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Had this exact issue... So excited with my Hawke Vantage scope on my new spring powered Walther Classus... was very dissapointed that optical dead centre didn't even show in my field of view.. full elevation didn't even have the POI above the black line into the mildots.. The solution? I bought Hawke high mounts and Hawke 25 MOA shims. I couldn't be happier. Honestly just use the proper stuff... my POI at 30yards is at a few clicks from ODC.. problem solved!

This was also a gift from my parents at the age of around 12 years and - like for so many others - set me off on a path of studying physics, mathematics and later computing ... Thanks so much, brings back memories!

Hi, the hiss is a sign that tr2 and tr3 are conducting. Tr1 is the radio frequency transistor and it's job is to amplify the radio signals picked up by the anntena coil, but it also is used to amplify the audio signal detected by Diode D1 and the choke coil thus Tr1 is doing two jobs for the price of one, a very neat trick and that is why Phillips used this radio circuit design its called a reflex radio circuit. Now to test if your Tr1 is working assuming all your connects are good, try the following. Remove the anntena wire that is connected to the base of Tr1 marked b on your project card. Now with your volume set on full touch the Tr1 base terminal with your finger. You should be hearing a loud hum coming through the earphone, which indicates that all 3 transistors are working and amplification of the audio signals is good. Now replace the anntena coil connection back on to the base of Tr1. Now the next test is to see if your Anntena coil is picking up radio frequency signals and amplified through Tr1. Again with your volume set on full, place your cell phone very close or on top of your Anntena coil, your should hear a very loud buzzing generated by the cell phones internal clock frequencies. Your could also try this test with placing a TV type IR remote control and pressing any of the buttons, or just by placing your radio with the antenna vey near or against and electrical output plug to pick up mains wiring hum. If any of the above tests prove successful, then your radio is recieving, detecting and amplifying correctly. If you are not tuning in any radio stations check that your anntena coil wires are all orientated correctly to the circuit board and that there are no broken solder connections on the coil itself, use a multimeter to check all these and other connections if possible. Remember this is 60yer old kit, and many of those spring and clip connections are tarnished. Buff and clean with switch cleaning fluid as requred. Most AM broadcast stations are stronger at night and the use of the outdoor anntena is advised. The tuning capacitor is about 150pf and may have a short between the moving plates check to see that the plates are moving without any shorts accross its entire tuning range. Also remember that the AM transmissions recieved by your coil are directional so its always best to rotate your radio to pick up the strongest signal. Good luck with getting your radio up and running.

Such a fantastic and helpful video.

Normally shot single handed

That drill doesn’t fill me with confidence About the information your trying to impart,

Verry good interested film Verry good t0 understanding 👍

Thank you, answered my questions 😊

Inaccurate guns aren’t the best you can own.

The Winchester 353 is not recoilless. It is a mod. 5 the 363 is recoilless

I started my life in electronics in 1972 when I was 15 years old, using this Philips Electronic Engineer Kit. At the end of 1975 I won a job competition and started working at a Broadcast TV Station. Today I have almost 50 years of experience in the area of ​​electronics and telecommunications with several products that I developed and approved for this purpose. I arrived here on your channel and was amazed at the state of conservation of your Kit. I'm trying to rescue one of these. Congratulations!

I re-sealed mine as the old ones had turned to cheese. Had no problem dismantling it, putting it back together was something else. It was spread out on the kitchen table for a week before I finally got it together, and it worked haha. Be easier doing it again but I expect the new seals to see me out being as I'm 70.

I have the same variant 600 with its sintered steel trigger, button safety and blue-black finish. Mine has the turnback filling cap. These are an interesting design which sometimes can be very temperamental. Thanks for another great video. Mine works faultlessly with Crosman Ultra Magnum.

did you ever find the website for the valve stem replacement, im in desperate need

Hello Sir, Thank you for filming and commentating on a fantastic review of dismantling and re- assembling your Diana Model 27 spring piston air rifle. What a great, interesting view. I wondered if you could help me, please? My late, dearly loved father left me two Diana Original Model 35 air rifles in .177 and .22 calibres. They were dry inside, unloved and in need of much tlc. My father though never complained, suffered ill health and wouldn't have left those air rifles like that through choice. He cared too much. I was a 1970's child who was seen and not heard. My father kept me away from air rifles. They were his land and not to be trespassed upon. In those days, if your parents told you not do something, you didnt do it. End of! Not like these daysI ld have loved air rifles in my life. Ihave renovated both air rifles now. I installed both with new modern piston/breech seals sourced from Australia.I made both of them top hats which they didn't originaly have and sleeved the piston insides and spring guides. I used the best paste's, greases, I could. I'm so happy with how they turned out. The horrible buzz/twang has gone now, leaving more of a zip noise and Id say less recoil. I get the impression this Diana model was underpowered and not improved, so left behind by it competitors. Would that be true? I don't think these air rifles would be full power, though I'm super pleased with how my journey has turned out and their overall function has vastly improved. I would love to know anything you could tell me and hope I'm not being a nuisance. Thank you, Ian.

Great, clear instruction. I purchased MKI pistol in the late 70's ,put it away and never touched it again. I did follow your directions and it was easy. I did rebuild piercing plug by removing inner threaded sleeve and replacing o ring. Three weeks after piercing co2 full power shooting. Thanks again. Nick

whats the thread size on the lathe please

Thanks for putting this up. You've helped me take mine apart, clean, replace seals, lube, and put her back together.

Lol, I had to have a machinist make me an adapter because I couldn’t match the thread size. $20. Not too bad.

Is there a link to the seal kits

Next question is, do you ever answer anybody? Does anybody ever answer anybody?

