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Darmic1
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Quote Darmic1 Replybullet Posted: 13 Mar 2013 at 10:57pm
This is the Barrel I shall be using for this engine. Its got a very small amount of wear front and rear at the very top the the stroke. This will be rectified by fitting an extra piston ring at the skirt of the piston. There are also some very light marks in the barrel. They can be seen on the photo, but are not significant and can be removed with a good hone, along with the tiny amount of wear.
 
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Darmic1
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Quote Darmic1 Replybullet Posted: 13 Mar 2013 at 11:23pm
The Barrel after painting. Have yet to hone as honing tool has a cracked stone so a new one is on order.......
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Darmic1
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Quote Darmic1 Replybullet Posted: 13 Mar 2013 at 11:26pm
The Piston with its new 4th ring fitted to the piston skirt. This will prevent slap and uneven wear to the barrel.
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Darmic1
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Quote Darmic1 Replybullet Posted: 13 Mar 2013 at 11:31pm
The cylinder head had a small amount of corrosion around the spark plug, causing a poor seat for the plug. This was rectified by filing flat the surface around the plug.
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Darmic1
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Quote Darmic1 Replybullet Posted: 26 Mar 2013 at 11:29pm
Have now 'honed' the barrel. These pictures show the 1st to 4th passes.... Almost all the marks have now been removed, there are only a few left, right at the bottom of the stroke. Not too concerned about these as they are so light and can barely feel them.
 
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Darmic1
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Quote Darmic1 Replybullet Posted: 26 Mar 2013 at 11:35pm
Have also given up waiting for my brother to make the new cover. Have bitten the bullet and purchased a new one from Standens. Arrived yesterday and taken straight down to the powdercoaters, along with the new wear shoe and the new soil flap. All will return orange and not the horrid Dowdswell green!
Hopefully then I can finish the assembly and it should be all finished!!!
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series1gem
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Quote series1gem Replybullet Posted: 27 Mar 2013 at 6:08pm
Looking forward to seeing the finished result,probably the nicest restored gem out there.
If it isnt orange it isnt a rotavator
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Darmic1
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Quote Darmic1 Replybullet Posted: 27 Mar 2013 at 8:10pm
Dont know bout that.... might be the longest resto...... now over 2 years!
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series1gem
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Quote series1gem Replybullet Posted: 27 Mar 2013 at 8:35pm
Originally posted by Darmic1

Dont know bout that.... might be the longest resto...... now over 2 years!

My twin was started back in 2010, still not finished, due to a number of reasons.
If it isnt orange it isnt a rotavator
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Darmic1
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Quote Darmic1 Replybullet Posted: 27 Mar 2013 at 9:00pm
Ha, ha, you just have far too many.....
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series1gem
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Quote series1gem Replybullet Posted: 27 Mar 2013 at 9:03pm
Originally posted by Darmic1

Ha, ha, you just have far too many.....
To be fair i did sell one the other day, but i suppose the problem was that it was only a 350 and replaced with 3 gem sized machines!
If it isnt orange it isnt a rotavator
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Darmic1
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Quote Darmic1 Replybullet Posted: 27 Mar 2013 at 10:15pm
[/QUOTE] To be fair i did sell one the other day, but i suppose the problem was that it was only a 350 and replaced with 3 gem sized machines! [/QUOTE]
Puts head in hands!!! :-)
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Darmic1
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Quote Darmic1 Replybullet Posted: 25 Apr 2013 at 5:30pm
Now have all the parts ready to finish this project! Collected the last of the new parts from the powder coaters today....... Maybe next week it will be finished??
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Quote Darmic1 Replybullet Posted: 29 Apr 2013 at 11:07pm
I started the final leg of this restoration today, making a start bolting the last of the bits back together. Its been 2 years since i've seen some of the nuts and bolts and couldn't find the box with them in........ A trip to the local Unimaster to restock all the fixings required. Im sure that box will reappear once i'm finished.
Here's todays progress, got the chain tensioner refitted and chain tensioned, smothered that and both the gears in "Pecker grease" kindly donated by S1G!
Fitted the new gasket and refitted the chain cover, wear shoe and support bracket. Unfortunately the "set screws were not salvageable so have decided to use 7/16ths nuts and bolts. I will paint the bolt heads soon.......
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Darmic1
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Quote Darmic1 Replybullet Posted: 29 Apr 2013 at 11:09pm
The colour difference in the above picture is down to using the flash, in daylight the colour is the same!!!
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Darmic1
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Quote Darmic1 Replybullet Posted: 29 Apr 2013 at 11:15pm
Also got the rotor shield fitted. This is a new one from Standen Engineering as my brother has been very busy at work, unable to make one for me. Refitted the Rotor shaft and the new blades, I know they are still green, they will be painted black too........
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Darmic1
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Quote Darmic1 Replybullet Posted: 29 Apr 2013 at 11:25pm
Tried to refit the rear shield too, but for some reason its about 3mm too wide to fit between the end plates of the front shield? Have had to take drastic action and remove some of the powder coating and some of the steel to allow it to slot in. Managed to get it on, but tighteneing the bolts, one decided to shear off, and it wasnt even tight. Will have to find the stud extractors to,orrow and remove whats left......
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Darmic1
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Quote Darmic1 Replybullet Posted: 29 Apr 2013 at 11:30pm
Here's a couple of pictures as things stood this evening, sorry for the pictures, it had gotten dark!
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howardhoe
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Quote howardhoe Replybullet Posted: 30 Apr 2013 at 5:23am
Gee you do magnificent work. If i could do a restoration half as good as this i would be well chuffed. I like the finish on the exhaust, what did you use?
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Phil Somers
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Quote Phil Somers Replybullet Posted: 30 Apr 2013 at 8:32am
I use Fireblack spray which is used on woodburning stoves, puts a nice mat black finish but if you want to gloss it you can polish it up to a gloss finish.
I just wish I could find the same contacts as Daren has for powder coating.
 
