LocostUSA.com

Learning how to build Lotus Seven replicas...together!
It is currently June 4, 2020, 6:41 am

All times are UTC - 5 hours [ DST ]




Post new topic Reply to topic  [ 1152 posts ]  Go to page Previous  1 ... 68, 69, 70, 71, 72, 73, 74 ... 77  Next
Author Message
PostPosted: February 28, 2019, 10:45 pm 
Offline
User avatar

Joined: October 23, 2010, 2:40 am
Posts: 1198
horizenjob wrote:
Tom, it looks really nice. The output seems rather large along with those flanges, it looks like just a 4 cylinder engine in those pics... :rofl:

Is stuff that big the easiest way to do this? I can ask some people that might know, and would like to show the pictures actually. If you have the parts and want to use them, go right ahead though - it looks really nice.
Marcus, I may have misread your post on my first reply. If you were refering to the headers' downstream connection, the plan is to use Marman flanges. What are they: Think of them as V-band flanges that don't leak. Here's what the pieces look like:
Attachment:
P2284917-1.jpg
P2284917-1.jpg [ 64.79 KiB | Viewed 7 times ]

The male side (on the left) will weld up to the collector. The female side will weld to a 90* bend heading aft to the muffler. The graphite gasket is optional and the V-band holds it all together. Assembled it looks like this:
Attachment:
P2284918-1.jpg
P2284918-1.jpg [ 51.98 KiB | Viewed 7 times ]

Not as bulky as it seems in the pics. The V-band will sit just outside the body side panel with 1.5" to 2" more ground clearance than the frame rails.

I like these connectors because they provide a positive frontal location for the rest of the exhaust system, they allow some rotational adjustment, the rest of the exhaust system comes off/on easily, and the connection doesn't leak.

Here's the folks I got them from: https://gbemandrel.com

_________________
Cheers, Tom

My Car9 build: viewtopic.php?f=35&t=14613
"It's the construction of the car-the sheer lunacy and joy of making diverse parts come together and work as one-that counts."

Ultima Spyder, Northstar 4.0, Porsche G50/52


Last edited by seattletom on June 2, 2020, 9:26 pm, edited 1 time in total.

Top
 Profile  
Reply with quote  
PostPosted: March 11, 2019, 10:12 pm 
Offline
User avatar

Joined: October 23, 2010, 2:40 am
Posts: 1198
Plugging along on my exhaust system. Got the filler panels fitted and tacked onto the headers.
Now working on the sidepipes and mounts. My long trailing arms have caused a lot of head (and fanny) scratchin' on how best to mount the sidepipes (using different hands of course.)

After pursuing a neat mounting system from down under viewtopic.php?f=27&t=19747&p=247187#p247187 I've had to change directions due to clearance and part availability issues.

At this point I'm planning on the approach Corvette used for C2/C3 sidepipes. The pic shows a set of sidepipes for a 65-67 big block, which will look a bit like what will be coming off my headers.
Attachment:
1965 – 1967 Corvette Big Block Side Pipe Exhaust System - 1.jpg
1965 – 1967 Corvette Big Block Side Pipe Exhaust System - 1.jpg [ 52.98 KiB | Viewed 7 times ]

Here's the Corvette mounting hardware:
Attachment:
C2C3 Corvette sidepipe mounts -1.jpg
C2C3 Corvette sidepipe mounts -1.jpg [ 43.64 KiB | Viewed 7 times ]

On the Corvette, the rubber biscuits stack on the short round tubes, clamping the ring-shaped tabs from the sidepipe picture between the 2" diameter rubber donuts. The mount stacks are bolted to the underside of the Corvette frame, pointing downward. In my setup, the mount stacks will sit on top of short outriggers welded to the lower side rails with the short round tubes pointed upwards. The outriggers and stacks will fit under my lower trailing arms and still have clearance in a max droop situation. The sidepipes will be located horizontally by adjusting the length of the outriggers and the tabs. Once bolted up, the sidepipes' vertical and horizontal positions should be fixed with a little jiggle room allowed by the rubber donuts.

That's the theory anyway. My sidepipes should arrive by this weekend and I'll be able to make a more accurate mockup. Pics to follow.


Attachments:
P3114920-1.jpg
P3114920-1.jpg [ 91.41 KiB | Viewed 7 times ]

_________________
Cheers, Tom

My Car9 build: viewtopic.php?f=35&t=14613
"It's the construction of the car-the sheer lunacy and joy of making diverse parts come together and work as one-that counts."

