absmiami
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Everything posted by absmiami
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Martini Porsche 934
absmiami replied to Rich Chernosky's topic in Other Racing: Road Racing, Salt Flat Racers
Rich. If any of your COVID symptoms persist, I’m prescribing another Porsche build ... very nice -
The chassis tapers out to the instrument panel bracket location and then runs back to the rear suspension bulkhead - sheets of .250 and .060 by .250 make chassis horns that are 7.5 scale inches wide - which is about what you need - left and right. I can date the age of the evergreen package by the price. The one that’s pictured cost 1.49 - at a local hobby store - probably Orange Blossom Hobbies - back when - 1985 ??
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The paper outline was cut from one of the Clidinst drawings - Road & Track published drawings in 1962 of the Lotus 25 profile but the 29 monocoque was a little wider and deeper. And I’m pretty certain that Clidinst got it right ... I’m doing this first one with Evergreen plastic - and the trusty xacto saw and mitre box
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Well it’s May - so what better month to make the Lotus 29 monocoque. These are scr grabs fr one of the Indy Museum restoration videos.
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It’s too visible to leave off - so I performed some razor saw surgery on the block casting and added the feature with some strips of evergreen strip and bar ... nuts will be glued to each of the 4 posts ...
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The additional row of bolts is seen on this screen grab from one of the Indy Museum Gurney restoration videos ...
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One large difference between the 289 Shelby engine and the Fairlane 255 that I’m making is an additional row of studs and bolts - 4 left and 4 right - on the edge of the engine block - Ford beefed up the block to handle the horsepower needed on a mid sixties Indy engine... this is the engine casting without the needed changes ...
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The features on the front engine cover are complex in scale - I’ve saved somE build time by “borrowing” some parts from the AMT 29 kit and the crank shaft balance wheel from a different Mad Mike engine print - the FORD DOHC Indy engine.
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Began to drill the bolt and engine mount holes - mostly .018 - and filed the profile some more - when I had one part with the correct shape - I then traced that part for a second one - the engine cover was a housing - back and front - that housed the gears and pumps - - which was then bolted together - I’ll scavenge some of the features on th kit part for the front cover.
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The front cover of the Fairlane based engine was very much like the front cover of the DOHC engine that was used by Lotus and Gurney and Foyt et al beginning in ‘64. In fact Ford began to work on the DOHC engine just before the Fairlane based SOHC engine - Late in ‘62. The part on the 29 kit engine has the correct features and shape - but it’s way too small - even taking the scale diff - 24th to 25th - into account. So I traced the outline of the kit part on .030 w a Sharpie onto evergreen sheet and went from there ..
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Thanks for perusing ... while the Webers are napping ... The sump is built up [down?] in layers of Evergreen styrene sheet and strip. - from .040 thick to .015 for the ribs on the side of the pan ... used epoxy, liquid glue, and CA, depending ...
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See big John’s contributions at the top of page 2 of this thread ...
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The middle picture above is some siding that was not used ... used the siding with the wider ridges - shown below - the narrower pattern will come in handy for another engine - not yet begun ... well I guess I just started it ...
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https://www.fiskens.com/cars-for-sale/Lago-Talbot-T26C/13669.htm not exactly your car - but a nice T26 with limited restoration your throttle pedal and clutch pedal may be drilled ... maybe ...
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you're slower than me ! you're my hero ...
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So here’s the base of the sump ...
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To the sump - which is more like the sump on the DOHC than the 289 ... it’s deep - about 7 inches in depth - and it has a ribbed section half way back - the 29 restoration videos posted on the Indy Museum site are critical ... the ribbed section was made with the Tamiya .2mm scribing tool - its very good - and a section of Evergreen rail road siding sheet ...
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The fuel entered from a line above the tray sitting on the carbs - which was unique to this particular Ford Racing engine ... the restored 29 uses smaller carbs with a different fuel line arrangement - so I’ve been peering at the contemporary shots on the Rev’s and the Henry Ford research site to figure this out ...
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Hot Rod published a top and bottom photo because their readers were ... hot rodders! Their coverage of Indy in the sixties was great... so I got some paint on the Webers - A mix of steel and gray - Alcad - I had to modify the Weber castings to make everything fit ... but it really won’t be visible ... The bells on the carbs were polished - I’ll probably use some Molotov - haven’t tried to brush it yet but this should be a good app for that ... mite also use Molitow to paint the valve covers - but the block needs a lot more work ...
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The holes in the manifold are used to trace the openings in the tray that sits on top of the Webers ... next - paint ...
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Gracias. found another good sourcE for contemporary pix of the 29 - this issue of Hot Rod - includes a great picture of the manifold -
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1968 RKE/JRT SCCA Trans Am Javelin
absmiami replied to swede70's topic in WIP: Other Racing: Road Racing, Land Speed Racers
Yup -
Salt Flats Belly Tanker
absmiami replied to AL.'s topic in Other Racing: Road Racing, Salt Flat Racers
This happened to me when I was almost finished with my resin cast Cooper F III. - If the plastic is thick enough - drill some corresponding holes either side and reinforce with brass - even .015 brass will give you solid reinforcement - if the body is too thin - then ... I’m thinking ... casting appears to be about .060 thick - you should be able to do this ... -
Why hasn’t Mad done a Ferrari engine yet ?
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And once the manifold was drilled I scored a sheet of aluminum to Mark openings for the tray that sat on top of the Webers on this engine ... and with some more research I learned that the fuel lines entered the carbs from above and the the fuel fitting on each carb faced forward - the throttle linkage is cool - will mess with that once the carbs are painted and in place ...