He is in a class of his own!
 
Phil
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Darmic1
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Quote Darmic1 Replybullet Posted: 30 Apr 2013 at 9:09am
Hi Paul, Thanks for the comments, I used a standard can of VHT (very high temperature) paint, available from the local Halfords (motor factors). Its applied to the cold exhaust and left to dry. Once dry I refitted to the engine and started the beast. I left it to run for approximately 10 minutes then allowed to cool, repeat the process a few times to fully cure the paint. Dont allow the exhaust to get too hot as the paint will blister before its had the chance to become fully heat resistant.
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Darmic1
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Quote Darmic1 Replybullet Posted: 30 Apr 2013 at 9:23am
Hi Phil, How far from Newbury, Berkshire are you? My powder coater gets jobs from all over the UK, sent in on pallets. He also has guys travelling around the country shot blasting all sorts, google A and C Shotblasting. He is kinda old school too, which means cash is a better deal! nudge, wink....
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Quote Phil Somers Replybullet Posted: 30 Apr 2013 at 1:47pm
Unfortunatley about 275 miles. I will just have to set up my own powder spray shop. (I wish)
 
Phil
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Burnsy
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Quote Burnsy Replybullet Posted: 30 Apr 2013 at 2:13pm
Such an awesome job, bet it never looked that good out of the factory.
 
How and what do you paint all the bolt heads with in the end and do you just use black steel bolts?
Thanks, Mike
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howardhoe
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Quote howardhoe Replybullet Posted: 30 Apr 2013 at 3:34pm
Originally posted by Darmic1

Hi Paul, Thanks for the comments, I used a standard can of VHT (very high temperature) paint, available from the local Halfords (motor factors). Its applied to the cold exhaust and left to dry. Once dry I refitted to the engine and started the beast. I left it to run for approximately 10 minutes then allowed to cool, repeat the process a few times to fully cure the paint. Dont allow the exhaust to get too hot as the paint will blister before its had the chance to become fully heat resistant.
 
Thanks for the tip. The stuff i used on my allen scythe all lifted, but i just gave it a good run after painting and must have cooked it too fast. I will do as you say next time. Also the stuff i used was all shiny, i didn't like it, i like that matt finish.
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Quote Phil Somers Replybullet Posted: 30 Apr 2013 at 8:07pm
I like the quality of you honning on that barrel Darren. Real class. What machine have you used?

Phil
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Darmic1
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Quote Darmic1 Replybullet Posted: 30 Apr 2013 at 8:28pm
No machine Phil, just a Draper 3 arm hone and the Dewalt........ Plenty of oil and a very repetative in out motion!
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Darmic1
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Quote Darmic1 Replybullet Posted: 30 Apr 2013 at 8:32pm
Hi Mike, Thanks for the comments, I will hand paint the bolt heads with the same colour paint used on the project. My local supplier mixes up a pot of touch up paint for me.
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Darmic1
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Quote Darmic1 Replybullet Posted: 30 Apr 2013 at 10:01pm
Here is a picture in the daylight showing the colours in natural light.
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Darmic1
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Quote Darmic1 Replybullet Posted: 30 Apr 2013 at 10:03pm
Todays progress....... Managed to extract the offending sheared bolt, re-tapped the thread and got the rear shield fitted finally! Only to remove it again to paint where the powder coating was removed. Here it is all fitted.
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Darmic1
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Quote Darmic1 Replybullet Posted: 30 Apr 2013 at 10:10pm
Got the depth foot and support braces refitted, also temporarily fitted the soil flap, but need to buy some threaded bar to mount it properly. Also fitted the split pins to the selector rods. Here it is almost finished.......
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Darmic1
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Quote Darmic1 Replybullet Posted: 30 Apr 2013 at 10:16pm
Well, all thats left now is to add the black to the controls, fill the gearbox with sae 80 oil. I will paint the blades and bolt heads soon.
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series1gem
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Quote series1gem Replybullet Posted: 30 Apr 2013 at 10:18pm
Amazing, simply amazing!
If it isnt orange it isnt a rotavator
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Darmic1
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Quote Darmic1 Replybullet Posted: 30 Apr 2013 at 10:25pm
 
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Darmic1
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Quote Darmic1 Replybullet Posted: 30 Apr 2013 at 10:26pm
Thanks Gareth, couldn't of done it without the help of some of you guys......
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