Ultima Spyder, Northstar 4.0, Porsche G50/52


Last edited by seattletom on June 2, 2020, 9:37 pm, edited 1 time in total.
Top
 Profile  
Reply with quote  
PostPosted: March 13, 2019, 7:06 am 
Offline
We are Slotus!
User avatar

Joined: October 6, 2009, 9:29 am
Posts: 7687
Location: Tallahassee, FL (The Center of the Known Universe)
I used to have long sidepipes... But I shaved 'em off in '72 when I decided to grow a moustache... :mrgreen:

Looking very interesting there, Tom. I'll be waiting to see the results when the pieces/parts come in!
:cheers:
JDK

_________________
JD, father of Quinn, Son of a... Build Log
Quinn the Slotus:Ford 302 Powered, Mallock-Inspired, Tube Frame, Hillclimb Special
"Gonzo and friends: Last night must have been quite a night. Camelot moments, mechanical marvels, Rustoleum launches, flying squirrels, fru-fru tea cuppers, V8 envy, Ensure catch cans -- and it wasn't even a full moon." -- SeattleTom


Top
 Profile  
Reply with quote  
PostPosted: March 13, 2019, 8:04 am 
Offline
Automotive Encyclopedia
User avatar

Joined: December 22, 2006, 2:05 pm
Posts: 6656
To allow for the engine rocking, the side pipe mounts should allow vertical lift with very little side to side.
Control how much the pipes move at the engine with limiters to prevent metal fatigue/isolator tear at the pipes.

If casting poly, there should be fabric layers in the casting. Poly has very low tensile strength.

_________________
MV8

https://www.youtube.com/watch?v=Om3C1Ep ... D3E18BB447


Top
 Profile  
Reply with quote  
PostPosted: March 13, 2019, 8:09 pm 
Offline
User avatar

Joined: October 23, 2010, 2:40 am
Posts: 1198
Miatav8,MstrASE,A&P,F wrote:
To allow for the engine rocking, the side pipe mounts should allow vertical lift with very little side to side.
Control how much the pipes move at the engine with limiters to prevent metal fatigue/isolator tear at the pipes.
Thanks, MV8, that has been an area of concern. I'm using Delrin "cushions" on the engine and transmission mounts, so don't expect to see too much engine rocking that doesn't also rock the chassis (and my teeth.) The Marman V-clamp joints at the headers are in a vertical plane aligned lengthwise to the chassis. I don't expect those joints to allow any play once clamped, but they should help with vertical sidepipe setup vis-a-vie the aft mounts. The Corvette mounts at the aft end should minimize the sidepipes' side-to-side movement and still allow for some vertical wiggle. We'll see, still a while before it barks in anger...

GonzoRacer wrote:
I used to have long sidepipes... But I shaved 'em off in '72 when I decided to grow a moustache...
Hey, JD, was that back when you were known as Ringo?
Some sights you just can't unsee... :shock:

_________________
Cheers, Tom

My Car9 build: viewtopic.php?f=35&t=14613
"It's the construction of the car-the sheer lunacy and joy of making diverse parts come together and work as one-that counts."

Ultima Spyder, Northstar 4.0, Porsche G50/52


Top
 Profile  
Reply with quote  
PostPosted: March 14, 2019, 7:28 am 
Offline
We are Slotus!
User avatar

Joined: October 6, 2009, 9:29 am
Posts: 7687
Location: Tallahassee, FL (The Center of the Known Universe)
seattletom wrote:
Hey, JD, was that back when you were known as Ringo?
Not Ringo, but you're close... Ringo was that British kid that was in a band. He grew a moustache at one point as well. I was known as "Mongo"... :mrgreen:
Attachment:
MONGO.jpg
MONGO.jpg [ 172.1 KiB | Viewed 2017 times ]

_________________
JD, father of Quinn, Son of a... Build Log
Quinn the Slotus:Ford 302 Powered, Mallock-Inspired, Tube Frame, Hillclimb Special
"Gonzo and friends: Last night must have been quite a night. Camelot moments, mechanical marvels, Rustoleum launches, flying squirrels, fru-fru tea cuppers, V8 envy, Ensure catch cans -- and it wasn't even a full moon." -- SeattleTom


Top
 Profile  
Reply with quote  
PostPosted: March 29, 2019, 12:45 pm 
Offline
User avatar

Joined: August 2, 2009, 3:34 pm
Posts: 776
Location: Alberta
seattletom wrote:
when you were known as Ringo?


No human being could match the draw of Ringo.

