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  • Anyone recognize this drill?

    Got this niffty little two-cycle drill,1/2" cap chuck,really well built.It's labeled as a "Drillgine" Made by Precision Multiple controls inc,Ridgewood,NJ.
    The tag that has the model/serial number is worn off.Trying to figure out who made the engine.It looks like a RC aircraft engine.It will run,if I can find a carb diaphram,but so far nothing has turned up.Any clues?



    I just need one more tool,just one!

  • #2
    No definite idea, although I think I have seen another one, possibly at an engine show.

    How about McCulloch as the origin of the engine itself? I've seen other special-purpose engines like that made by them and integrated into devices by some other company.

    Them or any of the chainsaw folks.... that engine sorta says chainsaw to me.
    1601

    Keep eye on ball.
    Hashim Khan

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    • #3
      On the subject of carbs, & diaphragms, does anyone know a source of Ohlsen & Rice engine parts??? I have 2, one on a generator, one for a bicycle, (Chicken Power) Both will run off gas poured in carb, but carbs are in need of rebuilds... Thanks

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      • #4
        I believe that engine is also an Ohlsen & Rice. I have seen a couple of those drills, but never been able to get one.

        They used that or similar engine on the small generators also.

        As far as parts, no clue, but RC suppliers may be a good place to start.
        Jim H.

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        • #5
          What a neat looking drill! I've got a couple of new Walbro carbs for 2-cycles. If you can get the mount dimentions and bore, I'll check on these tomorrow. The carb may not match exactly but it should work. I replaced the carbs on a few tools around here. I got 6 carbs off ebay for less than what a single rebuild kit cost retail.

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          • #6
            I'd go with the suggestion of replacing the carb from a model you can easily get parts for...maybe from some weedwhip thing or lawnmower/chainsaw...even if you had to make up a mount for it probably easier in the long run.

            Nice looking machine by the way...

            Chris

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            • #7
              I did some Googling and found it is infact an Ohlsson&Rice engine,but still no clue for parts.
              I wonder if there is a source for blank diaphram rubber?
              I just need one more tool,just one!

              Comment


              • #8
                Good Idea, on finding carbs & fitting them, I will check Ebay... I remember years ago, I used to see hundreds of new carbs at the local flea markets, usually for a quarter each. Flea market was only a few miles from the Homelite factory... If memory serves me, I think they were Tillotsons...
                I do know my O&R engines use Walbro....

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                • #9
                  From looks of air cleaner, I think it is Ohlsen& Rice... I once saw a Circular Saw with an O&R, but it was red...

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                  • #10
                    <font face="Verdana, Arial" size="2">Originally posted by Davis In SC:
                    From looks of air cleaner, I think it is Ohlsen& Rice... I once saw a Circular Saw with an O&R, but it was red... </font>
                    From the little(very little)I have found on the web,they made saws,pumps,drills,generators,lifeboat pumps and generators and the list goes on.

                    I wonder if neoprene or viton sheet the same thickness would work for the diaphram.

                    I just need one more tool,just one!

                    Comment


                    • #11
                      Weird, you are definitely correct, that is an Olsen & Rice(O&R) engine. They also made a complete chainsaw(Orline) that used the same engine, and I have heard that made another chainsaw which used a direct drive engine. I had a few of their chainsaws back in the early 80s, I used to use them a lot to clear our cycle trails. I talked to several small engine shops about them back then, every single one of them said the chainsaws were junk and that the company had gone out of business in the 70s. Olson and Rice did in fact build model airplane engines way way back, and I believe this engine is an adaptation of one of those model airplane engines.

