Here is a list of all the postings Trevor Drabble has made in our forums. Click on a thread name to jump to the thread.
|Thread: How to machine an ellipse|
The turning of an ellipse is a regular feature of ornamental turning , and is usually done using a Holtzapffel Ellipse chuck or similar . Search the above terms to yield a wealth of information .
|Thread: Macgregor digimac transmitter receiver crystals 3|
Ripmax sell 27Mhz crystals , which are available from many model shops . Their web page lists local suppliers .
|Thread: Electronics assistance - reduction of output DC voltage|
Component Shop may even suggest 2 of these units connected in parallel and fed through a P103 Power Board ( £14.50 ) , which is available from their associate company , Action Electronics . Though since I am not electronically minded this may not be feasable .Trevor
May I suggest you speak with Component Shop ( 01248 719353 ) . They produce 2 high power voltage reducers ( 10.5v/40v or 16/40v input) each of which will easily give you the 3 volts and will handle up to 7 amps (8amps with addition ventilation ) and they only cost £8.95 each . They may even be able to supply higher capacity units to order . Hope this helps . Trevor
|Thread: Groz metal Bender|
The quality of my Groz is absolute rubbish . As soon as I tried to work it with anything of substance both the rack and the clamp plate bent so easily that it went straight back in box , where it has ostensibly remained ever since . Must get round one of these days to slinging it into the scrap bin .
In the past I have found Mashlin Friction of Sheffield very helpful . I have no connection with the company .
|Thread: Bridgeport Mill - Convert to 240v Single Phase|
I would suggest you also talk with Direct Drives on 01623 720710 . They also have a useful web page . I have no connection with the company .
|Thread: Queen street mill,Burnley- worth a trip|
GREAT . On my 120 mile return visit just before they closed , bought some of their calico cloth and it's EXCELLENT. Can't wait for them to re-open so I can purchase some more and take more pictures of this wonderful mill .
|Thread: Quorn Castings|
I have for sale ( when I sort them out ) a complete set of unused Quorn castings , thread milled coloum , Parvalux motor ,drawings , book and grinding wheels from MES from 2005 .
Neil , If you feel this in wrong place.please move to classifieds .
|Thread: Plain bearing materials|
Martin , In that case , are there any suitable downloads available from any of the leading bearing manufacturer's web sites ?
Martin , Workshop Practice book No 40 entitled Bearings is a good starting point and is available from Chronos amongst others .
|Thread: 3" Allchin Model|
Matt, John Rex Model Engineers at Pontefract used to supply the castings for this model , perhaps they still do . They therefore may be able to assist with drawings .
|Thread: Is society becoming more stupid|
Another example of the "sue" culture ? Remember the American who successfully sued a motorhome manufacturer , who , as he was driving down the road , set the vehicle to automatic and then went into the back to make a drink and was then less than happy when the vehicle subsequently left the road and crashed ?
|Thread: Bench grinders and their dust|
I cut 2 stubs into the bottom of the wheel guards on my Creusen for connection to my tool vacuum cleaner , from whose socket the grinder is fed , thus ensuring automatic start-up .
|Thread: Maplin Electronics Stores|
Unfortunately , in essence I agree with previous posts in that even their in-store catalogue is worse than woeful . As a result , I asked the Rotherham store staff for help , but they also were useless . I did however eventually buy some items . When I later asked for a circuit , I was told one was not available . I then completed their feed-back form complaining at the abysmal situation that no circuit was available , only to receive a reply saying my comments had been moderated and would not be appearing on their web page comments section .
I subsequently sorted the circuit and bought the additional other components I required elsewhere . Can't help feeling it's a highly regretable situation .
|Thread: Joining cast iron|
Martin , Do you have access to oxyacetylene equipment please ? Trevor.
|Thread: sodium bisulphate as a pickle for copper?|
Fizzy , A bit off the wall , but would either a local chemical plating shop (as in say chromium plating ) or furniture/door stripping shop have any suitable chemicals available , and if so , could you "piggy back" with their orders to their suppliers ? Trevor.
|Thread: Stuart Model delivery|
Steve , Have sent you a PM. Trevor.
|Thread: looking for a suitable diesel/petrol engine for an 'unusual' model boat|
Mark , I assume you are looking for an ic engine in order to maintain authenticity , in which case my suggestion would be that since such engines used to be common place for driving small generators or pumps I would look in the adverts sections of such publications as Old Glory , Vintage Spirit or Stationary Engine . You may even consider placing a wanted advert in any of the aforementioned mags . Maybe there are equivalent French publications , or even fleabay ?
In the past I have seen such engines for sale at the farmers auction at Driffield Steam Rally , so maybe a similar local event may prove fruitfull ?
If you do go down the electrical route , there are some sound generators that can be programmed with your own sounds if those as supplied are not suitable . As an example , try looking at Harbor Models in USA . Not cheap , but am really pleased with mine . Also see Mtronics and Action Electronics . With regards to a motor , since you going to be swinging a large slow reving prop would suggeSt you need a high torque motor such as found on golf carts ( 12 volt ) or better still , as found on mobility scooters ( 24 volt ) . Maybe you have local repair shops for either of these ?
Hope you find abover helpful as initial options for consideration .
|Thread: Spindle speed controler|
Carl , Have sent you a PM. Trevor.
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