Antique Engines and Old Iron
[Home] - [HELP] - [Forums] - [Groups] - [Classified Ads] - [Subscribe] - [Books] - [Sponsors] -

Go Back   SmokStak > SmokStak® Antique Engine Community > Hit & Miss Gas Engine Discussion
Forgot Password? Join Us!

Notices

Hit & Miss Gas Engine Discussion Meet collectors of hit and miss engines, ask questions about collecting, restoring and showing antique flywheel engines.

Hit & Miss Gas Engine Discussion

Witte 3 HP timing and its demons


this thread has 9 replies and has been viewed 713 times

Reply
 
Thread Tools Display Modes
  #1  
Old 09-20-2019, 10:19:49 AM
Bevan Everett Bevan Everett is offline
Subscriber
 
Join Date: Sep 2009
Location: Colfax, Iowa
Posts: 63
Thanks: 17
Thanked 6 Times in 6 Posts
Default Witte 3 HP timing and its demons

In my attempts to get my Witte to run without belching smoke, minding the mixer, or running less than 10 minutes I think I have put it out of time.

I was messing with the tension nut on the exhaust valve and can't find where I started. Does anyone have a process of getting that properly adjusted so the exhaust is tripped at the proper time?

Another question. What is the purpose of the D shaped spring steel loop that connects the intake and exhaust valves?

Final question... If I press down on the intake valve at the right moment she pops just like she is supposed to. Is there something amiss that was maybe bent in shipment or needs worked on to keep me from intervening?
Reply With Quote
Sponsored Links
  #2  
Old 09-20-2019, 11:55:55 AM
Rich Mueller Sr's Avatar
Rich Mueller Sr Rich Mueller Sr is offline
Subscriber
 
Join Date: Jan 2010
Location: Wright City, Missouri
Posts: 5,585
Thanks: 7,417
Thanked 4,928 Times in 2,478 Posts
Default Re: Witte 3 HP timing and its demons

Do search for the timing with a board on the hopper for exhaust valve timing, you want the exhaust valve closed at TDC on intake stroke. If it was running rich with black smoke, take the plug out, sit it on block and roll it over, is the plug firing up INSIDE the plug off of insulator instead of the tip, which if in in engine under compression it will not fire right, when you push intake in you are releasing the compression and it will fire easier, a new plug is the cure. On some headless Witte engines I have read some put a 90 street ell 1/2" and turn it straight up helps gas we have today not foul the plug out easily, notice the plug is next to intake valve inlet and alcohol in gas fouls the plug out fast.. The D. Shaped spring holds the intake closed during the coast cycle so unburned gasoline will not wash the rings out running under load and rated speed and if a restricted muffler or pipe is attached so intake valve will not dance on lock out also..
__________________
United Gasoline Engine Registry www.augermo.com
Reply With Quote
The Following User Says Thank You to Rich Mueller Sr For This Post:
  #3  
Old 09-20-2019, 06:46:28 PM
Mikey NY Mikey NY is offline
Subscriber
 
Join Date: Dec 2010
Location: Central Valley, New York
Posts: 848
Thanks: 79
Thanked 538 Times in 259 Posts
Default Re: Witte 3 HP timing and its demons

https://www.gasenginemagazine.com/ga...es/tramming-in
read this and read it a few times.
Reply With Quote
The Following 2 Users Say Thank You to Mikey NY For This Post:
  #4  
Old 09-20-2019, 09:07:20 PM
Ron Haskell's Avatar
Ron Haskell Ron Haskell is offline
Subscriber
 
Join Date: Nov 2004
Location: Riverside, California, USA
Posts: 588
Thanks: 471
Thanked 766 Times in 176 Posts
Default Re: Witte 3 HP timing and its demons

The most common fuel problem with headless Wittes is the check valve under the mixture needle is missing.
Reply With Quote
  #5  
Old 09-23-2019, 08:39:08 AM
Bevan Everett Bevan Everett is offline
Subscriber
 
