Home  |  Forums  |  914 Info  |  Blogs
 
914World.com - The fastest growing online 914 community!
 
Porsche, and the Porsche crest are registered trademarks of Dr. Ing. h.c. F. Porsche AG. This site is not affiliated with Porsche in any way.
Its only purpose is to provide an online forum for car enthusiasts. All other trademarks are property of their respective owners.
 

Welcome Guest ( Log In | Register )

 
Reply to this topicStart new topic
> Another seat installation question ( aluminum )
FastFroggy
post Feb 25 2017, 02:36 PM
Post #1


Newbie
*

Group: Members
Posts: 36
Joined: 27-November 15
From: Ann Arbor MI
Member No.: 19,415
Region Association: Upper MidWest



Working my seat installation... I'm happy with the base mounts
(IMG:http://www.914world.com/bbs2/uploads_offsite/img.photobucket.com-19415-1488067033.1.jpg)
but struggling with the back support..
(IMG:http://www.914world.com/bbs2/uploads_offsite/img.photobucket.com-19415-1488067033.2.jpg)



Problem is that there really is not any space to even put your hands in let alone mark you spot.

But my basic question: which is preferred and why?

a. Should belt and seat back mount to firewall.
b. Should belt and seat back mount to roll bar ( i prefer this but I cannot figure a way to do this given the space available.).
c. Should belt to fire wall and seat back mount to roll bar.
d. Should belt to roll bar and seat back mount to firewall.

Please note that I have an eight paint roll cage.
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
wndsrfr
post Feb 28 2017, 09:52 PM
Post #2


Senior Member
***

Group: Members
Posts: 1,427
Joined: 30-April 09
From: Rescue, Virginia
Member No.: 10,318
Region Association: MidAtlantic Region



If you're racing you'll need to find out the rules about seat support. I'm doing DE events only & don't have the seat back supported, just the base. Belts are clipped to eye bolts through bolted to reinforcing plates welded on the back side of the firewall...so the belts hold me and the seat in place I guess.
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
ThePaintedMan
post Mar 1 2017, 11:04 AM
Post #3


Advanced Member
****

Group: Members
Posts: 3,884
Joined: 6-September 11
From: St. Petersburg, FL
Member No.: 13,527
Region Association: South East States



(IMG:style_emoticons/default/agree.gif) - rules vary per organization. However, I should note something that I feel is important. Unless the seat is specifically designed to be stand-alone with good side-mounts, i.e. most FIA-rated carbon seats, a proper seat back support should really be a consideration. Belts were designed to restrain the driver, but not the movement of a seat and driver combined. On an AX car, no biggie, but on the track, the speeds and forces are much, much greater in the event of an accident. I do believe that Kirkey specifically recommends a seatback brace with their seats as well.
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
brant
post Mar 1 2017, 03:58 PM
Post #4


914 Wizard
**********

Group: Members
Posts: 11,584
Joined: 30-December 02
From: Colorado
Member No.: 47
Region Association: Rocky Mountains



Here is the seat back brace we made 12 years ago
it passed pca club racing tech back in the day


Attached image(s)
Attached Image
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
Cracker
post Mar 2 2017, 09:43 PM
Post #5


Advanced Member
****

Group: Members
Posts: 2,148
Joined: 2-February 10
From: Atlanta (area)
Member No.: 11,316
Region Association: South East States



I welded a plate on the cage behind my Kirkey...together with the base mounted, it is the strongest installation I have ever felt. My belts are installed around the cage too. Definitely find out what the minimum requirements are but if it is allowed - pin the seat high (somehow).

PS: Nice brace Brant...its been awhile - I hope you are well.

T
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
ge9146
post Mar 4 2017, 10:29 AM
Post #6


Newbie
*

Group: Members
Posts: 47
Joined: 5-March 05
From: Western Michigan
Member No.: 3,716
Region Association: Upper MidWest



I would also agree to start with the rule book for the racing group or groups that you intend to run with. It will save you lots of grief when you go thru tech inspection for the first time. The rule books usually have some guidelines for belt attachment that can be helpful. Simpson safety equipment and Schroth equipment have some good guidelines on their site for belt location, attachment and angles. I have helped out in tech inspection in the past and it sometimes pays to do some research early on to save your self some issues at tech later.

Simpson seatbelt installation

Schroth

Be safe and Have Fun!

PS: Take a serious look at a HANS device or equivalent too!
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
sixaddict
post Aug 10 2017, 06:57 PM
Post #7


Senior Member
***

Group: Members
Posts: 781
Joined: 22-January 09
From: Panama City Beach, FL
Member No.: 9,961
Region Association: South East States



Two questions:
1. Do brackets mount to stock sliders
2. Are they adjustable...l.e.can seat be moved back or forward
Thanks
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
FastFroggy
post Aug 12 2017, 03:03 PM
Post #8


Newbie
*

Group: Members
Posts: 36
Joined: 27-November 15
From: Ann Arbor MI
Member No.: 19,415
Region Association: Upper MidWest



I ended up mounting the belts per the bet manufacturer.

Mine are hard mounted. Sliders are generally not legal to race.


User is offlineProfile CardPM
Go to the top of the page
+Quote Post

Reply to this topicStart new topic
1 User(s) are reading this topic (1 Guests and 0 Anonymous Users)
0 Members:

 



- Lo-Fi Version Time is now: 28th March 2024 - 12:02 PM