good
fit:
http://m831.photobucket.com/image/improper%20filter%20tiger/airmaster1/Challenger%20VS%20Brackett%20air%20filter/IMG_3783-1.jpg.html?o=0
Thank you,
Boris.
On Jul 2, 2011, at 2:22 PM, bvnj@yahoo.com wrote:
> Hi Gary,
>
> My cabin heat scat tube has a splitter. 3 inch line goes to exhaust pipe shroud
>and a 1inch line used to go to nose bowl diaphragm to supply fresh air. Do you
>know what it is for? My guess is that without it the hot air is too hot and it
>could damage the plastic defroster vents and maybe even windshield.
>
> I don't see where does this 1 inch line connects to now. Where have you been
>connecting it to?
>
> Thank you,
> -Boris
<pre><b><font size=2 color="#000000" face="courier new,courier">
href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List</a>
href="http://www.matronics.com/contribution">http://www.matronics.com/contribution</a>
</b></font></pre>
Message 4
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| Subject: | Jaguar Cowl Rear Baffles question |
Hi Gary,
I am not sure I am instlling the rear baffles 550400-6 and 550400-3 where they
join under the hinge. The original right baffle had a step in it and they both
were joined and bolted to the bracket that is attached to the two top bolts of
the accessory case.(part 5502012-11).
Q 1: The Jaguar Cowl install manual doesn't mention it, but I imagine the the rear
baffles are still attached to this bracked, arent' they?
Jaguar rear baffles don't have a step so when I try to connect them and attach
them to the bracket, I need to bend them, the right one more than the left one.
If I do so, they are slanted at an angle in the relationship to the accessory
case flange and the right one is bent back, which is probably not good for smooth
air flow.
Another option would be to make another bracket that would serve as a step, similar
to the step in original baffle.
Q 2: How have you been installing those baffles, slanted or with another bracket
or some other way?
Q 3: How much space should there be between the baffles and the hinge horizontally
and vertically - 1/2 inch, like everywhere else? Mine have no space right
now and I just want to make sure before cutting.
Q 4: On the pictures in the manual it looks like your baffles are painted. I am
guessing you had mine etched and alodined before you sent them, right? Can I
leave them as is or do they have to be painted? What kind of paint? From a can
from auto parts store?
Thank you,
-Boris
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