[DeTomaso] FW: NPC Probably not new to you aeroheads but wow-
Kirby Schrader
kirby.schrader at gmail.com
Wed Jun 17 15:48:58 EDT 2015
Titanium airplane?
Sure!
The SR-71 Blackbird
On Wed, Jun 17, 2015 at 2:38 PM, Ken Green via DeTomaso <detomaso at poca.com>
wrote:
> What about damage to the hardened resin from the shock of an impact?
> Can that be measured?
> The Russians built the Alpha class subs in the late 70 with titanium
> hulls, I wonder why they didn't build titanium aircraft?
> Lilo BenZicron (was racing a vintage Mangusta) invented a material he
> named Barotex ([1]http://www.barotex.com/) to replace carbon fiber. He
> made a 20 pound rear deck for me that is very rigid. He said he
> visited Boeing, but because his material is new, he didn't get far with
> it. I have a visit planned to his shop in Silmar to learn more about
> making parts from Barotex. It is a lot cheaper than carbon fiber.
> Ken
> __________________________________________________________________
>
> From: Mike Drew via DeTomaso <detomaso at poca.com>
> To: gow2 at rc-tech.net; charlesmccall at gmail.com
> Cc: detomaso at poca.com
> Sent: Wednesday, June 17, 2015 12:26 PM
> Subject: Re: [DeTomaso] FW: NPC Probably not new to you aeroheads but
> wow-
> In a message dated 6/17/15 11 33 50, [2]gow2 at rc-tech.net writes:
> Ironically one of the problem with composites is repair. When you
> run
> something like carbon fiber in a solid line from wing tip to wing
> tip, if
> you punch it with an ice pick you have compromised the strength of
> the
> entire string.
> >>>...and I think that's something that may have been overlooked in
> the
> stampede towards CF construction of airliners. There are a lot of
> minimum-wage boneheads driving catering trucks and whatnot that
> routinely bump into the airplanes they are servicing, causing
> localized
> damage. Such airplanes are immediately withdrawn from service and
> undergo an inspection, and then often a localized patch is applied
> and
> the airplane is ready to go again in just a few hours. It's not
> uncommon to see airplanes with multiple such patches on the skin;
> eventually they will go for a heavy maintenance (akin to a ground-up
> restoration in automotive circles) and then the offending panels are
> removed and replaced with new ones.
> This begs the question--how does a CF airplane respond when a bozo
> crashes into it with a catering truck? CF doesn't 'ding' as far as I
> know. Can localized repairs be made?
> F-1 cars may prove reassuring in this regard. Recall that at this
> year's Montreal GP, Lewis Hamilton comprehensively smashed his car on
> the first day's practice, hitting the wall hard, pieces and parts
> flying everywhere etc. The whole side of the car was demolished;
> however the team was able to drag the wreck back to the garage and
> rebuild it overnight; he went on to win the race. So that gives some
> cause for optimism perhaps?
> Mike
> _______________________________________________
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>
> References
>
> 1. http://www.barotex.com/
> 2. mailto:gow2 at rc-tech.net
> 3. mailto:DeTomaso at poca.com
> 4. http://poca.com/mailman/listinfo/detomaso_poca.com
>
> _______________________________________________
>
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-------------- next part --------------
Titanium airplane?
Sure!
The SR-71 Blackbird
On Wed, Jun 17, 2015 at 2:38 PM, Ken Green via DeTomaso
<[1]detomaso at poca.com> wrote:
A A What about damage to the hardened resin from the shock of an
impact?
A A Can that be measured?
A A The Russians built the Alpha class subs in the late 70 with
titanium
A A hulls, I wonder why they didn't build titanium aircraft?
A A Lilo BenZicron (was racing a vintage Mangusta) invented a
material he
A A named Barotex ([1][2]http://www.barotex.com/) to replace carbon
fiber.A He
A A made a 20 pound rear deck for me that is very rigid.A He said
he
A A visited Boeing, but because his material is new, he didn't get
far with
A A it.A I have a visit planned to his shop in Silmar to learn
more about
A A making parts from Barotex.A It is a lot cheaper than carbon
fiber.