Join Date: Sep 2009
Location: Colfax, Iowa
Posts: 63
Thanks: 17
Thanked 6 Times in 6 Posts
Default Re: Witte 3 HP timing and its demons

Maybe it is. There is no check ball below the mixer needle. The checkball is in the tank on this one. Its a new check valve.
Reply With Quote
  #6  
Old 09-23-2019, 11:34:59 AM
Ron Haskell's Avatar
Ron Haskell Ron Haskell is offline
Subscriber
 
Join Date: Nov 2004
Location: Riverside, California, USA
Posts: 588
Thanks: 471
Thanked 766 Times in 176 Posts
Default Re: Witte 3 HP timing and its demons

If you are trying to get the mixture correct with the blunt needle it is almost impossible. The needle for an old quadra jet carb drops in and works perfectly. The fuel shut off needle for other modern carbs might be the same.
Reply With Quote
  #7  
Old 09-23-2019, 02:35:45 PM
Bevan Everett Bevan Everett is offline
Subscriber
 
Join Date: Sep 2009
Location: Colfax, Iowa
Posts: 63
Thanks: 17
Thanked 6 Times in 6 Posts
Default Re: Witte 3 HP timing and its demons

Thanks for the info. I pulled the needle and its one that comes to a point.
Reply With Quote
  #8  
Old 10-03-2019, 11:59:06 AM
Bevan Everett Bevan Everett is offline
Subscriber
 
Join Date: Sep 2009
Location: Colfax, Iowa
Posts: 63
Thanks: 17
Thanked 6 Times in 6 Posts
Default Re: Witte 3 HP timing and its demons

Thanks a lot! I read it, trammed the motor and now it runs better. It still won't run for more than 20 minutes but that is for another day. This helped a lot. I learned something too!
Reply With Quote
  #9  
Old 10-04-2019, 09:40:51 PM
Mikey NY Mikey NY is offline
Subscriber
 
Join Date: Dec 2010
Location: Central Valley, New York
Posts: 848
Thanks: 79
Thanked 538 Times in 259 Posts
Default Re: Witte 3 HP timing and its demons

that article is one of my favorites. I had to read it several times to get the concept. I did not actually do the tramming procedure to get mine running but the info sure helped. It sure seems simple enough to get a single cylinder engine running on your own knowledge, but sometimes a little help goes a long way and lasts for a lifetime. Bevan, save and remember that link and share it in the future to someone else in need. I think that link should be a sticky at the top page of the forum for all newbies to see.
Reply With Quote
The Following User Says Thank You to Mikey NY For This Post:
  #10  
Old 10-07-2019, 02:03:44 PM
Bevan Everett Bevan Everett is offline
Subscriber
 
Join Date: Sep 2009
Location: Colfax, Iowa
Posts: 63
Thanks: 17
Thanked 6 Times in 6 Posts
Default Re: Witte 3 HP timing and its demons

Update... Solved the running under no load issue for less than 20 minutes. Mixer level just had to be experimented on until she pulled just enough but not too much gas. Next job is to test it under load!
Reply With Quote
Reply

Bookmarks


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

F o r u m Jump

Similar Threads Chosen at Random
Thread Thread Starter F o r u m Replies Last Post
Witte 3 hp timing R. Kern Hit & Miss Gas Engine Discussion 0 01-26-2008 10:42:09 AM
Timing my Witte Chris Kirk Antique Engine Archives 4 09-16-2003 08:06:15 PM
More Witte timing... John Crist Antique Engine Archives 3 05-20-2001 11:37:26 AM
Witte timing... John Crist Antique Engine Archives 3 05-12-2001 10:10:03 PM
Witte timing James J. Long Antique Engine Archives 2 07-10-2000 09:45:05 PM


Use "Ctrl" mouse wheel to change screen size.
All times are GMT -4. The time now is 12:51:53 PM.

Smokstak and Enginads site search!


All use is subject to our TERMS OF SERVICE
SMOKSTAK® is a Registered Trade Mark - A Community of Antique Engine Enthusiasts
Copyright © 2000 - 2019 by Harry Matthews P.O. Box 5612 - Sarasota, FL 34277