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Gas Struts TR-4

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mjpienaar(at)shaw.ca
Guest

Posted: Thu May 15, 2014 8:03 pm Post subject: Gas Struts TR-4

Hi All,

  

 Does any body have the specs or the name of the  manufacturer for the gas struts that came with the TR-4 to hold the doors open,  I wiped my struts with acetone and that took off all the markings

  

 I installed my brackets to conform with the origal  struts but they are too weak and I cannot find replacement struts have the same  overall length.

  

 Sometime ago there was a mention of a method to  recharge the struts and if somebody could point me in that direction I would  appreciate it.

  

 Thanks

  

 Mike

   [quote][b]

galinhdz(at)gmail.com
Guest

Posted: Thu May 15, 2014 8:18 pm Post subject: Gas Struts TR-4

The ones I have are GRUDEN gas spring but not sure if they are 6 or 8mm ones.Â 

Â 

http://www.guden.com/Control/Standard-Gas-Springs

  Â 

Â 



On Fri, May 16, 2014 at 12:03 AM, Mike Pienaar <mjpienaar(at)shaw.ca (mjpienaar(at)shaw.ca)> wrote:

  [quote]       Hi All,

 Â 

 Does any body have the specs or the name of the  manufacturer for the gas struts that came with the TR-4 to hold the doors open,  I wiped my struts with acetone and that took off all the markings

 Â 

 I installed my brackets to conform with the origal  struts but they are too weak and I cannot find replacement struts have the same  overall length.

 Â 

 Sometime ago there was a mention of a method to  recharge the struts and if somebody could point me in that direction I would  appreciate it.

 Â 

 Thanks

 Â 

 Mike

    	  Quote: 	
		  



et="_blank">http://www.matronics.com/Navigator?KIS-List

tp://forums.matronics.com

_blank">http://www.matronics.com/contribution



	


[b]

ftyoder(at)yoderbuilt.com
Guest

Posted: Thu May 15, 2014 8:32 pm Post subject: Gas Struts TR-4

I did that for my TR-1 struts. I got a steel pipe, 1 1/2" ID I  think, long enough to hold the strut, capped both ends, you have to seal the  threads, drill and tap one cap for a Schrader valve. insert the struts and fill  the tube with Nitrogen. I was able to fit four of my struts in my tube. The  original rating was 25 lbs. and with the refill they came out at 40 lbs and work  much better and last for years.

  

 Tim N52TY



   From: owner-kis-list-server(at)matronics.com  [mailto:owner-kis-list-server(at)matronics.com] On Behalf Of Mike  Pienaar

Sent: Thursday, May 15, 2014 9:04 PM

To:  KISBUILDERS

Subject: Gas Struts TR-4

 

 Hi All,

  

 Does any body have the specs or the name of the  manufacturer for the gas struts that came with the TR-4 to hold the doors open,  I wiped my struts with acetone and that took off all the markings

  

 I installed my brackets to conform with the origal  struts but they are too weak and I cannot find replacement struts have the same  overall length.

  

 Sometime ago there was a mention of a method to  recharge the struts and if somebody could point me in that direction I would  appreciate it.

  

 Thanks

  

 Mike

 	  Quote: 	
		  



://www.matronics..com/Navigator?KIS-List

ics.com

.matronics.com/contribution



	
    	 		 			 				 			 		 		 			

 				This email is free from viruses and malware because avast! Antivirus protection is active. 			 		 	      [quote][b]

mjpienaar(at)shaw.ca
Guest

Posted: Thu May 15, 2014 8:47 pm Post subject: Gas Struts TR-4

Tim,

  

 Thanks for you reply, what pressure do you push the  nitrogen up to?

  

 Thanks

  

 Mike

 [quote]   ---

mjpienaar(at)shaw.ca
Guest

Posted: Thu May 15, 2014 8:49 pm Post subject: Gas Struts TR-4

Hi Galin,

  

 I thought taht they were Guden but when I checked  the Guden site I could not match them. I will bring them home and re-measure and  phone Guden,

  

 Thanks for the help

  

 Mike

 [quote]   ---

ftyoder(at)yoderbuilt.com
Guest

Posted: Fri May 16, 2014 3:53 am Post subject: Gas Struts TR-4

My bottle doesn't have a gauge and when it is full I think it  is less than 2000#.

