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Visible v eight

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  • Member since
    May, 2016
Visible v eight
Posted by Raulduke on Thursday, February 16, 2017 5:50 PM

Well I built this kit as a kid . Figured I wanted a another crack at it as an old man with a bit more experience . If I recall correctly the older one  had an electric motor and spark plugs that lit up at the proper time. Any way guess I'm just looking for helps and hints.

  • Member since
    April, 2015
Posted by Mopar Madness on Thursday, February 16, 2017 8:43 PM

Welcome to the forums.  I recall that kit back in the 80's.   Made by Revell if I'm not mistaken.  

Chad

God, Family, Models...

At the plate: 1/48 Dragon Ho 229

On deck: Hobby Boss 1/48 Bv-141/B

In the hole: 1/48 Eduard Yak-3

  • Member since
    May, 2016
Posted by Raulduke on Friday, February 17, 2017 8:48 AM

Yes it is revel. But am I right in thinking the old one was battery powered, and the spark plugs lit?

  • Member since
    May, 2016
Posted by Raulduke on Friday, February 17, 2017 8:51 AM
By the way, I'm sorta a molar guy myself. First car was a 71 roadrunner,383. Wish I still had it
  • Member since
    September, 2012
Posted by GMorrison on Friday, February 17, 2017 10:38 AM

Post in Autos you'll get plenty of interest.

Originally by Renwal, it was electrified and it can be found for collectors prices on eBay.

Revell devices it without the motor or flashing plugs.

 

  • Member since
    November, 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Saturday, February 18, 2017 8:57 AM

Raulduke

Yes it is revel. But am I right in thinking the old one was battery powered, and the spark plugs lit?

 

Yes, electric motor and lighting spark plugs.  But lubrication was very important- plastic rubbing against plastic is a pretty high friction situation.  Recommended lubrication was salad oil, and plastic (pistons and cylinders) must have no burrs, scratches or anything, else engine will sieze, running batteries down.

Don Stauffer in Minnesota

  • Member since
    May, 2016
Posted by Raulduke on Saturday, February 18, 2017 2:27 PM

Thanks don. Yes instructions recommend oil , I'm thinking 3 in 1 oil for lubrication points. Also thinking ca for all the nuts that have to be captured(they recommend epoxy) I don't see a problem with this,however I value your advise. I intend to paint all parts. Haven't checked the tolerance between piston and cylinder head yet , but I can't imagine it being that tight. Your thoughts?

  • Member since
    September, 2012
Posted by GMorrison on Saturday, February 18, 2017 4:17 PM

Raulduke

Thanks don. Yes instructions recommend oil , I'm thinking 3 in 1 oil for lubrication points. Also thinking ca for all the nuts that have to be captured(they recommend epoxy) I don't see a problem with this,however I value your advise. I intend to paint all parts. Haven't checked the tolerance between piston and cylinder head yet , but I can't imagine it being that tight. Your thoughts?

 

theres a YouTube where someone "balanced and blueprinted" one, ran at a claimed 7000 rpm.

i probably would stick with veg oil.

Petroleum on plastic might be a problem.

  • Member since
    June, 2014
  • From: New Braunfels , Texas
Posted by Tanker - Builder on Saturday, February 18, 2017 4:19 PM

Hi ;

    I gave this some thought and came up with a Lubricating that seems to work really good . Airfix has a Low Pressure Paddle -Wheel Steam Engine .The parts are somewhat larger but so far this has worked .

 All contact surfaces have been Foil-Chromed , then lightly heated with a hair dryer . Don't get to close now ! After you've gone over all the contact surfaces then let sit in a cool dry place for the night .

  Now go to the Hobby store , Get some Extra - Fine model train gear lube . lightly brush the lube on the contact surfaces and then assemble . DO NOT get glue on the surfaces . Let set and slowly over and hour or so start manually spinning the engine .When it is faultlessly smooth Add the batteries and NEVER run for more than four or five minutes at a time .

 All models , however lubricated have one common enemy , Heat from friction . That's why a circus on a public train layout is so expensive . If the operators run them too long the rides eventually self destruct .  T.B.

  • Member since
    May, 2016
Posted by Raulduke on Saturday, February 18, 2017 4:23 PM

Wow! No I won't balance and blueprint the kit. But the lubricant is a thing to consider

  • Member since
    August, 2005
  • From: Sydney, Australia
Posted by Phil_H on Saturday, February 18, 2017 11:28 PM

I've never built this, so I don't know how accessible the parts are for ongoing lubrication after completion. Personally, I would be hesitant to use a vegetable based oil, as these have a tendency to gum up after a while. Also, it may go rancid and make your model smell awful.

I would be looking at something like a plastic-friendly grease, perhaps something like Tamiya ceramic grease or Moly grease, which can usually be found in the R/C section of your LHS.

  • Member since
    September, 2012
Posted by GMorrison on Sunday, February 19, 2017 12:06 AM

BTW other "visible" engine models have been the Wankel rotor and the Allison turboprop.

 

  • Member since
    June, 2014
  • From: New Braunfels , Texas
Posted by Tanker - Builder on Sunday, February 19, 2017 10:33 AM

Hi G;

    Well , funny you should mention them . I have built both at different times .I had as much trouble with the model Wankel as many folks had with the real one . My Allison was a dream to put together . I must've gotten one of the good ones . T.B.

  • Member since
    February, 2008
Posted by CaddMann05 on Monday, February 20, 2017 9:11 AM

I built the Visible V8 when I was 15 years old, and that was a long time ago.  I got it to work some of the time, but the pistons would not go up and down smoothly.  I have wanted to get another one and this just might be the year I do it. Yipee!

Varity is the spice of life. Chef

caddmann05 Cowboy Geeked

  • Member since
    July, 2014
  • From: Meridian, ID
Posted by modelcrazy on Tuesday, February 21, 2017 5:27 PM

I still see the kit at Hobby Lobby sometimes. They still have the generator and carborator.

Welcome to the forums.

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  • Member since
    February, 2006
  • From: Boston
Posted by Wilbur Wright on Tuesday, February 21, 2017 8:03 PM

The 1/4 Revell V-8 with the hand crank to operate is still readily available.  Tower Hobbies has it. I always thought that was an awesome kit.

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