_________________
Trochu Motor League


Top
 Profile  
Reply with quote  
PostPosted: March 29, 2019, 1:40 pm 
Offline
User avatar

Joined: July 17, 2008, 9:11 am
Posts: 5429
Location: West Chicago,IL
Trochu wrote:
seattletom wrote:
when you were known as Ringo?


No human being could match the draw of Ringo.


And it was just the years, they say
That made me put my guns away
But on his grave they can't explain
The tarnished star above the name of Ringo :cheers:

_________________
Chuck.

“Any suspension will work if you don’t let it.” - Colin Chapman

Visit my ongoing MGB Rustoration log: over HERE

Or my Wankel powered Locost log : over HERE


Top
 Profile  
Reply with quote  
PostPosted: March 30, 2019, 6:24 pm 
Offline
We are Slotus!
User avatar

Joined: October 6, 2009, 9:29 am
Posts: 7687
Location: Tallahassee, FL (The Center of the Known Universe)
Ohhhh, THAT Ringo... Nope, that wasn't me either... Ya bunch of old f#rts! :mrgreen:

:cheers:
JDK

_________________
JD, father of Quinn, Son of a... Build Log
Quinn the Slotus:Ford 302 Powered, Mallock-Inspired, Tube Frame, Hillclimb Special
"Gonzo and friends: Last night must have been quite a night. Camelot moments, mechanical marvels, Rustoleum launches, flying squirrels, fru-fru tea cuppers, V8 envy, Ensure catch cans -- and it wasn't even a full moon." -- SeattleTom


Top
 Profile  
Reply with quote  
PostPosted: March 30, 2019, 9:39 pm 
Offline
User avatar

Joined: March 19, 2011, 10:22 am
Posts: 1664
Location: Holden, Alberta, Canada
GonzoRacer wrote:
Ya bunch of old f#rts!

Hold on there now JD, you know the old saying'. It takes one to know one............

_________________
Perry

'If man built it, man can fix it'
"No one ever told me I couldn't do it."
"If you can't build it safe, don't build it."

Perry's Locost Super Che7enette Build
Perry's TBird Based 5.0L Super 7 L.S.O.
Perry's S10 Super 7 The 3rd
Perry's 4th Build, The Topolino 500 (Little Mouse) Altered


Top
 Profile  
Reply with quote  
PostPosted: March 30, 2019, 9:54 pm 
Offline
User avatar

Joined: October 23, 2010, 2:40 am
Posts: 1198
GonzoRacer wrote:
Ohhhh, THAT Ringo... Nope, that wasn't me either... Ya bunch of old f#rts! :mrgreen:
But JD, the resemblance is striking...
Attachment:
Ringo.jpg
Ringo.jpg [ 49.46 KiB | Viewed 100 times ]
Attachment:
Mongo.jpg
Mongo.jpg [ 40.26 KiB | Viewed 100 times ]

_________________
Cheers, Tom

My Car9 build: viewtopic.php?f=35&t=14613
"It's the construction of the car-the sheer lunacy and joy of making diverse parts come together and work as one-that counts."

Ultima Spyder, Northstar 4.0, Porsche G50/52


Last edited by seattletom on April 27, 2020, 1:42 am, edited 1 time in total.

Top
 Profile  
Reply with quote  
PostPosted: March 30, 2019, 10:42 pm 
Offline
User avatar

Joined: July 17, 2008, 9:11 am
Posts: 5429
Location: West Chicago,IL
GonzoRacer wrote:
Ohhhh, THAT Ringo... Nope, that wasn't me either... Ya bunch of old f#rts! :mrgreen:

:cheers:
JDK


Hey, Wait a minute! I resemble that remark! :boxing:

_________________
Chuck.

“Any suspension will work if you don’t let it.” - Colin Chapman

Visit my ongoing MGB Rustoration log: over HERE

Or my Wankel powered Locost log : over HERE


Top
 Profile  
Reply with quote  
PostPosted: March 31, 2019, 7:34 am 
Offline
We are Slotus!
User avatar

Joined: October 6, 2009, 9:29 am
Posts: 7687
Location: Tallahassee, FL (The Center of the Known Universe)
Quote:
Hey, Wait a minute! I resemble that remark!
@Tom, Perry, & Chuck- Don't we all, brothers, don't we all... Ringo Starr's first TV appearance with that band I mentioned was 55 years ago, 1964. Lorne Greene's hit record was later that same year. We must be havin' fun, because time sure is flyin' by...