   From: owner-kis-list-server(at)matronics.com  [mailto:owner-kis-list-server(at)matronics.com] On Behalf Of Mike  Pienaar

Sent: Thursday, May 15, 2014 9:47 PM

To:  kis-list(at)matronics.com

Subject: Re: Gas Struts  TR-4

 Tim,

 Thanks for you reply, what pressure do you push the  nitrogen up to?

 Thanks

 Mike

 [quote]   ---

pfdwind(at)gmail.com
Guest

Posted: Fri May 16, 2014 7:02 pm Post subject: Gas Struts TR-4

May be I should do that for mine.



On Thursday, May 15, 2014, Tim Yoder <ftyoder(at)yoderbuilt.com (ftyoder(at)yoderbuilt.com)> wrote:

[quote]        I did that for my TR-1 struts. I got a steel pipe, 1 1/2" ID I  think, long enough to hold the strut, capped both ends, you have to seal the  threads, drill and tap one cap for a Schrader valve. insert the struts and fill  the tube withÂ Nitrogen. I was able to fit four of my struts in my tube. The  original rating was 25 lbs. and with the refill they came out at 40 lbs and work  much better and last for years.

 Â 

 Tim N52TY



   From: [url=javascript:_e(%7B%7D,'cvml','owner-kis-list-server(at)matronics.com');]owner-kis-list-server(at)matronics.com[/url]  [mailto:[url=javascript:_e(%7B%7D,'cvml','owner-kis-list-server(at)matronics.com');]owner-kis-list-server(at)matronics.com[/url]] On Behalf Of Mike  Pienaar

Sent: Thursday, May 15, 2014 9:04 PM

To:  KISBUILDERS

Subject: Gas Struts TR-4

 

 Hi All,

 Â 

 Does any body have the specs or the name of the  manufacturer for the gas struts that came with the TR-4 to hold the doors open,  I wiped my struts with acetone and that took off all the markings

 Â 

 I installed my brackets to conform with the origal  struts but they are too weak and I cannot find replacement struts have the same  overall length.

 Â 

 Sometime ago there was a mention of a method to  recharge the struts and if somebody could point me in that direction I would  appreciate it.

 Â 

 Thanks

 Â 

 Mike

 	  Quote: 	
		  



://www.matronics..com/Navigator?KIS-List

ics.com

.matronics.com/contribution



	
 



   	 		 			 				 			 		 		 			

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     	  Quote: 	
		  



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[b]

mjpienaar(at)shaw.ca
Guest

Posted: Wed May 21, 2014 5:49 am Post subject: Gas Struts TR-4

Thanks Tim, I'n not sure if I want to play with  pressures in that range!!!!!!  I will look for an alternative and keep that  as a measure of last resort.

  

 Thanks for the help

  

 Mike

 [quote]   ---

Robert Reed

Joined: 22 Oct 2009
Posts: 331
Location: Dallas/Ft.Worth

Posted: Wed May 21, 2014 6:13 am Post subject: Gas Struts TR-4

I don't feel like I have much room to give anyone advice on anything since I have yet to finish my project but my take on the door struts is purely one based on observation and a bit of common sense.  The doors on both the 2 and 4 place aircraft are rather large and from a pure strength standpoint rather flimsy out of necessity to reduce weight.  Having a single strut on only one side of the door, especially one with increased pressure would be putting a constant twisting strain on the door structure each time it is closed.  Additionally, when open a gust of wind would put the same or even worse twisting strain on the door.  This is why my plan has always been to include two gas struts on each door.   They are not expensive and the added weight is minor.

  

 Waiting for life to get out of the way,

  

 Bob Reed

 

    

From: Mike Pienaar <mjpienaar(at)shaw.ca>

To: kis-list(at)matronics.com 

Sent: Wednesday, May 21, 2014 8:49 AM

Subject: Re: Gas Struts TR-4



 

   Thanks Tim, I'n not sure if I want to play with pressures in that range!!!!!!  I will look for an alternative and keep that as a measure of last resort.