A A Ken
A A
A __________________________________________________________________
A A From: Mike Drew via DeTomaso <[3]detomaso at poca.com>
A A To: [4]gow2 at rc-tech.net; [5]charlesmccall at gmail.com
A A Cc: [6]detomaso at poca.com
A A Sent: Wednesday, June 17, 2015 12:26 PM
A A Subject: Re: [DeTomaso] FW: NPC Probably not new to you
aeroheads but
A A wow-
A A A In a message dated 6/17/15 11 33 50, [2][7]gow2 at rc-tech.net
writes:
A A A A Ironically one of the problem with composites is repair.
When you
A A A A run
A A A A something like carbon fiber in a solid line from wing tip
to wing
A A A A tip, if
A A A A you punch it with an ice pick you have compromised the
strength of
A A A A the
A A A A entire string.
A A A >>>...and I think that's something that may have been
overlooked in
A A the
A A A stampede towards CF construction of airliners.A There are a
lot of
A A A minimum-wage boneheads driving catering trucks and whatnot
that
A A A routinely bump into the airplanes they are servicing,
causing
A A localized
A A A damage.A Such airplanes are immediately withdrawn from
service and
A A A undergo an inspection, and then often a localized patch is
applied
A A and
A A A the airplane is ready to go again in just a few hours.A
It's not
A A A uncommon to see airplanes with multiple such patches on the
skin;
A A A eventually they will go for a heavy maintenance (akin to a
ground-up
A A A restoration in automotive circles) and then the offending
panels are
A A A removed and replaced with new ones.
A A A This begs the question--how does a CF airplane respond when
a bozo
A A A crashes into it with a catering truck?A CF doesn't 'ding'
as far as I
A A A know.A Can localized repairs be made?
A A A F-1 cars may prove reassuring in this regard.A Recall that
at this
A A A year's Montreal GP, Lewis Hamilton comprehensively smashed
his car on
A A A the first day's practice, hitting the wall hard, pieces and
parts
A A A flying everywhere etc.A The whole side of the car was
demolished;
A A A however the team was able to drag the wreck back to the
garage and
A A A rebuild it overnight; he went on to win the race.A So that
gives some
A A A cause for optimism perhaps?
A A A Mike
A A _______________________________________________
A A Detomaso Forum Managed by POCA
A A Posted emails must not exceed 1.5 Megabytes
A A DeTomaso mailing list
A A [3][8]DeTomaso at poca.com
A A [4][9]http://poca.com/mailman/listinfo/detomaso_poca.com
A A To manage your subscription (change email address, unsubscribe,
etc.)
A A use the links above.
References
A A 1. [10]http://www.barotex.com/
A A 2. mailto:[11]gow2 at rc-tech.net
A A 3. mailto:[12]DeTomaso at poca.com
A A 4. [13]http://poca.com/mailman/listinfo/detomaso_poca.com
_______________________________________________
Detomaso Forum Managed by POCA
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To manage your subscription (change email address, unsubscribe,
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References
1. mailto:detomaso at poca.com
2. http://www.barotex.com/
3. mailto:detomaso at poca.com
4. mailto:gow2 at rc-tech.net
5. mailto:charlesmccall at gmail.com
6. mailto:detomaso at poca.com
7. mailto:gow2 at rc-tech.net
8. mailto:DeTomaso at poca.com
9. http://poca.com/mailman/listinfo/detomaso_poca.com
10. http://www.barotex.com/
11. mailto:gow2 at rc-tech.net
12. mailto:DeTomaso at poca.com
13. http://poca.com/mailman/listinfo/detomaso_poca.com
14. mailto:DeTomaso at poca.com
15. http://poca.com/mailman/listinfo/detomaso_poca.com
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