:cheers:
JDK 12/28/54

_________________
JD, father of Quinn, Son of a... Build Log
Quinn the Slotus:Ford 302 Powered, Mallock-Inspired, Tube Frame, Hillclimb Special
"Gonzo and friends: Last night must have been quite a night. Camelot moments, mechanical marvels, Rustoleum launches, flying squirrels, fru-fru tea cuppers, V8 envy, Ensure catch cans -- and it wasn't even a full moon." -- SeattleTom


Top
 Profile  
Reply with quote  
PostPosted: April 8, 2019, 12:58 am 
Offline
User avatar

Joined: October 23, 2010, 2:40 am
Posts: 1198
I got back to working on the exhaust. But not being able to unsee the picture of Mongo, things got a little crazy and I contemplated going the Monster Truck route (Monster Locost?) :shock:
Attachment:
IMG_0030-1.jpg
IMG_0030-1.jpg [ 106.36 KiB | Viewed 100 times ]

But reason prevailed (sort of) and I tacked up the Marmon flanges and sidepipes in a fore and aft configuration. Each sidepipe is a combo of a perforated/chambered section plus a glass pack as used on '67 big block Vettes. They're 2.5" i.d. all the way through, and no, I don't expect them to be particularly quiet. Turndowns are yet to be added.
Attachment:
P4074927-1.jpg
P4074927-1.jpg [ 107.19 KiB | Viewed 100 times ]
Attachment:
P4074926-1.jpg
P4074926-1.jpg [ 109.03 KiB | Viewed 100 times ]

Vette style mounts will be used at the aft ends of the sidepipes. I bought a pair of repro mounts, but ended up throwing away all but the rubber biscuits and making up replacement mount pieces. The mount br@ck^ts will be welded to the lower frame rails and the insulated/isolated tongues will weld to the bottom of the sidepipes.
Attachment:
P4074931-1.jpg
P4074931-1.jpg [ 77.59 KiB | Viewed 100 times ]

Here's how the tongue will clamp between the rubber biscuits. The tongues will go on a serious diet before they're finished.
Attachment:
P4074932-1.jpg
P4074932-1.jpg [ 53.42 KiB | Viewed 100 times ]

And here's kind of what it will look like when assembled. There should be enough clearance to have everything work, including the long trailing arms.
Attachment:
P4074930-1.jpg
P4074930-1.jpg [ 53.01 KiB | Viewed 100 times ]

_________________
Cheers, Tom

My Car9 build: viewtopic.php?f=35&t=14613
"It's the construction of the car-the sheer lunacy and joy of making diverse parts come together and work as one-that counts."

Ultima Spyder, Northstar 4.0, Porsche G50/52


Last edited by seattletom on April 27, 2020, 1:47 am, edited 1 time in total.

Top
 Profile  
Reply with quote  
PostPosted: April 8, 2019, 7:48 am 
Offline
We are Slotus!
User avatar

Joined: October 6, 2009, 9:29 am
Posts: 7687
Location: Tallahassee, FL (The Center of the Known Universe)
Yo Tom-
I kinda like the "Monster Truck" version... But you'd need flappers on them, to keep sparrows from nesting in there. On the up-side, with long enough pieces of coat hanger wire, you and your passenger could roast marshmallows while drivin' down the road! :mrgreen: (Mongo like S'mores!)

Quote:
I bought a pair of repro mounts, but ended up throwing away all but the rubber biscuits and making up replacement mount pieces.
That's my boy!!! Sounds like stuff Team Slotus would do. Uhhh... I meant that in a nice way, really... :mrgreen:

Seriously, folks... Looking good. Bet it's gonna sound good too! Those of us old enough to remember Ringo (either one of 'em) have heard a Vette with side pipes. They sounded reallllly good when they got wound up. 8)

Peace, Love & "Loud Pipes Save Lives" --
JDK

_________________
JD, father of Quinn, Son of a... Build Log
Quinn the Slotus:Ford 302 Powered, Mallock-Inspired, Tube Frame, Hillclimb Special
"Gonzo and friends: Last night must have been quite a night. Camelot moments, mechanical marvels, Rustoleum launches, flying squirrels, fru-fru tea cuppers, V8 envy, Ensure catch cans -- and it wasn't even a full moon." -- SeattleTom


Top
 Profile  
Reply with quote  
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 1152 posts ]  Go to page Previous  1 ... 68, 69, 70, 71, 72, 73, 74 ... 77  Next

All times are UTC - 5 hours [ DST ]


Who is online

Users browsing this forum: No registered users and 3 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
POWERED_BY