  

 Thanks for the help

  

 Mike

 [quote] ---

kentpyle(at)iland.net
Guest

Posted: Wed May 21, 2014 1:52 pm Post subject: Gas Struts TR-4

I too used two gas struts for each door and for the same reasoning.   Kent

  From: Robert Reed (robertr237(at)att.net) 

 Sent: Wednesday, May 21, 2014 9:13 AM

 To: kis-list(at)matronics.com (kis-list(at)matronics.com) 

 Subject: Re: Gas Struts TR-4

 I don't feel like I have much room to give anyone advice on  anything since I have yet to finish my project but my take on the door struts is  purely one based on observation and a bit of common sense.  The doors on  both the 2 and 4 place aircraft are rather large and from a pure strength  standpoint rather flimsy out of necessity to reduce weight.  Having a  single strut on only one side of the door, especially one with increased  pressure would be putting a constant twisting strain on the door structure each  time it is closed.  Additionally, when open a gust of wind would put the  same or even worse twisting strain on the door.  This is why my plan has  always been to include two gas struts on each door.  They are not expensive  and the added weight is minor.

 Waiting for life to get out of the way,

 Bob Reed

From: Mike Pienaar  <mjpienaar(at)shaw.ca>

To:  kis-list(at)matronics.com 

Sent:  Wednesday, May 21, 2014 8:49 AM

Subject: Re: Gas Struts  TR-4

   Thanks Tim, I'n not sure if I want to play with  pressures in that range!!!!!!  I will look for an alternative and keep that  as a measure of last resort.

 Thanks for the help

 Mike

 [quote]   ---

sstearns2(at)yahoo.com
Guest

Posted: Wed May 21, 2014 9:19 pm Post subject: Gas Struts TR-4

Be sure to bodywork the doors with the gas struts attached.  They flex the door a little.  Putting a pair of lower force struts on each door is my plan for the cruiser.  

Scott

     On Wednesday, May 21, 2014 2:55 PM, Kent Pyle <kentpyle(at)iland.net> wrote:

  

      I too used two gas struts for each door and for the same reasoning.   Kent

    

  From: Robert Reed (robertr237(at)att.net) 

 Sent: Wednesday, May 21, 2014 9:13 AM

 To: kis-list(at)matronics.com (kis-list(at)matronics.com) 

 Subject: Re: KIS-List: Gas Struts TR-4

  



    

 I don't feel like I have much room to give anyone advice on  anything since I have yet to finish my project but my take on the door struts is  purely one based on observation and a bit of common sense.  The doors on  both the 2 and 4 place aircraft are rather large and from a pure strength  standpoint rather flimsy out of necessity to reduce weight.  Having a  single strut on only one side of the door, especially one with increased  pressure would be putting a constant twisting strain on the door structure each  time it is closed.  Additionally, when open a gust of wind would put the  same or even worse twisting strain on the door.  This is why my plan has  always been to include two gas struts on each door.  They are not expensive  and the added weight is minor.

  

 Waiting for life to get out of the way,

  

 Bob Reed

  

    

From: Mike Pienaar  <mjpienaar(at)shaw.ca>

To:  kis-list(at)matronics.com 

Sent:  Wednesday, May 21, 2014 8:49 AM

Subject: Re: Gas Struts  TR-4



   

   Thanks Tim, I'n not sure if I want to play with  pressures in that range!!!!!!  I will look for an alternative and keep that  as a measure of last resort.

  

 Thanks for the help

  

 Mike

 [quote]   ---

fredorosa(at)gmail.com
Guest

Posted: Thu May 22, 2014 3:05 am Post subject: Gas Struts TR-4

I initially installed the struts only at the forward location of the doors but didn't like the visual intrusion.  Now they are only at the rear position.  There was some twisting and misalignment when closing the doors so I ordered longer strut anchors for the top location.  This neutralized the thrust force alignment so the doors can close properly. 



