Author Topic: Project 1065  (Read 10991 times)

Online Kickaha

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Re: Project 1065
« Reply #60 on: 26.04. 2016 21:30 »
And while we're briefly off topic my humble A10 (no A65 parts excepting A70/T140 rods) will be at Taupo for rides on this Saturday for the  sidecar HAGD between 10am and 2pm
Tim
I'm heading up for that to take a friend to it, if she like her ride on the LCR I might see if she wants to try a classic as well
1955 BSA Gold Flash
New Zealand

Offline danma

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Re: Project 1065
« Reply #61 on: 29.04. 2016 20:44 »
 Had a spare 5 mins so finished the coil bracket and made a ignition trigger for the ignition. I can see it's going to be a squeeze getting a front pulley, alternator, fruit bowl and nut on there so it might be plan B .

 This would mean losing the alternator and fitting an alton job in the original position.   I like the idea of this as it would give the bottom front of the motor a more tidy original look.

 I don't like the idea of the expense, machining off the top front lug , making a new dynamo bracket, new front plates, oil filter mounting,oil pipes and re wiring the re wire. I'll worry about that after the twin plugging is done .

 The lightning head needs a little work in the combustion chambers and the tubes for the extra plugs should be done shortly.

Offline muskrat

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Re: Project 1065
« Reply #62 on: 29.04. 2016 21:16 »
The little holes around the head fin *????*
Cheers
'51 A7 plunger, '57 A7SS now A10CR, '76 XT500, '77 AG175 '83 CB1100F, '81 CB900F project.
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Muskys Plunger A7

Offline danma

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Re: Project 1065
« Reply #63 on: 29.04. 2016 22:41 »
 For nailing the extra fins on.

 I always try to do things properly so I use a spirit level to hammer my screws in .

Offline Daxcobra

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Re: Project 1065
« Reply #64 on: 30.04. 2016 08:22 »
Great thread, enjoying following the progress, my own workshop is like a butchers shop when I am fabricating bits, looking at the head work, due to the high compression on this A10 I am working on at present, I was thinking of looking at the feasibility of compression releases such as fitted to Harleys, you can have them blow closed on combustion so easy to operate without going too technical,the thread on them is 10 mm so not too big, need a gash head to check out the possibility? Sorry not meaning to hijack this thread, I love to see talented individuals pushing the boundaries with projects like this, fantastic keep up the good work.  Dave

Offline muskrat

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Re: Project 1065
« Reply #65 on: 30.04. 2016 14:03 »
Ah, yes I forgot about those. Just too much going on with that motor for my feeble mind. *bash*
Dave, my A7SS with 14:1 was still kickable (in the workshop). At the races (no kicker fitted) it was bump started or via spinning the back wheel in gear by hand. Yes a big twin (1340+cc) would probably need a decomp but I doubt a 500/650cc twin would. Depends how heavy you are.  *whistle*
Cheers
'51 A7 plunger, '57 A7SS now A10CR, '76 XT500, '77 AG175 '83 CB1100F, '81 CB900F project.
Australia
Muskys Plunger A7

Offline danma

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Re: Project 1065
« Reply #66 on: 30.04. 2016 21:22 »
 Bit of lathing today produced two tubes and sleeves.

 The rockers look close but a bit of clearancing should sort it once they are welded in.

 Got to make a jig to hold them concentric and upright- a bit of  bar threaded into the plug hole  and suitable spacers .

 No idea what a compression release or a harley is, but I have a fat foot so not worried.

Offline danma

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Re: Project 1065
« Reply #67 on: 06.05. 2016 20:37 »
 Made a Stonehenge jig to hold the tubes. A chunk of 7075 that was going to be a caliper adapter bracket until I put a 8mm drill through the holes that were supposed to be tapped m8.

 The top of the tubes locate on the spigots and the 1/2 inch bar threaded into the plug hole should hold everything true. A couple of clamps will be used to avoid relying solely on the plug threads.

 Can't really add much more without spoiling the access to what will be a tricky operation anyway.

 The ignition rotor has also been made smaller and a trigger mounting bracket is in the design stage.

Offline danma

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Re: Project 1065
« Reply #68 on: 08.05. 2016 20:53 »
 Tubes welded in successfully although if you could not find your glasses there may be some confusion over where the carbs fit.

Offline muskrat

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Re: Project 1065
« Reply #69 on: 08.05. 2016 21:42 »
Good one mate. I think I saw that on the British Motorcycle Mechanics forum.
Cheers
'51 A7 plunger, '57 A7SS now A10CR, '76 XT500, '77 AG175 '83 CB1100F, '81 CB900F project.
Australia
Muskys Plunger A7

Offline danma

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Re: Project 1065
« Reply #70 on: 09.05. 2016 21:09 »
 Bit more progress

 Plugs and spanner goes in   and comes out ok. Pushrods clear the tubes.


 The holes in the rockerbox lid have been enlarged ready to have the sleeves welded in. Those sleeves are sitting too low on the tubes in the pics and once raised slightly give plenty of clearance throughout the rocker arm movement.

Offline danma

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Re: Project 1065
« Reply #71 on: 13.05. 2016 21:09 »
 Welding done, although I thought Tim had welded the cover to the head-10 mins of rubber mallet bashing would not shift it. Hammer and ally drift eventually persuaded them apart . No screwdrivers or scaffold tubes were harmed.

 After a few trial fits works a treat   - no cover/ rocker arm contact.
 
 Plugs caps and spanner fit fine but have not tried with the tank on.Cover easily removable .

 Feeling pleased with the success of my first twin plug job then had a bit of an oh poo moment - the head is no longer fitable or removable with the motor in the frame.

 This is hardly the end of the world as I prefer to build on the bench rather than in frame.It does not take long to have the motor out.

Offline muskrat

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Re: Project 1065
« Reply #72 on: 13.05. 2016 22:03 »
Luv it. Glad you sorted the problem in the 1st picture. The head was bolted to the inner timing cover *ex* *smile*.
Engine removal isn't a biggie. Although I find the frame to be the best engine stand and once stripped to the bare cases & crank, a lot lighter to get out.
"Not long now"
Cheers
'51 A7 plunger, '57 A7SS now A10CR, '76 XT500, '77 AG175 '83 CB1100F, '81 CB900F project.
Australia
Muskys Plunger A7

Offline danma

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Re: Project 1065
« Reply #73 on: 27.05. 2016 21:39 »
 Now have an Alton generator--bit of work making that fit.

 An ignition trigger mounting is done but I can't help but think that a chunk of ally like that should also carry an extra bearing. Would I end up with too much stiffness in my shaft?

 Production has briefly ground to a halt while the ignition and ignition box is replaced on the other bike.

Online RichardL

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Re: Project 1065
« Reply #74 on: 27.05. 2016 23:41 »
I am going to say, "Is that even possible?" because it applies to so much you've done and said. Love the Sponge Bob face. I trust it will be permanently etched-in.

Richard L.
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