Where can I find and buy a crosman mark ll co2 cap that punches the gas cylinder

Ive tried to unscrew the trigger block from the main body on my pre war Mod 27 but it doesnt want to budge . Any suggestions on how to get it apart ? Thanks

Delrin valve seal …. I replaced mine with a nylon o-ring which I made on the lathe. This required removing the brass valve head from the stem. These parts are pressed together and required a small hydraulic press to get them apart. And even then I had to simultaneously apply a bit of heat to the brass with a propane torch. Note that the stem only presses out in one direction … away from the seal. This is due to a small flaring taper in the stem just in from of the seal …. it is this taper which holds the seal in place. The seal OD did not need to be a precision fit but the ID did. A finger-tight press fit between the stem and seal was sufficient. To reassemble, the seal was placed into the brass and the stem carefully pressed in with the hydraulic press until the flared part of the stem just met the seal. And that’s it. Some new valves don’t have brass at all, it has been replaced with some sort of plastic (Teflon?) which also serves as the seal. This is much easier to make. In future. I’ll make a single Teflon or nylon block to replace the brass + seal and press it onto the stem.

Definitely gonna get one of these

Nicely done sir thanks for sharing 👏

Thanks a ton I was able to completely dissemble and replace all of the seals and put it all back together and it works! Great instruction and did not go too fast or use unknown vernacular. Wish the lighting had been better but I know it's a black gun so not easy! Definitely got me through super happy. Getting that last valve out was super difficult Glad you said to heat it up because that's what did it!

Hi there I have the same problem and I’ve just looked on the John nibs website and this is what came up. Washer assembly part no. DIANA22PS could you please confirm that was the part you bought please. Thanks for the video really really helpful

Perfect gun in a Star Wars movie set.

I went to that exhibition. I was there 1977-1982

I build all circuits and to this day it was my most appreciated childhood toy The radio I used for many times It is however an amplified crystal set and needs an external antenna and earth to make it pick up stations . Used it to pickup mw stations that were 50 ks away and even some short way. The variable resister you refer to is a variable capacitor but it could tune the full mw band also pulling the iron core partially out of the core tuned frequencies as well. I remember having the intercom setup between my tree house and our house. Really had lots of fun and I too went into the electronics industries and still a contractor for NBN here in Australia.

I build all circuits and to this day it was my most appreciated childhood toy The radio I used for many times It is however an amplified crystal set and needs an external antenna and earth to make it pick up stations . Used it to pickup mw stations that were 50 ks away and even some short way. The variable resister you refer to is a variable capacitor but it could tune the full mw band also pulling the iron core partially out of the core tuned frequencies as well. I remember having the intercom setup between my tree house and our house. Really had lots of fun and I too went into the electronics industries and still a contractor for NBN here in Australia.

Hello I too had an Electronics engineer kit

Built my first radio with one of these kits in the fourth grade. My dad made me use a sheet of plywood and make my own connectors. I will always be grateful for that! RIP Dad.

I am thinking of getting one of these what power do these put out in ftlb?

The part that digs in is supposed to be hit with a wood mallet traditionally, i think that would help the digging in and and thread deformation. Great video

I have an older auto and my low milage driving flattens my battery quicker so I use the paddles to hold a lower gear at higher mph to increase the rpm and recharge the battery quicker.

Not that it matters to your problems with getting this going, but the rotary component in the bottom left corner is a variable capacitor. I had this kit when I was about 8 to 10 years old and most of the projects worked as described. There was very little learning though, as it was mostly just copying the component placements. My strongest memory was how much the terminals hurt my small fingers when pushing the barrel springs over the post pins, and again taking them of in preparation for a new project.

Thanks Richard. I have Diana air rifle model 25. Which is since last 50 years with me now I need to replace it's main parts leather washer and spring. Please guide me how can I get these parts.

The two setting trigger adjuster is for target shooting for ISSF rules at 500 grams max and the other 1035 grams for center fire training. If you look under the barrel on the frame you will see a screw hole and this is for attaching a plate which prevents the top frame from moving backwards. Basically it turns the pistol into a recoiling, centre-fire trainer. This feature was not available on the later FWB 80. I'm working on a FWB65 which I bought incorrectly assembled as the top frame was locked. It turns out the rear sledge pin was not correctly replaced. In your video you refer to a part that has to be lifted so that the pin can be inserted. On my pistol this wasn't done so the top frame couldn't slide back upon discharge. I did manage to lose one of the eclips (called Jesus clips because one says: "Jesus!" when they launch into space never again to be found) so I'm waiting for some to arrive. There are also some very thin washer s which are easily lost. With a bit of luck my pistol will operate the same as yours. Many thanks for a great series of videos.

Thank you for your honest rewievs. I've been drinking it for a year now and I'm honestly not impressed. When I started drinking it, my blood sugar was 9, and now after a year it's 8.5. So no change. In the meantime, I heard that the manufacturer changed the composition of the plants in Curalin and that many people are not satisfied. Have you continued to drink it, have you heard about the changes in this product. What medicines are you using today?

Where are the rest of the series of this Diana 6?

I was also a big Gerry Anderson fan, and the shows - and TV21 in particular - inspired me to become a graphic artist as well as scriptwriter, proofreader, comics editor and multimedia designer. My particular favourite TV21 artist was Ron Embleton.

Oh I loved shooting it….just an awesome piece of German engineering…..my best score was 384/400….way back in 1983 !!! Thanks for posting this video 👍

None of your guns shoot very well.

Waffle waffle

Mine is very consistent till shot 95 then the pellets start drop

What's the address to get parts for the FWB 65 Pistol?

Didn't we used to play bridge with the chemistry teacher at school?

That was great. I experienced valve lock at the open range yesterday, and it was because I overfilled the pcp. This is how I ended up here.