Sent from my iPhone



On May 21, 2014, at 5:51 PM, "Kent Pyle" <kentpyle(at)iland.net (kentpyle(at)iland.net)> wrote:

[quote]    I too used two gas struts for each door and for the same reasoning.   Kent

    

  From: Robert Reed (robertr237(at)att.net) 

 Sent: Wednesday, May 21, 2014 9:13 AM

 To: kis-list(at)matronics.com (kis-list(at)matronics.com) 

 Subject: Re: Gas Struts TR-4

  



    

 I don't feel like I have much room to give anyone advice on  anything since I have yet to finish my project but my take on the door struts is  purely one based on observation and a bit of common sense.  The doors on  both the 2 and 4 place aircraft are rather large and from a pure strength  standpoint rather flimsy out of necessity to reduce weight.  Having a  single strut on only one side of the door, especially one with increased  pressure would be putting a constant twisting strain on the door structure each  time it is closed.  Additionally, when open a gust of wind would put the  same or even worse twisting strain on the door.  This is why my plan has  always been to include two gas struts on each door.  They are not expensive  and the added weight is minor.

  

 Waiting for life to get out of the way,

  

 Bob Reed

  

    

From: Mike Pienaar  <mjpienaar(at)shaw.ca (mjpienaar(at)shaw.ca)>

To:  kis-list(at)matronics.com (kis-list(at)matronics.com) 

Sent:  Wednesday, May 21, 2014 8:49 AM

Subject: Re: Gas Struts  TR-4



   

   Thanks Tim, I'n not sure if I want to play with  pressures in that range!!!!!!  I will look for an alternative and keep that  as a measure of last resort.

  

 Thanks for the help

  

 Mike

 [quote]   ---

galinhdz(at)gmail.com
Guest

Posted: Thu May 22, 2014 11:31 am Post subject: Gas Struts TR-4

Mine are Guden GGS22-030-K: Â http://www.guden.com/Item/GGS22-030-K



and I have 4 of them.



On Thursday, May 22, 2014, Alfred Rosa <fredorosa(at)gmail.com (fredorosa(at)gmail.com)> wrote:

 [quote]I initially installed the struts only at the forward location of the doors but didn't like the visual intrusion. Â Now they are only at the rear position. Â There was some twisting and misalignment when closing the doors so I ordered longer strut anchors for the top location. Â This neutralized the thrust force alignment so the doors can close properly.Â 

 

Sent from my iPhone



On May 21, 2014, at 5:51 PM, "Kent Pyle" <kentpyle(at)iland.net> wrote:

[quote]    I too used two gas struts for each door and for the same reasoning.Â   Kent

   Â 

  From: Robert Reed 

 Sent: Wednesday, May 21, 2014 9:13 AM

 To: kis-list(at)matronics.com 

 Subject: Re: Gas Struts TR-4

 Â 



   Â 

 I don't feel like I have much room to give anyone advice on  anything since I have yet to finish my project but my take on the door struts is  purely one based on observation and a bit of common sense.Â  The doors on  both the 2 and 4 place aircraft are rather large and from a pure strength  standpoint rather flimsy out of necessity to reduce weight.Â  Having a  single strut on only one side of the door, especially one with increased  pressure would be putting a constant twisting strain on the door structure each  time it is closed.Â  Additionally, when open a gust of wind would put the  same or even worse twisting strain on the door.Â  This is why my plan has  always been to include two gas struts on each door.Â  They are not expensive  and the added weight is minor.

 Â 

 Waiting for life to get out of the way,

  Â 

 Bob Reed

 Â 

     

From: Mike Pienaar  <mjpienaar(at)shaw.ca>

To:  kis-list(at)matronics.com 

Sent:  Wednesday, May 21, 2014 8:49 AM

Subject: Re: Gas Struts  TR-4



  Â 

   Thanks Tim, I'n not sure if I want to play with  pressures in that range!!!!!!Â  I will look for an alternative and keep that  as a measure of last resort.

 Â 

 Thanks for the help

 Â 

 Mike

 [quote]   ---

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