                      Despite the fact that many small engine places told me they were absolute garbage, I thought they were not a bad chainsaw. I must've had four or five of them and various states of repair, any local shops it had when they took in trade were usually willing to give them up for $5 or $10 apiece. There were few annoyances with them. The first annoyance was the carburetor adjustments, just like a model airplane engine, you needed to adjust the needle valve for peak rpm each time you fired a saw up, and sometimes you needed to readjust it while you're cutting. The other problem was the location of the air filters, it was a stupid round thing stuck on the backend of the carb, the intake was also pointing towards the ground and is located below the bottom of the saw. If you sat the saw down in wet, soft ground, you would pack the air filter full of dirt and the saw would not run until you cleaned it out. Overall, it was good for occasional use. However, when faced with a major tree removal after a huge storm, I ended up spending $100 on a used Stihl 010. Besides having a bit more cutting power, it was a no nonsense saw. Fill it up, started up, and cut. No carb adjustments, no clogged intake, and it had an automatic bar Oiler :-) Only maintenance was chain adjustment.

                      Well, perhaps a little too much reminiscence from me. Where to get a carb kit? Well, I think you're there be hard-pressed to do this. I am reasonably sure the cards that use were their own design, or were custom-made for them, I have not seen them used on any other equipment. First thing to do would be check with small engine shops which have been around since the early 70s, if they have something on the shelf I'm sure the be happy to get rid of it. I have not heard of these engines Inc. popular with vintage model aircraft types, I doubt you can find parts there. I will also say that I have never seen that superthin diaphragm material anywhere, and I will remind you that there is usually a metal insert in the center which must be sealed and installed to the diaphragm. I have seen a different type of diaphragm material used, the carbs on my jet ski used a thin, clear plastic. They were just cut out sheets, there were no kind of inserts going through them at any point, perhaps you could try to make do with something like this? Another suggestion would be to try to fix any diaphragm leaks by coating the air side of the diaphragm with a gas resistant and flexible type of adhesive. I have done this in the past with carbs I could not get parts for, and have had some success. Before you even go to this point, clean out your gas tank, clean all the parts to the carb, and make sure you have good fuel supply as far as the carb. I was also told by many small engine shop that these things had constant ignition trouble, at least part of which is caused by the flywheel end bearing being extremely loose in fit.

                      If you definitely have a leaky diaphragm in your carb, and you have exhausted all means of getting a replacement carb kit, here is my next brilliant suggestion. Find yourself a diaphragm type carb that has a diaphragm slightly larger than the one on the engine. If you get lucky, the size of the metal insert inside will fit in the fuel chamber of this carb. At that point, just cut the diaphragm down to fit and you're ready to run. Somebody suggested trying to fit a different carb to the engine, this is perhaps an even better idea. The only problem is that these engines seem to have a rather small carb compared to what I'm used to, finding one that small enough may be a bit of a pain. Around me, I see weed whackers out to the curb all the time. You may pick a few of these up and try them for parts. I think your drill is not only a neat piece, but is also potentially very useful. I would say that it's definitely worth the time to try to fix.

                      Ed

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                      • #12
                        Okay, I just remembered something else. I once accidentally found a web site dedicated to old chainsaws. You may want to Google on that, if they have a forum, someone there may tell you a little more about where to get parts for it.

                        Somebody above also mentions that they are engine uses a Walbro carb, and I believe that company is still in business. Perhaps you can get lucky, and a local shop can match the part up.

                        Ed

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                        • #13
                          Thanks Ed,I was thinking of a weedeater carb,got two or three donors in the shed right now.
                          The little dinky carb is down in a hole basically and is surrounded by much other junk.Fitting even a weed wacher carb in there would be difficult(think 5lb suasage in a 3lb skin)

                          Do you or anyone else see any reason why I couldn't make an adpter to move the carb out further from the engine,say 1" more or less?I don't see any,am I missing something?
                          I just need one more tool,just one!

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                          • #14
                            A longer carb runner souldn't be a problem and will probably raise torque a couple of ounces--As long as you don't go overboard.

                            By the way, let me know if you want one of these NEW carbs. I'll shoot a pic and get it to ya in the morning. (NC)



                            [This message has been edited by CCWKen (edited 08-24-2005).]

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                            • #15
                              I have worked on both the chainsaw and drill, brand new they don't have any power. The carberator was a gennie Ohlsen&Rice. After Orline got out or sold out, the units were sold buy Rotorway in AZ. I doubt the thing will have enough crankcase pulse to run a Walbro carb, if you do this remember, you will have to run an impulse line from the crankcase to the carb. Good luck

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